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Sleep as Android vs Pillow: catalog facts
Sleep as Android	Pillow
Freemium Free to try, with paid features unlocked by purchase.	Freemium Free on the App Store with optional paid features.
Android	iOS
Smart alarm based on sleep phase tracking Works with phone sensors or wearables	Works on Apple Watch, iPhone and iPad Records sleep audio such as snoring
Android only Large feature set can take time to configure	Apple devices only Some features need payment
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.