Just Sensors
— Nothing more, nothing less.
Discover the hidden power of your iPhone. Explore 27+ sensors with real-time visualizations, MQTT streaming, Apple Watch companion, record data sessions, and export for analysis.
Features
Everything You Need to Explore
Unlock the full potential of your device's sensors with powerful tools and beautiful visualizations.
Real-Time Visualizations
Watch your sensor data come to life with interactive bubble levels, line graphs, 3D orientation cubes, compass dials, waveforms, and more—all updated in real-time.
27+ Sensors Supported
Access accelerometer, gyroscope, LiDAR, GPS, BLE scanner, UWB Spatial Radar, NFC, acoustic sonar, Doppler, metal detector, and more from a single interface.
Record & Export Data
Capture sensor sessions with precise timestamps. Export to CSV for spreadsheets or JSON for programmatic processing. Share via the system share sheet.
Beautiful Dark UI
Stunning dark theme with vibrant color-coded categories, smooth animations, and haptic feedback. Live mini-previews on the home screen show data at a glance.
Privacy First
All sensor data stays on your device. No accounts required, no cloud uploads, no analytics, no tracking. Your data is completely yours.
Instant Access
Jump straight into any sensor from the categorized home screen. Graceful handling of unavailable sensors with clear availability indicators.
Siri Shortcuts
Integrate with Siri and the Shortcuts app. Get location, battery level, or accelerometer data. Adjust brightness or jump directly to any sensor with voice commands.
MQTT Export
Stream sensor data to any MQTT broker. Connect to Home Assistant, Grafana, or custom dashboards. Configure host, topic, and QoS in Settings.
Apple Watch Companion
Just Sensors Watch app brings motion, GPS, pedometer, barometer, and health sensors (heart rate, blood oxygen, wrist temperature, water depth) to your wrist.
Sensors
27+ Sensors, One App
Explore every sensor your iPhone has to offer, organized by category.
Motion
- Accelerometer
- Gyroscope
- Device Motion
- Pedometer
- Motion Gestures
Environment
- Magnetometer
- Barometer
- Metal Detector
Location
- Coordinates (GPS)
- Location Details (map)
- Speed & Distance
- Altitude Tracker
- Sun Position
Audio/Visual
- Sound Level (dB)
- Sound Spectrum (FFT)
- Light Meter (lux)
- Acoustic Sonar
- Doppler Velocity
AR Sensors
- LiDAR Scanner
- Face Tracking
Radio
- NFC Reader
- Bluetooth (BLE)
- Spatial Radar (UWB)
Device State
- Proximity
- Battery
- Orientation
- Brightness
Screenshots
See It in Action
Beautiful visualizations tailored to each sensor type.
Home Screen
Accelerometer
Device Motion
GPS / Location
Microphone
NFC Reader
Bluetooth Scanner
Device Finder
Device Details
Recordings
Watch
See It in Action
Watch a quick demo of Just Sensors exploring your device's hidden capabilities.
Also on TikTok
Data Export
Export Your Data
Record sensor sessions, export CSV/JSON, or stream live data via MQTT to Home Assistant, Grafana, or any MQTT broker.
CSV Format
SpreadsheetsJSON Format
Developers📡 MQTT Integration Guide — stream sensor data to Home Assistant, Grafana, or any MQTT broker.
Compatibility
Requirements
Check what features are available on your device.
📱 System Requirements
| iOS Version | iOS 16.0+ |
| Device | iPhone (Physical) |
| Storage | ~15 MB |
✨ Device-Specific Features
| LiDAR Scanner | iPhone 12 Pro+ |
| Face Tracking | iPhone X+ |
| NFC Reader | iPhone 7+ |
| UWB (Spatial Radar) | iPhone 11+ |
| Barometer | iPhone 6+ |
📱 Download Just Sensors
Just Sensors is now available on the App Store! You can also join our TestFlight beta to try new features early.
| App Store | Stable release, available now |
| TestFlight Beta | Early access to new features |
| Price | Free |