What are some alternatives?
When comparing Calm and Gentle Wakeup, you can also consider the following products
Headspace - Meditation made simple. Brilliant things happen in calm minds.
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.
Simple Habit - Our mission is to empower humans to stress less, achieve more, and live better. Meditate today!
Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
Smiling Mind - Promotes mindfulness and meditation for young people
Sleep Time - Alarm Clock - Sleep Time provides insight into your sleep patterns. By tracking your level of movement throughout the night, Sleep Time generates customized sleep data in easy-to-read charts.