Great for setting alarms
I like it helps me set perfect wake up alarms. I feel very replenished. I’d also allows me to plan better.
Perfekt
Schlicht und einfach. Die App macht genau das was sie soll.

This utility helps you determine the ideal times to sleep or wake up by calculating based on natural 90-minute sleep cycles. It aims to help users feel more refreshed and energized by waking them between these cycles.
1.1
February 13, 2025
Bugfixes and stability improvements
Sleep Calculator Plus factors in approximately 15 minutes to fall asleep and then calculates ideal sleep times based on complete 90-minute sleep cycles. It suggests optimal bedtimes for a desired wake-up time or the best wake-up times if you are going to bed now.
Sleep Calculator Plus is based on the principle of natural 90-minute sleep cycles. The app helps users wake up between these cycles to promote a feeling of being refreshed.
No, Sleep Calculator Plus is ad-free. The app explicitly states 'No ads, no in-app purchases' in its features list.
Sleep Calculator Plus is available for iPhone and iPad. The app supports both devices, indicated by its platform compatibility.
Sleep Calculator Plus has an age rating of 4+. This indicates it is suitable for children and adults.
Sleep Calculator Plus was last updated on February 13, 2025, with version 1.1. This suggests recent development and maintenance.
Users often appreciate the simple and intuitive interface, along with an elegant dark design for nighttime use. The 'Suggested' times are also highlighted as particularly recommended for a refreshing sleep.
Yes, Sleep Calculator Plus is available for free. The app's pricing is listed as 'Free' and it does not feature in-app purchases.