What are some alternatives?
When comparing Sleep Time - Alarm Clock and Pillow for iOS, you can also consider the following products
Sleep Cycle Alarm Clock - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Sleep as Android - Common alarm clocks ignore your sleep cycles, they wake you on schedule no matter your are currently in your deep sleep. Waking up from deep sleep is unpleasant, it makes you tired and it may negatively affect your productivity during the whole day.
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.
Alarm Klock - A better alarm clock.
Sleep Watch - AI-powered, personalized insights about your sleep.
Sleep Calculator - Want to wake up in a good shape?