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Build your iPhone app
Describe your idea. We’ll build it
Start free · No credit card required
Start with a plan
Answer a few questions and x1 maps out the screens, features, and everything else you need to start building.
Map the screens
See the screens your app needs, from sign up to the main feature.
Choose how it works
Set what users can tap, save, pay for, skip, and come back to.
Design your app’s look and feel
Use x1’s visual canvas to shape the brand, screens, and details before your app is built.
Set the style
Choose the icon, colors, fonts, and overall look that matches your brand.
Edit the screens
Adjust layouts, buttons, spacing, copy, and flow. You have total control.
Build your iPhone app
x1 turns your plan and screens into an app you can test, polish, and launch.
Build in order
x1 works through each screen and feature step by step.
Prepare for launch
Review, refine, and prepare the materials needed for App Store submission.
Launch from x1
Create screenshots, write your App Store listing, and send your app for review, all in one place.
Create App Store screenshots
Turn your app screens into polished screenshots for your listing.
Write the App Store listing
Draft the description, subtitle, keywords, and app details with x1.
Equipped with everything you need to build an app that stands out.
Launch faster with built-in tools for design, development, analytics, scaling, and revenue, without unnecessary complexity.
Idea Studio
Brand Studio
Design Studio
Build Studio
Publish Studio
Equipped with everything you need to build an app that stands out.
Launch faster with built-in tools for design, development, analytics, scaling, and revenue, without unnecessary complexity.
From concept to clarity.
Turn rough ideas into structured app plans, features, and flows.
Build a brand users remember.
Generate names, visuals, voice, and identity systems for your app.
Interfaces that feel production-ready.
Create polished iPhone screens, flows, and reusable components.
From architecture to working code.
Generate scalable app logic, backend structure, and working app functionality.
Launch without the chaos.
Prepare releases, manage App Store assets, analytics, and monetization.
That app idea in your notes should be on the App Store
Tell x1 what you want to build. It helps you plan it, design it, build it, and launch it.
Start building with x1Frequently asked questions
Start free with 100 credits — no credit card required. Paid plans are $19, $49, and $99 per month, with monthly, quarterly, and yearly billing.
The free credits never expire and cover validating your idea, generating a plan, exploring designs, and building your first milestone.
No. x1 guides you through planning, design, build, QA, and launch preparation — no coding required.
Real iPhone apps built with React Native, taken from idea all the way through App Store submission.
Yes. Preview instantly on your phone with Expo Go, share a private beta through TestFlight, and submit directly to the Apple App Store (an Apple Developer account is required).
Yes. On any paid plan you can export the full React Native source as a ZIP and keep, extend, and monetize your app.
Build your mobile app the way you always wished you could
Let x1 guide you through every screen, flow, and milestone.
Start building