Teams look beyond Customer.io when the entry plan stops fitting: email volume, profile counts or the jump to yearly Premium billing start to drive the decision. Others want a push-first tool, an app-focused platform with an EU data centre, or a vendor outside the United States. Alternatives below run from a free plan to quoted enterprise suites.
Short answer: Ranking order favours the challenger over the household name, so the best-known vendors begin at place 4 where the category allows it. For Customer.io users, the top three picks from our customer engagement platform ranking are Pushwoosh, Batch and OneSignal. Pick Pushwoosh if you would rather pay per active user than per profile and email volume. Every one of the 11 products below comes from Best Customer Engagement Platforms in 2026, with a note on how it departs from Customer.io.
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.
Built for: Product and growth teams sending data-triggered email, push and in-app messages
Not for: Teams wanting a free plan or a flat entry price above Essentials
01
Why buyers look past Customer.io
01
The step from Essentials to Premium is steep
Essentials starts at $100 a month for 5,000 profiles and 1 million emails. Premium starts at $1,000 a month, billed yearly, and is the first plan with chat support, managed deliverability and warehouse destinations. A team that outgrows Essentials on email or compliance needs meets a tenfold floor and an annual commitment.
02
Overage is metered twice
Beyond the bundle, additional profiles cost $0.009 each on Essentials and additional emails $0.12 per 1,000. Profiles count people and objects alike, so a catalogue of custom objects can lift the bill before the audience grows. Essentials also limits you to 2 object types and 2 workspaces.
03
Several controls wait for higher plans
Custom role-based permissions, data replay and the data warehouse destinations are listed on Premium and above, and audit logging is available only by consultation on Enterprise. SMS volume is custom priced on every plan. Teams with strict governance or heavy SMS plans compare vendors early.
you run a high-traffic shop and budget a yearly platform contract
#12
03
What each one does differently
1
Pushwoosh
Not stated by the vendor · Published
Pushwoosh charges one number, monthly active users, and says every feature sits on every plan. It sells omnichannel, push-only and email-only variants, with usage up to 1,000 users free and data centres in the US and Germany. Carrier and Meta fees for WhatsApp and SMS are added on top of the platform price.
Switch from Customer.io if you would rather pay per active user than per profile and email volume.
Batch is run by IMEDIAPP SA in Paris and has existed since 2015. It sends SMS, email, in-app messages and mobile or web push, and reads straight from Snowflake and BigQuery. No price or trial is shown on the site, so you learn the cost in a demo, aimed at CRM teams in retail, media and finance.
Switch from Customer.io if you want a French vendor and your customer data already sits in a warehouse.
OneSignal publishes a free plan that covers every channel and a Growth plan from a low monthly rate. Mobile push counts per monthly active user and web push per subscriber. Journeys cap at 3 on Free and 5 on Growth, and reporting history reaches back 30 and 90 days, so experiments and longer analysis wait for a quoted tier.
Switch from Customer.io if you want to start for nothing and push is the main channel.
WebEngage, run by Webklipper Technologies in Mumbai, packages data platform, analytics, segmentation, campaigns, automation and personalisation around one customer record, with fifteen channels in one composer. Its pricing address returned an error when we looked, and the route in is a demo request, so cost and exit terms come from sales.
Switch from Customer.io if you want fifteen channels and a single customer record from a Mumbai vendor.
MoEngage began in 2014 and meters Growth and Enterprise plans by monthly tracked users, each unique user engaged or monitored in a month. The plans page lists features per plan without prices. Separate data centres serve the EU, North America and India, which matters where residence rules apply to app user data.
Switch from Customer.io if your product is an app and an EU data centre is a requirement.
CleverTap shows a Core price scaled by monthly active users, with billing starting after a 30-day trial. WhatsApp Direct, geofencing and exports to cloud storage and warehouses are listed as add-ons. Pro and Ultimate are by demo, and ten-year data retention is Ultimate only, against three years below it.
Switch from Customer.io if you want a published entry price and a trial before talking to sales.
Klaviyo describes itself as a B2C CRM across email, SMS, mobile app and WhatsApp for retail and ecommerce. The free plan stops at 250 active profiles and 500 emails a month, with 60 days of email support, and sending pauses until you upgrade. Paid plans come out of a plan builder.
Switch from Customer.io if your messaging is shop-driven email and SMS rather than product events.
