Expo vs. Flutter: which toolchain should your mobile app use?
The short answer
- Pick Expo if your developer works in JavaScript or TypeScript, and you want hosted cloud builds plus small fixes over the air between store releases.
- Pick Flutter if your developer is strong in Dart, and you want one open-source codebase for mobile, web and desktop.
This page is about the tools around the code: building, publishing and updating your app. For the language and framework angle, read React Native vs. Flutter.
Side by side
| Topic | Expo | Flutter |
|---|---|---|
| What it is | A React Native framework | An open-source framework supported by Google |
| Language | JavaScript / TypeScript | Dart |
| Targets | Android, iOS and web | Mobile, web, desktop and embedded |
| Hosted cloud builds | EAS Build for Android and iOS | Not part of Flutter itself |
| Updates without a store release | EAS Update for JavaScript, styling and images | Not part of Flutter itself |
| Price | Free plan; Starter $19/month, Production $199/month, plus usage | Open source (BSD 3-Clause) |
What each one is good for
Expo
- React Native apps without most of the native build setup
- Cloud builds for Android and iOS through EAS Build
- Store submission through EAS Submit
- Small fixes over the air with EAS Update, between store releases
Flutter
- One codebase for mobile, web, desktop and embedded devices
- Natively compiled apps
- An open-source toolchain with no paid tier
- Teams who already work in Dart
Limits to know
Expo: The hosted EAS services cost money once you build often or send updates to many users. Over-the-air updates cover JavaScript, styling and images; changes to native code still need a new store release.
Flutter: Flutter doesn't host builds or over-the-air updates itself, so your developer sets up and maintains that part. Dart developers are a smaller pool than JavaScript developers.
Cost model
Expo: Free plan at $0/month: up to 15 Android and 15 iOS builds and 1,000 monthly active users for EAS Update; EAS Submit is on every plan. Starter is $19/month plus usage, with $45 of build credit and 3,000 update users. Production is $199/month plus usage, with $225 of build credit and 50,000 update users. Enterprise is custom. Above the included amounts, pricing is usage-based.
Flutter: No pricing page: Flutter is open source under the BSD 3-Clause licence. Costs come from what's around it, such as your backend, your build pipeline and store accounts.
Facts from the official pages, checked on 30 October 2026. Prices change, so check the source before you decide.
What this means if you have it built
For a founder who hires, the deciding factor is the developer, not the toolchain. Expo's paid plans start to matter once you build often or send updates to many users, and many apps can start on the free plan.
This site recommends React Native with Expo by default, because of the larger JavaScript ecosystem and strong support in AI-assisted tools. Whichever you pick, the Expo account, the store accounts and the code repository should be in your company's name.
Frequently asked questions
Is Expo the same as React Native?
Expo is a framework built on React Native. Your app is still a React Native app; Expo adds tooling, and its optional EAS services handle builds, store submission and updates.
Do I have to pay for Expo?
No, there is a free plan. Paid plans start at $19 per month plus usage, and matter mostly when you build often or send over-the-air updates to many users.
What are over-the-air updates?
With EAS Update, an app can update its JavaScript, styling and images between app store submissions. Changes to native code still need a new store release.
Can a Flutter app also run on the web?
Yes. Flutter lists mobile, web, desktop and embedded devices as targets from a single codebase.
Related
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