Best Cross-Platform App Frameworks in 2026

Cross-platform frameworks let one team ship phone, desktop or browser apps from shared code.

This guide ranks fourteen of them on setup hours, what paid cloud layers add, how easily a project can leave, vendor independence and fit with the language your developers already write. Most cost nothing to start, so ranking turns on who stands behind the code.

Vendors can pay for more visibility on this website, for example a higher place in a ranking or more room on a page. Commercial relationships can also affect which products we feature and how prominently. Every vendor link is marked the same, whatever the arrangement behind it. How that works.

In short

What cross-platform app frameworks software does

A cross-platform app framework turns one codebase into apps for several operating systems, supplying interface components, device access and build tooling within a single language stack.

01

The top three

14 tools reviewed
02

How we ranked these

5 criteria, in order

To rank cross-platform app frameworks tools we asked, in turn, how much work setup takes, what it truly costs, whether data can be taken back out, whether leaving is possible, and who the product suits. One rule overrides the order: smaller vendors take the first three places when the category offers them, and the best-known brands start at four. We explain on how we work why the tests are these five and why no product receives a score.

14tools reviewed
2publish a price
1have a free tier
2countries represented
03

Compared at a glance

14 tools
#ToolCountryPricingFree tier Right forNot for
#1Quasar FrameworkNot stated by the vendorOpen source under MIT; sponsorship tiers fund the project—Vue teams wanting web, mobile and desktop builds from a single projectTeams whose developers write React, C# or Kotlin instead
#2ExpoNot stated by the vendorPublished tiers from a free plan up to custom enterprise, with usage fees on paid plansYesReact Native teams that want hosted builds and updates without running their own CITeams that do not write JavaScript or React code
#3Uno PlatformCanadaFramework is open source; Uno Platform Studio is a separate paid product with no tiers shown on the home page—C# teams needing Linux and browser targets as well as phonesTeams with no existing C# or XAML skills
#4TauriNot stated by the vendorOpen source, funded through Open Collective and GitHub Sponsors; the page states no cost—Web developers building lightweight desktop tools who can accept RustTeams wanting one language from interface to device code
#5CapacitorNot stated by the vendorOpen source under MIT; the page shows no plans or prices—Web teams putting an existing app into the iOS and Android storesTeams that want fully native widgets in the interface
#6IonicNot stated by the vendorOpen source toolkit; the pricing page shows no plans, prices or limits, only Contact Sales—Teams that want ready-made mobile components on top of an existing web stackBuyers who must price cloud builds before committing
#7NativeScriptNot stated by the vendorThe home page lists no prices or plans for NativeScript—JavaScript teams wanting native views and calls into platform APIsTeams needing desktop output from the same project
#8TitaniumNot stated by the vendorFunded by donations and sponsorship; the page states no price—Mobile-only teams that prefer a non-profit steward and Apache-2.0 codeTeams needing web or desktop targets from the codebase
#9CordovaNot stated by the vendorOpen source under Apache 2.0, held by the Apache Software Foundation; no plans shown—Maintainers of existing web apps that need a basic store wrapperTeams starting a new app who want native widgets
#10Kotlin MultiplatformNot stated by the vendorNo prices or paid plans shown; Kotlin is under the Apache 2 licence—Android teams extending existing Kotlin logic to iOS and desktopTeams without Kotlin experience and no wish to learn it
#11QtNot stated by the vendorQuoted per plan; 12-month term licences with plan prices not shown on the pages read—Teams shipping to embedded devices and desktops from C++ codeWeb developers wanting a JavaScript-first stack without C++ or QML
#12React NativeNot stated by the vendorOpen source with no paid tier on the home page; supported by Meta and contributors—JavaScript teams building Android and iOS apps with native componentsTeams needing official desktop support from the core project
#13FlutterNot stated by the vendorOpen source; the home page names no paid tier—Teams ready to learn Dart for one codebase across five target typesBuyers whose legal review needs a licence stated on the site
#14.NET MAUINot stated by the vendorNo price or paid tier named for MAUI itself; free controls from third parties are listed—Existing .NET shops adding Android, iOS, macOS and Windows clientsTeams without C# who need Linux or web output

Read country as the home of the company, not of the servers. Where hosting points elsewhere, the entry for that product says so.

