Sensor Multitool vs GPS Audio Recorder

Raw Sensor Multitool gives you instant, real-time access to the raw data streaming from your iPhone's built-in sensors — all in one clean dashboard. Designed for DIY makers, engineers, hobbyists, and anyone who wants to know exactly what their phone is measuring. SENSORS INCLUDED • Accelerometer — Live X, Y, Z forces in g. See gravity, tilt, and motion as raw values. Perfect for understanding how your phone moves in space. • Gyroscope — Real-time rotation rates on all three axes in rad/s. Ideal for robotics, motion tracking, and calibration projects. • Magnetometer — Raw magnetic field strength in microteslas (µT) on X, Y, Z. Detect nearby magnets, map field distortions, or calibrate compass-based projects. • Altimeter — Relative altitude change in meters and absolute barometric pressure in hPa. Zero the baseline at any time with the Reset button. • Compass — Magnetic and true heading in degrees, with a live compass rose and accuracy indicator. Instantly see if your magnetometer needs calibration. THREE SENSITIVITY MODES Tap Raw, Balanced, or Smooth at the top of the dashboard to control how data is filtered: • Raw — No filtering. Full precision. Every sensor update displayed as-is. Best for debugging and precision DIY work. • Balanced — Light smoothing with reduced decimal places. Clean and readable. The default mode. • Smooth — Heavy moving-average filter. Dramatically reduces noise. Best for steady observation and general use. DESIGNED FOR DIY PROJECTS Whether you're building a sensor logger, calibrating a magnetometer array, testing a motion-sensitive prototype, or just curious about your phone's hardware — Raw Sensor Multitool puts the data front and center, with no clutter. All sensor data is processed entirely on-device. Nothing is stored, logged, or transmitted.

GPS Audio Recorder combines high-quality audio recording using internal or external microphones (via USB cable) with precise GPS location tracking. Perfect for journalists, researchers, field recordists, and anyone who needs to document where their recordings were made. A lightweight, minimalistic and efficient App. KEY FEATURES High-Quality Audio Recording - Quality levels: Low (64k), Standard (128k), High (256k) - Quality level available when connected to external USB mic: Super (320k) - AAC/M4A format, 44.1kHz sample rate - External microphone support (USB-C, Lightning) GPS Location Tracking - GPS coordinates embedded in filename - GPS location and optionally as well with travel path tracking (both under "rGPS" metadata in M4A file) - Offline on-device country and region identification from GPS Archive & Playback - Waveform visualization for each recording - Tap or drag on waveform to seek position - Experience the unique Atmospheric Shuffle randomization with crossfade playback - Custom tag recordings for easy organization - Search and filter by name, tags, or location Map View - Apple Maps integration with recording location markers - Smart clustering for better overview - GPS path visualization (if option is enabled when recording) - Play recordings directly from map User Experience - Dark Mode UI, easy on the eyes - No subscription, no ads, one-time purchase - No account required - Works completely offline (only Apple Maps view needs internet) AUDIO QUALITY - Low: 64 kbps (mono, available for internal mic only) - Standard: 128 kbps (stereo) - High: 256 kbps (stereo) - Super: 320 kbps (stereo, only available when external mic is connected via cable) TECHNICAL DETAILS - Format: M4A/AAC - GPS Metadata: Embedded rGPS atom, under "----" (iTunes metadata) - Minimum iOS 17.0 PERFECT FOR - Field journalism and interviews - Research and ethnography - Travel documentation - Nature recording - Location scouting - Personal voice memos with context - Using audio recording files and embedded metadata for external applications NO SUBSCRIPTION. NO ADS. ONE-TIME PURCHASE.