# Sleep Tracker App WellSleep — Sleep Cycle & Alarm Clock > Sleep Cycle & Alarm Clock (iPhone/iPad app by Hong Kong Zhufeng Technology Co., Limited.) - Source: https://appshunter.io/ios/app/sleep-tracker-app-wellsleep/id6759694103 (this page in markdown: same URL + `.md`) - Developer: [Hong Kong Zhufeng Technology Co., Limited](https://appshunter.io/developer/1747248515) - Category: Health & Fitness - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 15.2 · 353 MB - Languages: American English, Arabic, French (France), German (Germany), Hindi, Indonesian, Italian, Japanese, Korean, Malay and 6 more - Released: 2026-03-21 - Data updated: 2026-08-29 - User reviews in markdown: https://appshunter.io/ios/app/sleep-tracker-app-wellsleep/id6759694103/reviews.md ## What is Sleep Tracker App WellSleep? Master your sleep. Unlock your energy. WellSleep is a professional sleep assistant designed to help you better understand and improve your rest using only your iPhone. With sound analysis, motion sensing, and personalized sleep insights, WellSleep helps you visualize your sleep patterns, understand sleep debt, and build healthier sleep routines—without requiring a wearable device. Stop wondering why you wake up tired. Understand your nights, improve your sleep habits, and make the most of your days. THE SCIENCE OF REST WellSleep goes beyond basic sleep timers. By combining sleep tracking with insights into sleep duration, consistency, movement, and nighttime sounds, WellSleep helps you better understand your personal sleep patterns. CORE FEATURES Advanced Sleep Analytics Phone-Based Sleep Tracking No wearable device required. Simply place your iPhone near your bed, and WellSleep uses its sensors and sound analysis to monitor your sleep throughout the night. Sleep Stage Insights Explore estimated Deep, REM, and Light sleep periods through movement and acoustic patterns to better understand your nightly sleep. Daily Sleep Score Receive a personalized score each morning based on factors such as sleep duration, sleep quality, and consistency. Sound & Snore Detection Snore & Sound Detection Detect and record snoring, sleep talking, and nighttime environmental sounds that may affect your sleep. Nighttime Sound Insights Review detected sounds and identify patterns that may be associated with changes in your sleep quality. Sleep & Energy Management Sleep Debt Keep track of your accumulated sleep deficit and receive personalized insights to help you establish more consistent sleep habits. Sleep Rhythm Understand your sleeping and waking patterns and identify when you tend to feel more alert or tired throughout the day. Smart Alarm & Sleep Aids Smart Wake Wake up more gently by allowing WellSleep to monitor your sleep and choose an appropriate wake-up moment within your selected alarm window. Sleep Sound Library Relax and fall asleep with a curated collection of white noise, ASMR, rain sounds, ambient audio, and guided meditation. WELLSLEEP PREMIUM An active WellSleep Premium subscription is required to access the following features: • Sleep Recording • Sleep Analysis • Sleep Tracking • Sleep & Relaxation Music These features require an active in-app subscription and cannot be used without a WellSleep Premium subscription. Subscription options and pricing are displayed in the app before purchase. PRIVACY BY DESIGN Your privacy is our priority. Local Processing Audio recordings used for sound and snore detection are processed locally on your iPhone whenever supported by the feature. Data Ownership Your sleep data belongs to you. We do not sell your personal information to third parties. Privacy Policy: https://zhufengtech.com/privacy.html Terms of Use: https://zhufengtech.com/terms.html ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Annual Premium Pass | $59.99 | per year | | Weekly Premium Pass | $9.99 | per 7 days | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime Unlimited Access | $69.99 | one-time | ## Version history (last 5 releases) ### 1.0.4 — 2026-08-27 Sleep Tracker App WellSleep Version 1.0.4 Release Notes What's New: - Improved UI interactions for a more seamless and enjoyable user experience. - Fixed known bugs to enhance overall app stability and performance. Thank you for choosing WellSleep! Your feedback is invaluable in helping us create a better sleep tracking experience. If you have any suggestions or encounter any issues, please reach out to us. Sweet dreams! ### 1.0.3 — 2026-08-26 Sleep Tracker App WellSleep Version 1.0.3 Release Notes What's New: - Improved homepage layout and details for a smoother experience. - Enhanced audio interaction for easier and more intuitive use. - Added background reverb effects for a more immersive sleep environment. - Refined the background style during music playback for a more relaxing look and feel. - Introduced even more audio tracks to help you fall asleep and relax. Thank you for using WellSleep! Your feedback helps us make your sleep tracking experience even better. If you have suggestions or encounter any issues, please let us know! ### 1.0.2 — 2026-04-28 Sleep Cycle Tracker WellSleep Version 1.0.2 Release Notes What's New: - Fixed known bugs to improve app reliability. - Enhanced overall stability for a better user experience. Thank you for choosing WellSleep! We're committed to providing you with the best sleep tracking experience. If you have any feedback or run into any issues, please reach out to us! ### 1.0.1 — 2026-04-17 Sleep Cycle Tracker WellSleep Version 1.0.1 Release Notes - Fixed known bugs to enhance overall stability. - Optimized app features for a smoother user experience. Thank you for using WellSleep! We’re always working to improve your sleep tracking experience. If you have feedback or encounter any issues, please let us know! ### 1.0.0 — 2026-03-21 No release notes. ## More apps by Hong Kong Zhufeng Technology Co., Limited - [Cute Girl: Find Her Difference](https://appshunter.io/ios/app/cute-girl-find-her-difference/id6503930253) - [Live Wallpapers 4K ChargeWall](https://appshunter.io/ios/app/live-wallpapers-4k-chargewall/id6504396303) - [Clean up: AI Storage Cleaner](https://appshunter.io/ios/app/clean-up-ai-storage-cleaner/id6504977209) - [AdBlocker: Guard Web Browser](https://appshunter.io/ios/app/adblocker-guard-web-browser/id6736645602) - [Dual Messenger & Duo Web Chat](https://appshunter.io/ios/app/dual-messenger-and-duo-web-chat/id6738109474) All apps by Hong Kong Zhufeng Technology Co., Limited: https://appshunter.io/developer/1747248515 ## Related topics [sleep cycle tracker wellsleep](https://appshunter.io/ios/topics/sleep-cycle-tracker-wellsleep) · [sleep application](https://appshunter.io/ios/topics/sleep-application) · [lumarest smart pillow lr100](https://appshunter.io/ios/topics/lumarest-smart-pillow-lr100) · [free sleep apps cycle](https://appshunter.io/ios/topics/free-sleep-apps-cycle) · [sleep cycle tracker](https://appshunter.io/ios/topics/sleep-cycle-tracker) · [free cycle tracker sleep](https://appshunter.io/ios/topics/free-cycle-tracker-sleep) · [sleep noise tracker](https://appshunter.io/ios/topics/sleep-noise-tracker) · [sleep monitor alarm](https://appshunter.io/ios/topics/sleep-monitor-alarm) · [sleep snore tracker](https://appshunter.io/ios/topics/sleep-snore-tracker) · [sleep noise tracker white](https://appshunter.io/ios/topics/sleep-noise-tracker-white) · [sleep tracking app](https://appshunter.io/ios/topics/sleep-tracking-app) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*