04

The 14 tools, reviewed

Ranked

1. Quasar Framework · 2. Expo · 3. Uno Platform · 4. Tauri · 5. Capacitor · 6. Ionic · 7. NativeScript · 8. Titanium · 9. Cordova · 10. Kotlin Multiplatform · 11. Qt · 12. React Native · 13. Flutter · 14. .NET MAUI

#1 Quasar Framework

Vue framework that builds web, mobile and desktop apps from one project

Ranked #1 of 14 in Best Cross-Platform App Frameworks in 2026.

Open sourcePricing on requestElsewhere

The components follow WAI-ARIA semantics with keyboard navigation and focus management, which matters when the same interface must pass accessibility review on web and phone. The Quasar CLI runs on Vite, and an MCP server for coding agents ships with the packages.

Sponsors and consulting tiers are invited on the home page, so support is a commercial conversation rather than a price list. Expect to learn Capacitor or Electron details when shipping beyond the browser.

What stands out
  • Vue.js components
  • SPA to Electron build modes
  • MCP server for agents
Where it costs you
  • Vue.js is the only front end offered, so React or C# teams cannot adopt it.
  • Mobile and desktop output goes through Capacitor, Cordova or Electron modes, which adds those tools to the stack.
Right for

Vue teams wanting web, mobile and desktop builds from a single project

Wrong for

Teams whose developers write React, C# or Kotlin instead

Not stated by the vendorOpen source under MIT; sponsorship tiers fund the project

#2 Expo

Official React Native framework with cloud builds, updates and routing

Ranked #2 of 14 in Best Cross-Platform App Frameworks in 2026.

Free tierPublished pricingElsewhere

Expo Router gives file-based routing and deep linking, Hermes is the default engine and the Expo Modules API covers native code. Expo Go and development builds put work on real devices quickly.

The cloud side adds Expo Build, Submit, Update for over-the-air releases, Hosting and Workflows. Paid tiers start at $19 a month plus usage and reach $199 for Production, while a build costs between $1 and $4 depending on platform and size.

What stands out
  • React Native toolchain
  • Over-the-air updates
  • File-based routing
Where it costs you
  • The free plan stops at 15 builds per platform, so frequent releases push you onto paid tiers.
  • The pages read name neither the company behind Expo nor a country.
Right for

React Native teams that want hosted builds and updates without running their own CI

Wrong for

Teams that do not write JavaScript or React code

Not stated by the vendorPublished tiers from a free plan up to custom enterprise, with usage fees on paid plans

#3 Uno Platform

C# and XAML framework reaching Windows, mobile, web and Linux

Ranked #3 of 14 in Best Cross-Platform App Frameworks in 2026.

Open sourcePricing on requestNorth America

Hot Design edits the interface visually while the app is running, Figma import brings designs in and Hot Reload applies code changes live. C# Markup, Toolkit, Themes and Reactive are listed building blocks, and Uno Playground runs XAML and C# in a browser tab.

MCP connections expose the tooling to AI agents. A 25% launch discount on Studio was shown at the time of checking, which confirms Studio is the paid part.

What stands out
  • C# and XAML
  • Hot Design visual editing
  • Apache 2.0 licence
Where it costs you
  • Uno Platform Studio prices are not on the home page, so budgeting needs a second visit to a pricing page.
  • The page names no legal entity, only an address.
Right for

C# teams needing Linux and browser targets as well as phones

Wrong for

Teams with no existing C# or XAML skills

CanadaFramework is open source; Uno Platform Studio is a separate paid product with no tiers shown on the home page

#4 Tauri

Small desktop and mobile apps from a web front end and Rust

Ranked #4 of 14 in Best Cross-Platform App Frameworks in 2026.

Open sourcePricing on requestElsewhere

Any front-end framework works because the interface is ordinary web code. The Tauri Team and contributors maintain it, with CrabNebula shown only as a supporter.

Funding comes from Open Collective and GitHub Sponsors rather than a product, so there is no vendor to buy support from on the page itself. Using the system web renderer keeps downloads small, though it also means the rendering engine differs between operating systems.

