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Just Sensors

by Daniel Smith
Pay once $0.99 5.0 · 3 ratingsiPhone & iPad
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About Just Sensors

Just Sensors. Nothing more, nothing less.

Your iPhone is packed with sophisticated sensors — accelerometers, gyroscopes, barometers, Bluetooth radios, and more — all working silently in the background. Just Sensors brings them to life with beautiful, real-time visualizations.

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▸ EXPLORE 17 SENSORS

Motion Sensors

• Accelerometer — Interactive bubble level showing forces in real-time

• Gyroscope — Watch rotation rates with smooth visualizations

• Magnetometer — A digital compass with magnetic field strength

• Barometer — Track atmospheric pressure and relative altitude

• Device Motion — Visualize pitch, roll, and yaw with an animated 3D cube

• Pedometer — Count steps, distance walked, and floors climbed

Location

• GPS — View coordinates, altitude, speed, and course on a live map

Audio & Light

• Microphone — Visualize sound levels with a live waveform and dB meter

• Light Meter — Measure ambient light in lux using your camera

AR Sensors (Pro devices)

• LiDAR Scanner — Measure distances and visualize depth data

• Face Tracking — See 52 facial blend shapes detected in real-time

Device State

• Proximity — Detect when objects are near the screen

• Battery — Monitor charge level, state, and thermal condition

• Orientation — See portrait, landscape, face-up, face-down

• Brightness — Track display brightness levels

• NFC — Read NFC tags and view their data

• Bluetooth Scanner — Discover nearby BLE devices

▸ BLUETOOTH SCANNER

• Discover nearby BLE devices in real-time

• See signal strength (RSSI) for each device

• Identify manufacturers using official Bluetooth SIG data

• View advertised services and UUIDs

• Switch between feet and meters for distance estimates

▸ SETTINGS & DEVICE INFO

• Switch between US Standard and Metric units

• View all app permissions at a glance

• See detailed device information — model, memory, storage, screen specs

• Quick access to iOS Settings to manage permissions

▸ BEAUTIFUL VISUALIZATIONS

Every sensor gets its own tailored visualization:

• Interactive bubble levels for motion data

• An animated 3D cube for device orientation

• A smooth compass dial for magnetic heading

• Elegant gauges for pressure, light, and brightness

• Live waveforms for audio

• Device list for Bluetooth with signal strength

• Depth views for LiDAR

• Face mesh overlays for TrueDepth

▸ LIVE PREVIEWS

See sensor data at a glance — the home screen shows live mini-previews for every sensor, so you know what's happening before you tap.

▸ RECORD & EXPORT

Capture sensor data over time and export it for analysis:

• Record sessions from any sensor

• Export to CSV for spreadsheets

• Export to JSON for developers

• Share directly to Files, email, or other apps

• Review and manage past recordings

▸ DESIGNED FOR EVERYONE

Whether you're a developer debugging motion controls, a student learning about physics, a researcher collecting data, or just curious about your device — Just Sensors makes it easy.

• Clean, dark interface with vibrant accent colors

• Haptic feedback for a tactile experience

• Choose your preferred measurement units

• Works offline — no internet required

• Privacy-focused — your data stays on your device

▸ SMART SENSOR HANDLING

Just Sensors gracefully handles hardware differences:

• LiDAR features require iPhone 12 Pro or later

• Face tracking requires devices with Face ID

• Sensors that need permission show tap-to-activate previews

• Unavailable features are clearly indicated

No fluff. No bloat. Just Sensors.

How it charges

Pay once $0.99

Paid once — $0.99 — with no in-app purchases.

The store lists no in-app purchases.

Checked against the store listing on Oct 29, 2026. Something wrong? Tell us

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