Open-source Android app for locating and controlling phones you own via SMS
Native apps for iPhone, Mac and Apple Watch
Stage
Not given
Established
Founded
Not given
2021
Based in
Not given
US
Pricing model
Open source
Freemium
Pricing
Not given
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
SMS-based device pairing with QR-assisted fingerprint verification
Real-time location tracking with timestamps
Device status monitoring including battery and network
Movement update notifications at selected intervals
Remote sound alert to find phone
Optional Device Admin remote screen locking
Custom lock-screen owner text with Device Owner provisioning
No account or command server required
Owner-approved consent model for all features
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
Open source with public source code for transparency and community contributions
No account or central command server; all communication via SMS
Explicit dual-owner consent required for all pairings and features
Works offline with only SMS and carrier dependency
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