What stands out
  • Rust application core
  • 600 KB minimum app size
  • Any web front end
Where it costs you
  • Rust is required for the application core, which web teams must learn or hire for.
  • The page says Swift and Kotlin handle system integration on mobile, so phone work adds more languages.
Right for

Web developers building lightweight desktop tools who can accept Rust

Wrong for

Teams wanting one language from interface to device code

Not stated by the vendorOpen source, funded through Open Collective and GitHub Sponsors; the page states no cost

#5 Capacitor

Native runtime wrapping a web app for iOS, Android and browsers

Ranked #5 of 14 in Best Cross-Platform App Frameworks in 2026.

Open sourcePricing on requestElsewhere

Named plugins include Camera, File System, Geolocation, Accelerometer, Network, Haptics and local and push Notifications, and custom plugins can be written. A compatibility layer accepts existing Cordova plugins, with a migration guide from Cordova.

It works with React, Angular, Svelte, Vue, Stencil, Qwik and Ionic, so the front-end choice stays open. The runtime adds device access to a web app but supplies no component library of its own.

What stands out
  • Web app wrapper
  • Cordova plugin compatibility
  • Camera and push plugins
Where it costs you
  • The sponsor's commercial roadmap is announced in a banner with no details.
  • Electron is not mentioned, so desktop apps are not addressed on the page.
Right for

Web teams putting an existing app into the iOS and Android stores

Wrong for

Teams that want fully native widgets in the interface

Not stated by the vendorOpen source under MIT; the page shows no plans or prices

#6 Ionic

Open source mobile UI toolkit usable with React, Vue, Angular or none

Ranked #6 of 14 in Best Cross-Platform App Frameworks in 2026.

Open sourcePricing on requestElsewhere

The toolkit works with React, Vue, Angular or on its own, and ships an Ionic CLI, a VS Code extension, On-Device Hot Refresh and light and dark modes. The footer calls it a project by Ionic.

Whether signing up is free is not stated, since the Get started button leads to signup without terms. The commercial pieces sit around the toolkit, not inside it.

What stands out
  • 100+ UI components
  • Capacitor device access
  • Appflow cloud builds
Where it costs you
  • The pricing page shows only Contact Sales, so Appflow cost cannot be estimated beforehand.
  • The legal entity and headquarters are not stated on the pages read.
Right for

Teams that want ready-made mobile components on top of an existing web stack

Wrong for

Buyers who must price cloud builds before committing

Not stated by the vendorOpen source toolkit; the pricing page shows no plans, prices or limits, only Contact Sales

#7 NativeScript

TypeScript framework drawing real platform UI with direct native API access

Ranked #7 of 14 in Best Cross-Platform App Frameworks in 2026.

Pricing on requestElsewhere

It runs standalone or with Angular, React, Solid, Svelte or Vue, so an established front end can stay. The NativeScript CLI and the @nativescript/types package are named, and the latest release shown pairs V8 14.9 with Vite 8 hot module replacement.

No plan, price or trial is listed for the framework, so cost questions concern only the separate cloud build service.

What stands out
  • Native platform UI
  • Angular, React, Solid, Svelte, Vue
  • In production since 2014
Where it costs you
  • Legal review has to open the repository, because the page gives no licence.
  • Examples cover iOS and Android, with visionOS appearing only through the separate Norrix cloud build service.
Right for

JavaScript teams wanting native views and calls into platform APIs

Wrong for

Teams needing desktop output from the same project

Not stated by the vendorThe home page lists no prices or plans for NativeScript

#8 Titanium

JavaScript framework for native iOS and Android apps, governed by a non-profit

Ranked #8 of 14 in Best Cross-Platform App Frameworks in 2026.

Pricing on requestElsewhere

Native UI components map onto platform widgets, TypeScript type definitions are provided and Alloy adds an MVC structure with XML views and .tss style files.

The CLI installs through npm with commands such as ti create and ti build. The page shows SDK 13.4.1 and CLI 9.2.0, and does not say the product was renamed or discontinued, which settles one common worry about older frameworks.

What stands out
  • Alloy MVC framework
  • TiDev non-profit governance
  • Apache-2.0 licence
Where it costs you
  • Only iOS and Android are named, so web or desktop output is not covered.
  • The CLI needs Node.js 22.19.0 or newer, which constrains build machines.
Right for

Mobile-only teams that prefer a non-profit steward and Apache-2.0 code

Wrong for

Teams needing web or desktop targets from the codebase

Not stated by the vendorFunded by donations and sponsorship; the page states no price

#9 Cordova

Apache project packaging web apps inside native mobile shells

Ranked #9 of 14 in Best Cross-Platform App Frameworks in 2026.