Iterable, Inc. of San Francisco sells one product for campaigns, journeys, audiences and catalog data across channels. Its pricing address forwards to the homepage and a demo button, and we found no self-service signup. Expect a sales conversation before you see what the first months cost.
Switch from Customer.io if you need catalog-driven messaging and accept a sales-led purchase.
Airship Group sells an Experience Platform by quote and an Essentials tier described as self-service and no-code, with no price shown for either. Channels include push, SMS, RCS, MMS, email and mobile wallet. A results guarantee is advertised, but the page does not state its terms.
Switch from Customer.io if wallet passes and RCS are part of your messaging plan.
Braze, Inc. of New York sells Go, Select, Pro and Enterprise editions, all metered by monthly active users and priced through sales. Cloud data ingestion, SSO and the full channel set come in every edition. Predictive AI starts at Pro and agent tooling at Enterprise, which sets the edition you need.
Switch from Customer.io if your volume is large and cross-channel orchestration outweighs price clarity.
Bloomreach states an entry point of $60K a year for smaller brands and says most also have 500K or more monthly visitors. It names low-volume programmes and no-cost buyers as poor fits. Its site now sells Email and Marketing Automation as Loomi apps, so confirm what a quote covers.
Switch from Customer.io if you run a high-traffic shop and budget a yearly platform contract.
OneSignal: A free plan covers every channel, though Free allows 3 active journeys and 30 days of reporting history.
02
You want a French vendor with warehouse links
Batch: IMEDIAPP SA in Paris reads data directly from Snowflake and BigQuery; pricing comes through a demo.
03
Your app users must stay in an EU data centre
MoEngage: It runs separate EU, North America and India data centres, with plans priced by quote.
04
You want a published price and a trial first
CleverTap: The Core plan has a published entry price by monthly active users and a 30-day trial.
05
Your shop sends mostly email and SMS
Klaviyo: It positions itself as a B2C CRM for retail, with a free plan up to 250 active profiles.
04
When Customer.io is still the right choice
Customer.io is a sound choice when messaging is driven by product events and you want a visual workflow builder, unlimited push and in-app messages, unlimited seats and API calls, and a US or EU data centre without a sales call. Early-stage companies that raised under $10M can get 12 months free through its Startup Program. If email volume stays under the 1 million bundle, the Essentials price is hard to beat.
05
What moving off Customer.io involves
01
Journeys have to be rebuilt by hand
Workflows, segments and templates do not export into another vendor's format. Map each live journey, its triggers and exit conditions, then rebuild and run old and new in parallel for a send cycle before switching the trigger over.
02
Mind the data model and the sending domain
Customer.io profiles include custom objects, which other tools model differently or not at all. Check that your event names and attributes survive. Email reputation is tied to your sending domain, so warm up gradually instead of moving everything in a day.
06
Questions about replacing Customer.io
6 answers
What does Customer.io cost?
Essentials starts at $100 a month and Premium at $1,000 a month billed yearly. Enterprise is quoted. Extra profiles and emails are charged above the bundle.
Is there a free Customer.io plan?
The pricing page offers 12 months free to early-stage companies that raised under $10M through its Startup Program. Otherwise Essentials is the entry point.
Which alternative has a free plan?
OneSignal publishes a free plan, Klaviyo has one for up to 250 profiles, and Pushwoosh is free up to 1,000 users. Limits differ, so compare journeys, history and channels before moving.
Can I keep my data in the EU?
Customer.io lists US and EU data centres on all plans. MoEngage names EU, North America and India centres, and Pushwoosh lists US and Germany.
Which alternatives publish a price?
Pushwoosh, OneSignal, CleverTap Core and Klaviyo publish pricing in some form. Batch, Iterable, WebEngage, MoEngage, Airship and Braze route you to a demo or a quote.
Does Customer.io support push and WhatsApp?
Yes, the pricing page lists unlimited push and in-app messages, native WhatsApp and LINE on all plans, and mobile SDKs and web push as included.
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Sources
Checked 3 November 2026
Customer.io pricing: Essentials $100 per month, Premium $1,000 per month billed yearly, profile, email and object limits, overage rates, channels, startup programme, US and EU data centres, plan feature gaps.
Pushwoosh pricing: Per monthly active user pricing, free up to 1,000 users, US and Germany data centres.
Founder of The Knowledge Engineers and of 2 Steps Ahead, an AI search visibility agency. Editorially responsible for every page on this site; research and drafting are AI-assisted.
Checked and edited by Sebastiaan Smits, last on 3 November 2026. The editorial process explains the method.
