What are some alternatives?
When comparing Calm and Sleep Time - Alarm Clock, you can also consider the following products
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Sleep Cycle Alarm Clock - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Simple Habit - Our mission is to empower humans to stress less, achieve more, and live better. Meditate today!
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.
Smiling Mind - Promotes mindfulness and meditation for young people
Pillow for iOS - An iOS companion that helps you sleep better 💤