Open sourcePricing on requestElsewhere

Offline support, access to native device APIs and a unified JavaScript API are the named features. The command-line tool runs on Node.js and installs from npm, which keeps setup short for web developers.

Because a foundation rather than a company owns it, no vendor sells plans or a cloud service on the page. Capacitor lists a migration guide from Cordova, a sign of where some projects move.

What stands out
  • HTML, CSS and JavaScript
  • Apache Software Foundation
  • npm-installed CLI
Where it costs you
  • Platforms appear as logos without names, so supported targets cannot be read from the page.
  • The page names no specific plugins, only a link to a plugin guide.
Right for

Maintainers of existing web apps that need a basic store wrapper

Wrong for

Teams starting a new app who want native widgets

Not stated by the vendorOpen source under Apache 2.0, held by the Apache Software Foundation; no plans shown

#10 Kotlin Multiplatform

Share Kotlin code across Android, iOS, web, desktop and server

Ranked #10 of 14 in Best Cross-Platform App Frameworks in 2026.

Pricing on requestElsewhere

Targets listed are Android, iOS, web, desktop on Windows, macOS and Linux, and server. Room, DataStore and ViewModel libraries can be used, and the IntelliJ IDEA and Android Studio plugin supports debugging across Kotlin and Swift.

The sharing choice is the real decision here: native UI with shared logic keeps platform feel, while full Compose sharing gives the most reuse.

What stands out
  • Kotlin code sharing
  • Compose Multiplatform UI
  • Android Studio plugin
Where it costs you
  • Compose Multiplatform for the browser is still labelled Beta, so web delivery carries more risk.
  • The page names no country for JetBrains.
Right for

Android teams extending existing Kotlin logic to iOS and desktop

Wrong for

Teams without Kotlin experience and no wish to learn it

Not stated by the vendorNo prices or paid plans shown; Kotlin is under the Apache 2 licence

#11 Qt

C++ and QML toolkit spanning desktop, embedded and microcontroller targets

Ranked #11 of 14 in Best Cross-Platform App Frameworks in 2026.

Pricing on requestElsewhere

The named products are Qt Framework, Qt for MCUs, Qt Creator IDE, Qt Design Studio, Squish GUI test automation and Axivion static analysis, so testing and analysis sit in the same catalogue.

The page links licence and open source pages covering LGPL obligations without stating licence types in its text. An Educational License is mentioned, but no free trial or free plan terms were found.

What stands out
  • C++ and QML
  • Qt for MCUs
  • Qt Creator IDE
Where it costs you
  • Plan prices are not shown, so cost depends on contacting the vendor.
  • Small Business licences are capped at three per company, which limits growing teams.
Right for

Teams shipping to embedded devices and desktops from C++ code

Wrong for

Web developers wanting a JavaScript-first stack without C++ or QML

Not stated by the vendorQuoted per plan; 12-month term licences with plan prices not shown on the pages read

#12 React Native

JavaScript library rendering native iOS and Android interfaces from React

Ranked #12 of 14 in Best Cross-Platform App Frameworks in 2026.

Open sourcePricing on requestElsewhere

Core components such as View, Text, Image and ScrollView map to native UI building blocks, and the page points to over 50 modules and the use of any library or native code. The source sits in a public GitHub repository.

The copyright line reads Meta Platforms, Inc. without a country. A framework steered by one large owner can change direction, which is worth weighing against its large contributor list.

What stands out
  • React components
  • Native UI rendering
  • Community Windows and macOS
Where it costs you
  • Routing is not prescribed, so a team must adopt Expo or another choice for navigation.
  • Windows, macOS and web support are community projects, not part of the core.
Right for

JavaScript teams building Android and iOS apps with native components

Wrong for

Teams needing official desktop support from the core project

Not stated by the vendorOpen source with no paid tier on the home page; supported by Meta and contributors

#13 Flutter

Dart framework for natively compiled apps on mobile, web and desktop

Ranked #13 of 14 in Best Cross-Platform App Frameworks in 2026.

