Prism - Every Sensor. One App.

PRISM turns your iPhone into a universal sensor toolkit. 12 precision instruments in one beautifully designed app — measure sound, distance, magnetic fields, colors, network speed, altitude, and more using the advanced sensors already built into your device. Fun and Useful for all Ages!

FREE TOOLS
• Compass — True north heading with magnetic declination
• Bubble Level — Precision dual-axis leveling for any surface
• Altimeter — Real-time altitude and barometric pressure readings

PRO TOOLS (unlock all with one subscription)
• Decibel Meter — Real-time sound level analysis with live waveform display
• Hearing Age — Discover your hearing age through frequency response testing
• Instrument Tuner — Tune guitar, bass, ukulele, violin and more with precision detection
• Magnetometer — Measure magnetic field strength with micro-Tesla readings
• Metal Detector — Find ferrous metals with real-time audio feedback, auto-calibrating baseline, and adjustable sensitivity
• LiDAR Ruler — Measure distances with millimeter precision using your device's LiDAR sensor
• SeismoGraph — Detect vibrations and seismic activity with real-time motion tracking
• Network Analyzer — WiFi signal strength in dBm, local and public IP, ping test, and download speed test
• Color Lens — Camera-based color picker with dominant palette extraction, Pantone/RAL/paint brand matching, image upload with tap-to-pick, and pinch-to-zoom

WHY PRISM?
• No data collection — your measurements stay on your device
• No ads — clean, distraction-free experience
• Works fully offline — no internet required for sensor tools
• Beautiful dark interface designed for clarity and precision
• 3 tools are always free. Subscribe to unlock the full toolkit.
• More tools to come in the future!

Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage subscriptions in your Apple ID account settings.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://bahaabah19.github.io/prism-privacy/