Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Nice Sex Tracker - Privacy centric sex and intimacy tracking app for iOS
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.
Spicer - Mobile app for couples to improve sex.
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.
Eforia - Eforia (formerly Do You) is an app designed to make sexual self-discovery fun and engaging.