Open sourcePricing on requestElsewhere

The home page names Firebase, Google Ads, Google Play, Google Pay, Google Wallet and Google Maps as integrations, which suits apps already tied to Google services.

Code samples carry the 3-Clause BSD License and site content CC BY 4.0. No trial or plan exists to compare because there is no paid tier, so the cost lies in developer time and the language switch.

What stands out
  • Dart language
  • One codebase, five targets
  • Firebase integration
Where it costs you
  • Dart is required, so a JavaScript or C# team must learn a new language.
  • No licence is named for the framework itself on the home page.
Right for

Teams ready to learn Dart for one codebase across five target types

Wrong for

Buyers whose legal review needs a licence stated on the site

Not stated by the vendorOpen source; the home page names no paid tier

#14 .NET MAUI

C# framework for Android, iOS, macOS and Windows apps

Ranked #14 of 14 in Best Cross-Platform App Frameworks in 2026.

Published pricingElsewhere

The page says MAUI is integrated with Visual Studio. Community Toolkit Essentials and Syncfusion Toolkit for .NET MAUI are named as free controls, while the other control vendors are listed without price details.

Blazor appears only inside the eShop sample app. A buyer should expect the main design tool to be a Microsoft product, and no country is stated on the page.

What stands out
  • C# codebase
  • Visual Studio integration
  • Control vendors
Where it costs you
  • Linux is not among the listed targets, so Linux desktop apps need another framework.
  • No licence is named on the page read.
Right for

Existing .NET shops adding Android, iOS, macOS and Windows clients

Wrong for

Teams without C# who need Linux or web output

Not stated by the vendorNo price or paid tier named for MAUI itself; free controls from third parties are listed
06

How to choose cross-platform app frameworks software

A cross-platform app framework turns one codebase into apps for several operating systems, supplying interface components, device access and build tooling within a single language stack. What separates these products is rarely a feature. Work through the steps below.

  1. 01

    Work out how much a sales call is worth to you

    The split is 2 published against 12 quoted. If you want to compare numbers first, start with Expo, .NET MAUI.

  2. 02

    Weigh the vendor's home jurisdiction

    Where a company is established decides which courts and regulators can reach it. Here that means 2 countries: Elsewhere 13, North America 1.

  3. 03

    Decide if open source matters

    8 of these are open source: Quasar Framework, Uno Platform, Tauri, Capacitor, Ionic, Cordova, React Native, Flutter. Hosting one yourself trades a subscription for maintenance.

Wrapping a web app or drawing native widgets: Cordova, Capacitor and React Native

The first split in this market is what appears on screen. Cordova puts a web app inside a native shell, and Capacitor does the same with a plugin set for Camera, Geolocation and push notifications, so the interface stays web content. React Native renders native components such as View and Text from JavaScript, and Titanium and NativeScript also draw platform widgets.

The wrapper route is quicker for a team that already owns a web app, but long lists and animations are where a container is most likely to feel different from a phone app. Build the one screen your users touch most in two candidates and compare it on a mid-range handset before choosing a route for the whole product.

  • Name the heaviest screen in your app and prototype it in two frameworks
  • Test the prototypes on a mid-range phone, not a developer device
  • Check whether the framework draws native widgets or web content

Reading the price of Expo, Ionic and Uno Platform Studio

Most frameworks here cost nothing, so the budget goes on the cloud layer around them. Expo publishes tiers, with a free plan capped per store and per-build charges beyond that. Ionic lists Appflow for cloud builds and store deployment but shows only Contact Sales on its pricing page, and Uno Platform Studio appears as a separate paid product without tiers on the home page.

Qt works differently again, with term licences and prices not shown. Estimate your real build count per month, add the number of release channels you will run, and ask for a written figure before any prototype becomes the product. A cheap plan with tight build limits can cost more than a dearer plan with generous ones.

  • Count monthly builds across both stores, including failed ones
  • Ask for written prices where the site shows only a contact link
  • Check whether paid tiers add usage fees on top of the monthly fee

Matching the framework to the language: Kotlin Multiplatform, .NET MAUI and Flutter

Language is the cost that no pricing page shows. Kotlin Multiplatform suits Android teams, with Compose Multiplatform able to share the whole interface, while a browser target is still pre-release. .NET MAUI fits C# shops, covering Android, iOS, macOS and Windows but not Linux on its page. Flutter needs Dart, which most teams must learn from scratch.

