01 — For clinicians
What SleepShutter records overnight — and what it doesn't.
SleepShutter is an iPhone app that records snoring events through the night and saves the video and audio around each one. It lets a person see what actually happens while they sleep and, when it matters, bring that recording to a clinician.
02 — Straight answers
What it does, and what it doesn't
Does
What the app records
- Snoring events detected across the night, with start and end times
- Night vision that works in a fully dark room — TrueDepth infrared, switched on automatically
- Video and audio saved around each event, including the seconds before it
- A timeline of the whole night to scroll through in the morning, with body-turn detection
In development: breathing-pause detection, classifying the site of collapse, matching an intraoral appliance to the cause, sleeping-position detection.
Doesn't
What the app does not do
- It does not diagnose, and it does not replace a sleep study. Identifying sleep apnea takes polysomnography or a home sleep apnea test, read by a clinician.
- It has not been measured against a reference standard. Our accuracy figures so far come from our own hand-labelled recordings and a held-out test set — internal, not validated against polysomnography. The full method and the numbers behind it are available on request, and we will publish them once there is a reference-standard comparison.
- It does not give treatment advice. Appliance matching is still in development and does not replace a clinician's judgement.
- It does not send recordings anywhere. Processing happens on the phone.
03 — What we ask of a clinical consultant
Review documents. No participant recruitment.
Screening and exclusions
The participant screening questionnaire and the exclusion criteria.
Contraindications
The contraindication list for intraoral appliance use.
Adverse events
The reporting procedure, and the principles for classifying events.
Not asked
What we do not ask for
- No participant contact, no recruitment, no access to participant identities
- No use of patients or records of your institution
- No IRB submission on your side, and no involvement of your institution's administration
- The role is consultant, not co-investigator
Fees
Hours and rate are set by you
For a funded project, agreed at the time of an award or when consultation is actually requested — plus a few consultation hours per year during the period of performance.
For product design consultation: your hourly rate.
04 — What the app captures
One night, as the phone saw it
Screens from a development build.
05 — Where the project stands
Where we are now
Runs overnight in real bedrooms
Recording, night vision and the morning timeline all run on the phone.
1.0 submitted to the App Store
SleepShutter 1.0 was submitted for App Store review on 28 October 2026. The TestFlight beta is open to testers in the meantime.
A U.S. federal research application
Spicetek has one research application under review at the U.S. National Institutes of Health (NIH).
06 — Contact
A person replies, not a form
SleepShutter is built by Spicetek LLC, a small company in Chino, California. Write to Hans Wu, the founder.