Run AI-made HTML, JavaScript or TypeScript tools on Android and iPhone
Native apps for iPhone, Mac and Apple Watch
Stage
Not given
Established
Founded
Not given
2021
Based in
Not given
US
Pricing model
Freemium
Freemium
Pricing
Free demo included. Kapsula Pro: 7-day free trial, then monthly subscription or one-time lifetime purchase. Prices shown in app.
Cinder: $2.99/mo or $17.99/year or $30 once; Bilbo: $2.99/mo or $17.99/year or $30 once; Haplo AI: $5.99 once; Barrier: Free ad-supported; ShipHappens: $19.99/mo or $59.99/year or $7.99/week or $79.99 once; Haplo AI Investing: $4.99/mo or $44.99/year or $259.99 once; Markdown2PDF: $1.99 once; EasyLo
Key features
Run single HTML, JavaScript or TypeScript file
Edit code while keeping project data
OS notifications that fire when app is closed
Per-project local storage
Copy code errors for AI assistant
Sound and vibration control
Sandboxed execution
No account or cloud required
Works on Android and iOS
Offline AI chat and image generation with multiple language models
Workout tracking with 3D muscle mapping and AI insights
Day-by-day trip planning with routes and opening hours
Screen time blocking using Apple's Screen Time API
App Store release automation for Mac
Stock technical analysis with on-device scoring
Markdown to PDF conversion with code highlighting
Grid-based minimalist logo maker
Image annotation with bounding boxes and CSV export
Health syncing with Apple Health
What makes it different
Alarms actually fire even when app is closed, not just JavaScript timers
No server, sign-up or account needed
State persists across app updates
Direct AI code execution without build process
All data stays on device with no account required for most apps
One-time purchase options instead of mandatory subscriptions
Native Swift apps built specifically for each platform
Fast direct support with replies usually within a day
Offline-first design allows apps to work without internet connection
Haplo