Your sensors. Your data. Raw.
Raw Bio Signals turns your iPhone into a recorder for the biosensors you already own. It captures what they actually send - every sample, at full rate - writes it to disk, and hands you the files. It does not tell you what your signals mean. That is the point.
Record
Every connected sensor at once, in one session, written continuously - all night if you want. A live count per stream shows the samples landing, so you can see it working instead of hoping. It keeps running with the screen off.
Watch it live
Waveforms, contact quality and vitals as they arrive. The same dashboard opens in a browser on your laptop over your own Wi-Fi - no install, no account - and the same data goes out as JSON over a WebSocket, so you can read it from your own code. Mark moments while they happen: eyes closed, blink, clench, move.
Take your data with you
Each recording becomes a bundle: one CSV per stream, EDF+ for EEG, a manifest describing every channel and sample rate, and a self-contained HTML page you can open offline. Send it to iCloud Drive, the Files app, a folder in any cloud, an S3-compatible bucket or a WebDAV server - or share a single .zip straight from the app.
Works with
Muse S EEG headband. Polar H10 and Verity Sense. Any Bluetooth heart-rate strap. Wellue ring oximeters. greenTEG CORE body temperature. Vernier Go Direct respiration belt. BTHome room sensors. Apple Watch heart rate and motion. And the iPhone's own microphone and motion sensors.
Not affiliated with, sponsored by or endorsed by any of them - the names say what the app connects to.
No account, no server
Recordings stay on your iPhone. There is no account and no server of ours behind the app. Data leaves only where you send it. See the privacy policy.
Try it without hardware
Tap "Demo recording" and the whole thing runs on simulated sensors - the cockpit, the live dashboard, the export.
Raw Bio Signals is a recording tool. It is not a medical device, it makes no diagnosis, and it is no substitute for professional advice.