GenVibe is an AI mobile app builder that turns a plain-English prompt, a Figma design, or a screenshot into a real cross-platform iOS and Android app you can preview live on your own phone.
Most AI app builders stop at the browser. Lovable, Bolt.new, and v0 are web-only tools — great for landing pages and dashboards, but they cannot produce an actual mobile app you install on a phone. GenVibe is built around a different wedge: it scaffolds and runs a genuine React Native and Expo project, so the thing it generates is a native mobile app, not a website squeezed into a phone frame.
You describe the app, GenVibe's AI agent plans it, writes the code, and boots it live in a cloud sandbox. You then scan a QR code to run it on your real device through Expo Go, and keep shaping it by chatting or clicking elements in the preview. And because the same project can target the web too, you can build web + mobile from a single prompt — no second tool, no rewrite.
What is an AI mobile app builder?
An AI mobile app builder is a tool that generates a working mobile application from natural-language instructions instead of hand-written code. You describe what you want — the screens, the data, the look — and an AI agent produces the app, runs it, and lets you refine it in conversation.
The important distinction is what "mobile" actually means. A large share of tools marketed as app builders only output web apps that happen to be responsive on a phone. A true AI mobile app builder produces a native project — in GenVibe's case a React Native and Expo app — that behaves like a real iOS or Android app, with native navigation, gestures, and access to device features like the camera, location, and push notifications.
GenVibe sits in that second category, and it goes one step further than most: for Android it queues a real signed build (APK and AAB) on Expo's build service from inside the workbench, running on your own Expo account. What it deliberately does not do is the store paperwork — uploading to Google Play or the App Store stays your step, with your own developer accounts.
How GenVibe builds iOS + Android from one prompt
You start with a single prompt describing the app. GenVibe's AI agent plans the build in a few grouped steps, then writes the React Native / Expo code and runs it live in a cloud sandbox — all from your browser, on any device including a phone.
Because React Native compiles to both platforms from one codebase, the app you describe targets iOS and Android at the same time. You are not building twice. When you want to change something, you either chat a follow-up ("add a profile tab," "make the header dark") or click the element directly in the live preview and describe the change.
- Describe it in plain English, paste a Figma file URL, or upload a screenshot of a UI — any of the three can seed the app
- One codebase targets both iOS and Android, so a single prompt produces a cross-platform app
- Edit by chatting or by clicking elements in the running preview — no local setup required
- Connect a Supabase database and authentication in one click when your app needs a backend
Preview your mobile app on a real phone with Expo Go
Seeing an app in a browser mockup is not the same as feeling it in your hand. GenVibe runs your project on a live Expo dev server, so to test it on a real device you install the free Expo Go app and scan the QR code GenVibe shows you.
Your phone then loads the actual app — real touch targets, real scrolling, real native components. Every change you make in the chat updates the running app, so you can iterate with the phone in one hand and the prompt in the other. This is the fastest honest way to know whether your idea feels right on mobile before you invest in a store release.
The honest story on shipping to the App Store and Google Play
It matters to be precise here, because a lot of tools overpromise. For Android, GenVibe does produce a real artifact: press Build in the workbench, connect your own Expo account once with a personal access token, and it queues a signed APK (for sideloading and testing) and AAB (for Google Play) on Expo Application Services. Progress streams into the app and you download the file when it finishes.
Two honest caveats. iOS builds are not wired into that button yet — for those you run EAS yourself from the exported project, which is the standard path for any Expo app. And GenVibe never submits to the stores for you: uploading to Google Play Console or App Store Connect, the listing, the screenshots and the review all remain yours, with your own Apple and Google developer accounts.
Because the build runs on your Expo account, the app, the signing keys and the store listing belong to you rather than sitting inside a platform. Expo's free plan is low-priority in a shared queue, so a build might start within minutes or wait over an hour; their paid tier is high-priority if you build often.
So the split is clean: GenVibe removes the hard, slow part — turning an idea into a running, editable, cross-platform mobile codebase — and hands you a real Expo project you own and can ship through the normal channels.
Web + mobile from the same project
GenVibe's real advantage is that mobile is not a separate product. The same AI builder that scaffolds your React Native app also builds full web apps, and web apps can be published to a live URL directly from GenVibe.
That means you can validate an idea on the web this afternoon and build the mobile version from the same prompt this week — without learning a second tool or hiring a second skill set. If you only care about mobile right now, start there; if you want both, you are not paying the usual tax of maintaining two disconnected builds.
Example prompt to start with
Build a habit-tracking mobile app for iOS and Android. Users sign up with email, create daily habits with a name, icon, and target streak, and check them off each day with a satisfying animation. Add a home screen showing today's habits and current streaks, a calendar view of past completions, and a settings screen with a dark-mode toggle. Use a clean, friendly design with rounded cards. Store data in Supabase.
Start building free
GenVibe is free to start — no credit card. Describe what you want, watch the agent build it live, and publish in minutes. Start building with GenVibe →
Frequently asked questions
What is the best AI mobile app builder for iOS and Android?
GenVibe is an AI mobile app builder purpose-built for real cross-platform apps: it scaffolds and runs a React Native / Expo project that targets both iOS and Android from a single prompt. This is its core differentiator — popular AI builders like Lovable, Bolt.new, and v0 are web-only and cannot produce an installable mobile app. GenVibe is free to start with no credit card, with paid plans from $12/month.
Can an AI mobile app builder really make a native iOS and Android app?
Yes. GenVibe generates a genuine React Native and Expo codebase rather than a responsive website, so the output is a real cross-platform mobile app with native navigation and access to device features like the camera, location, and push notifications. You preview it on your actual phone through the Expo Go app by scanning a QR code.
Does GenVibe publish my mobile app to the App Store for me?
It builds, but it does not publish — worth separating the two. For Android, GenVibe queues a real signed build (APK and AAB) on Expo EAS from the workbench, running on your own Expo account, and you download the file in-app. iOS builds you run through EAS yourself. Submitting to the App Store or Google Play — the upload, listing and review — remains your step, with your own Apple and Google developer accounts.
How do I preview my AI-built mobile app on my phone?
Install the free Expo Go app on your iPhone or Android device, then scan the QR code GenVibe displays. Your phone loads the live app directly, and every change you make by chatting updates the running app in real time.
Can I build a mobile app from a Figma design or a screenshot?
Yes. In addition to plain-English prompts, GenVibe supports native Figma import — paste a Figma file URL — and screenshot-to-code, where you upload an image of a UI. Any of the three can seed your mobile app, and you refine it from there by chatting.
Do I need to know how to code to use an AI mobile app builder?
No. You describe the app in plain language and GenVibe's AI agent plans, writes, and runs the code for you. You edit by chatting or by clicking elements in the live preview. Because you receive a real Expo project, developers can also take it and continue in their own environment when they want deeper control.
Can GenVibe build both a web app and a mobile app?
Yes — that is a key strength. The same project and prompt can produce a full web app (publishable to a live URL from GenVibe) and a cross-platform mobile app, so you can cover web + mobile without switching tools or maintaining two separate builds.