Tauri adds Rust for application logic, and Qt asks for C++ or QML. Count the hiring pool for the language as well as the learning time, because a framework that nobody on the team can debug becomes a risk after the first release. Agree one language before comparing features, and write down who will own the native bridge code when a device feature needs it.

  • List which languages your current developers already write
  • Estimate weeks to productivity for each shortlisted language
  • Check whether native Swift or Kotlin is still needed for device features

Who stands behind Titanium, NativeScript and Cordova

Ownership statements are uneven on these sites, and they matter for projects meant to live five years. Titanium says a non-profit, TiDev, governs it and that it is fifteen years old. NativeScript names the OpenJS Foundation in its copyright line but gives no licence on the page. Cordova belongs to the Apache Software Foundation under Apache 2.0.

Capacitor leans on a sponsor whose commercial plans are only hinted at. A project with a foundation behind it is less exposed to one sponsor changing course, but foundation projects can move slowly. Read the licence text in the repository, then look at recent releases and open issues before you commit, and keep a note of who can approve changes if the maintainers go quiet.

  • Open the licence text in the source repository, not only the site footer
  • Check the date of the latest release and the open issue count
  • Note whether one sponsor or a foundation owns the trademark

What goes wrong most often when buying cross-platform app frameworks software

  • Choosing a framework for its demo screens instead of prototyping the slowest screen in your own product.
  • Assuming a free framework means a free project, then meeting build, update and support fees from Expo or Appflow after launch.
  • Picking Flutter, Tauri or Qt without counting the weeks needed to learn Dart, Rust or C++ and QML.
  • Trusting a website footer for a licence when NativeScript, React Native and .NET MAUI name none on the pages read.
07

Frequently asked questions

7 answers
What is the best cross-platform app frameworks in 2026?

First of 14 on this page is Quasar Framework. Quasar carries the copyright of PULSARDEV SRL and Razvan Stoenescu, which puts one named company behind the code.

It ships more than 120 Vue.js components and build modes for SPA, SSR, PWA, mobile and desktop. The price of that focus is Vue only: a team writing React or C# cannot use it. The site shows no prices and names no country.

Which cross-platform app frameworks tools publish their pricing?

2 of the 14, with the pricing model each one publishes:

  • Expo: Published tiers from a free plan up to custom enterprise, with usage fees on paid plans.
  • .NET MAUI: No price or paid tier named for MAUI itself; free controls from third parties are listed.

The remaining 12 sell by quote.

Is there a free cross-platform app frameworks tool?

Expo can be used for free, either as a free plan or a self-hosted edition.

Where are these cross-platform app frameworks vendors established?

Vendor countries on this page, Elsewhere 13, North America 1:

  • Quasar Framework: Not stated by the vendor.
  • Expo: Not stated by the vendor.
  • Uno Platform: Canada.
  • Tauri: Not stated by the vendor.
  • Capacitor: Not stated by the vendor.
  • Ionic: Not stated by the vendor.
  • NativeScript: Not stated by the vendor.
  • Titanium: Not stated by the vendor.
  • Cordova: Not stated by the vendor.
  • Kotlin Multiplatform: Not stated by the vendor.
  • Qt: Not stated by the vendor.
  • React Native: Not stated by the vendor.
  • Flutter: Not stated by the vendor.
  • .NET MAUI: Not stated by the vendor.
Which cross-platform app frameworks tools are open source?

Quasar Framework, Uno Platform, Tauri, Capacitor, Ionic, Cordova, React Native, Flutter.

What should you use instead of Quasar Framework?

Look at Expo (made for React Native teams that want hosted builds and updates without running their own CI) and Uno Platform (made for C# teams needing Linux and browser targets as well as phones), which hold places two and three.

Who should not buy Quasar Framework?

Teams whose developers write React, C# or Kotlin instead. Vue.js is the only front end offered, so React or C# teams cannot adopt it..

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Tools reviewed

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This list covers 14 cross-platform app frameworks products. A product we left out can be put to us by its maker, with a short note on its purpose and its customers; we decide on inclusion ourselves. The rules are under software advice.

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