A Base44 alternative for mobile apps.

A Base44 alternative for mobile apps.

A Base44 alternative for mobile apps.

Build visually with AI, launch on iOS and Android, and get the tools you need to monetize and grow.

Build visually with AI, launch on iOS and Android, and get the tools you need to monetize and grow.

Build visually with AI, launch on iOS and Android, and get the tools you need to monetize and grow.

Get started for free

Explore templates

Rey or Base44, which should you choose?

Rey or Base44, which should you choose?

Rey or Base44, which should you choose?

Choose Rey when you’re building a consumer mobile app with paid content or subscriptions. Edit its screens and behavior visually, connect RevenueCat paywalls, and submit to the App Store and Google Play from Rey.

Choose Rey when you’re building a consumer mobile app with paid content or subscriptions. Edit its screens and behavior visually, connect RevenueCat paywalls, and submit to the App Store and Google Play from Rey.

Choose Rey when you’re building a consumer mobile app with paid content or subscriptions. Edit its screens and behavior visually, connect RevenueCat paywalls, and submit to the App Store and Google Play from Rey.

Base44 combines AI app building with managed data, authentication, and visual design tools. It can generate submission files for both app stores, but Apple In-App Purchase and Google Play Billing are not supported yet.

Base44 combines AI app building with managed data, authentication, and visual design tools. It can generate submission files for both app stores, but Apple In-App Purchase and Google Play Billing are not supported yet.

Base44 combines AI app building with managed data, authentication, and visual design tools. It can generate submission files for both app stores, but Apple In-App Purchase and Google Play Billing are not supported yet.

Compare the experience.

Compare the experience.

Compare the experience.

The differences that matter when your goal is a consumer app on the App Store and Google Play.

The differences that matter when your goal is a consumer app on the App Store and Google Play.

The differences that matter when your goal is a consumer app on the App Store and Google Play.

CompareReyBase44
Primary focusConsumer mobile apps.Full-stack apps, websites, and AI agents.
EditingAI + fully editable canvas.AI chat, global themes, and per-element visual edits.
App behaviorVisual navigation, actions, and conditions.AI-generated functionality and workflows.
Data and accountsBuilt-in database and authentication.Managed database, authentication, and hosting.
App StoreSubmit directly from Rey using your Apple developer account.Generate an IPA file, then upload it to App Store Connect.
Google PlaySubmit directly from Rey using your Google developer account.Generate an AAB file, then upload it to Google Play Console.
SubscriptionsRevenueCat subscriptions and paywalls.Web payments supported. Apple In-App Purchase and Google Play Billing not yet supported.

Why build your mobile app with Rey?

Why build your mobile app with Rey?

Why build your mobile app with Rey?

Build fast. Stay in control.

Build fast. Stay in control.

Generate your app with AI, then edit screens, navigation, actions, and conditions in the visual editor.

Generate your app with AI, then edit screens, navigation, actions, and conditions in the visual editor.

Generate your app with AI, then edit screens, navigation, actions, and conditions in the visual editor.

Launch on the App Store and Google Play.

Launch on the App Store and Google Play.

Connect your Apple and Google developer accounts, then submit your app to the App Store and Google Play directly from Rey.

Connect your Apple and Google developer accounts, then submit your app to the App Store and Google Play directly from Rey.

Connect your Apple and Google developer accounts, then submit your app to the App Store and Google Play directly from Rey.

Turn your app into a subscription business.

Turn your app into a subscription business.

Connect RevenueCat subscriptions and paywalls for your premium content. Use OneSignal messaging, AppsFlyer attribution, and basic analytics to support your app’s growth.

Connect RevenueCat subscriptions and paywalls for your premium content. Use OneSignal messaging, AppsFlyer attribution, and basic analytics to support your app’s growth.

Connect RevenueCat subscriptions and paywalls for your premium content. Use OneSignal messaging, AppsFlyer attribution, and basic analytics to support your app’s growth.

When Base44 is a good fit.

When Base44 is a good fit.

When Base44 is a good fit.

Choose Base44 when you want a flexible AI builder for web apps, websites, or business tools, with managed hosting and backend services. It also supports mobile store-file generation and push notifications.

Check the Base44’s mobile app documentation and Base44 pricing for current details. For Rey’s setup steps, see the Rey start guide.

Start with a template

Start with a template

Choose a customisable designer template, or build from scratch with AI.

Start your mobile app with Rey.

Start your mobile app with Rey.

Start your mobile app with Rey.

01

Start from a template or describe your idea.

Start from a template or describe your idea.

Choose a starting point, or tell Rey’s AI what you want to build.

Choose a starting point, or tell Rey’s AI what you want to build.

Choose a starting point, or tell Rey’s AI what you want to build.

02

Customize your screens, content, and behavior.

Customize your screens, content, and behavior.

Make it yours in the visual editor and connect your data.

Make it yours in the visual editor and connect your data.

Make it yours in the visual editor and connect your data.

03

Preview, monetize, and publish.

Preview, monetize, and publish.

Try your app on your phone, set up your premium offering, and submit to the app stores.

Try your app on your phone, set up your premium offering, and submit to the app stores.

Try your app on your phone, set up your premium offering, and submit to the app stores.

Rey vs Base44 FAQs.

Rey vs Base44 FAQs.

Rey vs Base44 FAQs.

01

Is Rey a Base44 alternative for mobile apps?

01

Is Rey a Base44 alternative for mobile apps?

02

Can Base44 publish apps to the App Store and Google Play?

02

Can Base44 publish apps to the App Store and Google Play?

03

Can I customize what Rey’s AI generates?

03

Can I customize what Rey’s AI generates?

04

How do in-app subscriptions compare?

04

How do in-app subscriptions compare?

05

Can I start building for free?

05

Can I start building for free?

BUILT WITH REY

What our users say

What our users say

As a solo founder building EDGE, an emotionally intelligent AI app, I needed more than drag-and-drop features. With Rey, I’ve been able to shape a deeply personalized and privacy-first user experience without a dev team.

Rachael

Founder, Edge

App Store

Google Play

As a solo founder building EDGE, an emotionally intelligent AI app, I needed more than drag-and-drop features. With Rey, I’ve been able to shape a deeply personalized and privacy-first user experience without a dev team.

Rachael

Founder, Edge

App Store

Google Play

Building with Rey has been an absolute game-changer. We created a polished, fast and truly-production ready app without writing a single line of code.

Tobias

Founder, Recharge

App Store

Google Play

Building with Rey has been an absolute game-changer. We created a polished, fast and truly-production ready app without writing a single line of code.

Tobias

Founder, Recharge

App Store

Google Play

I’m genuinely excited about what a tool like Rey could mean for the future of femtech, and for every so-called “niche” space that’s been underserved for too long.

Sandra

Founder, Lume

App Store

Google Play

I’m genuinely excited about what a tool like Rey could mean for the future of femtech, and for every so-called “niche” space that’s been underserved for too long.

Sandra

Founder, Lume

App Store

Google Play

Build beyond your first version.

Build beyond your first version.

Build beyond your first version.

Turn your idea into a mobile app you can launch, run, and grow with Rey.

Turn your idea into a mobile app you can launch, run, and grow with Rey.

Turn your idea into a mobile app you can launch, run, and grow with Rey.

Get started for free