Compare software

Pillow vs SleepScore: catalog facts
Pillow	SleepScore
Freemium Free on the App Store with optional paid features.	Freemium Free to download, with paid features.
iOS	Android, iOS
Works on Apple Watch, iPhone and iPad Records sleep audio such as snoring	Tracks sleep without a watch or band Sleep stage breakdown with a nightly score
Apple devices only Some features need payment	Phone sonar estimates are less direct than wearable sensors Some features sit behind a paid tier
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.