Connect and configure your 4iiii power meters and heart rate monitors. Record workout data, update device firmware, and even turn your Apple Watch into a cycling head unit. Track power, cadence, heart rate, and more while riding.
What We Love
- ✅ Firmware updates work smoothly when functioning
- 🔋 Battery status display
- ⚙️ Zero offset calibration functionality
- 🎯 Successfully pairs with power meters (when working)
- 📱 Simple and straightforward UI for basic functions
- 🔗 Effective ANT+ to Bluetooth bridging (when operational)
Room to Improve
- 🐛 Cannot detect multiple power meters simultaneously
- 🐛 Frequent connection failures and disconnections
- 🐛 App crashes and freezes regularly
- 🐛 Data fields clear themselves unexpectedly
- 🐛 Firmware updates fail mid-process
- 🐛 Dual-sided power meter recognition issues
- 🐛 Login and account creation problems
- 🐛 Incompatibility with iOS updates
- 🐛 Bluetooth connectivity unreliable
- 🐛 Poor bikeindex.org integration
- 😤 Mandatory account creation requirement
- 📍 Forced location tracking and data collection
- 🔐 Privacy concerns with excessive data harvesting
- ⚠️ Outdated and unintuitive UI design
- ❌ Inconsistent app behavior across devices
- 🚫 Bricked power meters after failed updates
- 📞 Non-responsive customer support
- 🌍 Limited language support (no Spanish, Japanese, etc.)























