sleep² sleeptracker & analysis
Nukkuaa Health & Fitness iPhoneiPadiPod touch
sleep² sleeptracker & analysis is a free Health & Fitness app for iPhone and iPad by Nukkuaa. Rated 3.6/5 from 37 ratings. Requires iOS 15.0.
- Rating
- 3.6
- 37 ratings
- Price
- Free
- on the App Store
- Size
- 110 MB
- Age 4+
- Updated
- Oct 3
- 2026 · v3.7.1
Screenshots
About sleep² sleeptracker & analysis
Discover Sleep Anew: sleep² - Your Sleep Tracker sleep² is your personal guide to better sleep. It combines innovative sleep training with a precise sleep tracker. Sleep trackers provide valuable insights into your sleep. The sleep² Intensive Program is an EU-approved medical device, specifically designed for people with acute sleep disorders like insomnia. Our scientifically based method has already helped thousands improve their sleep quality through systematic and gradual sleep tracking and training. sleep² Pro: Based on sleep analysis, the program adapts to individual sleep data, delivering precise recommendations from your sleep tracker. Sleep Tracker: Analyze sleep using a Polar sensor or import data via Apple Health. Manually enter sleep data into the sleep diary if no tracker is used. Based on the sleep data, you get: Detailed recommendations based on sleep analysis Sleep training for better sleep An interactive chat-bot to help you sleep better Sleep analyses always available—no waiting like in sleep labs Precise sleep analysis through innovative algorithms for sleep improvement Free download & basic functions Full features of sleep² (precise sleep analysis, personalized programs) with subscription purchase Download sleep² - Our sleep tracker and precise sleep analysis help improve sleep! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & reviews
3.6
37 ratings
What’s new
Version 3.7.1 · Updated October 3, 2026
- Sleep factors are now suggested based on your profile - Sleep coach: rate the feedback for better tips - Height & weight now also available in imperial units - More stable connection to Polar sensors - Bug fixes, performance improvements, and general optimizations
App privacy
The developer, Nukkuaa, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Health & Fitness: Fitness
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Health & Fitness: Health, Fitness
- Contact Info: Email Address, Name
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Diagnostics: Crash Data
Used for: Analytics
Alternatives to sleep² sleeptracker & analysis
Looking for apps like sleep² sleeptracker & analysis? Here are 6 similar apps on the App Store. The highest rated is Sleep Tracker, CPAP, Insomnia (4.8/5), and all 6 are free to download.
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ECG Logger for Polar H10
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Kubios HRV - Daily Readiness
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ECG Recorder for Polar H10
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ECG & HRV Insights Polar H10
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Sleep Tracker, CPAP, Insomnia
4.8
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Optimal HRV: Biofeedback
3.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| sleep² sleeptracker & analysis | 3.6 / 5 (37 ratings) | Free | October 3, 2026 | |
| ECG Logger for Polar H10 | 4.2 / 5 (94) | Free | Oct 5, 2026 | Compare |
| Kubios HRV - Daily Readiness | 4.7 / 5 (192) | Free | Jun 22, 2026 | Compare |
| ECG Recorder for Polar H10 | 3.7 / 5 (21) | Free | Aug 18, 2026 | Compare |
| ECG & HRV Insights Polar H10 | 3.0 / 5 (2) | Free | Sep 3, 2026 | Compare |
| Sleep Tracker, CPAP, Insomnia | 4.8 / 5 (120) | Free | Oct 4, 2026 | Compare |
| Optimal HRV: Biofeedback | 3.0 / 5 (24) | Free | Sep 19, 2026 | Compare |