Sleep Key - Tracker, Sound
Sleep Key - Tracker, Sound is made and published by Waqto LLC. AppBrain is an independent app data site and isn't affiliated with Waqto LLC. The app name, icon, screenshots and description belong to Waqto LLC and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 4.00
- 6 ratings
- Last updated
- March 30, 2026
- Size
- 143.9 MB
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Store listing
By Waqto LLC, from the App StoreDescription by Waqto LLC Written by the developer, not by AppBrain. Click to read.
Sleep Key is the intelligent sleep tracker, smart alarm, and comprehensive sleep analyzer designed to help you build better bedtime habits. By combining clinical-grade data analysis with your device's advanced sensors, Sleep Key gives you a complete picture of what happens when the lights go out.
Whether you struggle with snoring, insomnia, sleep debt, or simply want to optimize your morning routine, Sleep Key provides the data you need to wake up feeling energized, not groggy.
THE PROBLEM: WHY ARE YOU TIRED? Traditional alarm clocks ignore your body's biological needs. They jolt you awake at a specific time, often interrupting a cycle of deep sleep or REM sleep. This leaves you with "sleep inertia"—that groggy, heavy feeling that even coffee can barely fix. Furthermore, environmental factors like room noise, temperature, and even the weather outside can secretly sabotage your recovery.
THE SOLUTION: Sleep Key turns your phone into a private sleep laboratory. It monitors your movements, heart rate, respiratory rate, and bedroom sounds to determine exactly where you are in your sleep cycle.
CORE FEATURES
INTELLIGENT SMART ALARM Wake up at the perfect moment. Sleep Key monitors your sleep cycles in real-time. Instead of a fixed time, you set a 30-minute wake-up window. The app waits for your lightest sleep phase—when your body is naturally ready to wake up—and gently activates the alarm. The result? You wake up feeling refreshed, alert, and ready to conquer the day.
ADVANCED SNORE AND AUDIO RECORDER Do you talk in your sleep? Do you snore? Is a noisy neighbor ruining your night? • Snore Detection: Automatically detects and isolates snoring sounds. Useful for identifying trends or sharing with a doctor. • Sleep Talking: Capture funny or insightful moments from your dreams. • Environmental Noise: Analyze ambient noise levels to see if your bedroom is too loud for deep sleep. • Playback: Listen to your audio highlights the next morning.
EXCLUSIVE: WEATHER AND SLEEP CORRELATION Sleep Key is one of the only trackers that correlates your sleep quality with local weather conditions. • Barometric Pressure: See if pressure changes cause you restless nights. • Temperature & Rain: Discover if you sleep deeper during thunderstorms or heatwaves. • Data-Driven Insights: Use this data to adjust your room temperature or bedding for a better night's rest.
HEALTH AND VITALS MONITORING We go beyond simple time tracking. Sleep Key leverages Apple Health integration and device sensors to track vital metrics: • Heart Rate Analysis: Visualize your resting heart rate curve. A "dip" in heart rate is a key indicator of restorative sleep and physical recovery. • Respiratory Rate: Monitor your breathing variance to detect irregularities or potential obstructions. • Sleep Stages: View detailed graphs showing exactly how much time you spent in Light Sleep, Deep Sleep, and REM (Rapid Eye Movement).
SLEEP NOTES AND LIFESTYLE TAGS Track how your daily choices affect your night. Tag your sessions with variables like "Caffeine," "Alcohol," "Late Workout," "Stress," or "Screen Time." Over time, Sleep Key will show you specifically which habits are hurting your sleep quality score.
100% PRIVATE AND OFFLINE Your health data is personal. Most sleep apps require you to create an account and upload your intimate bedroom recordings to the cloud. Sleep Key is different. We prioritize on-device processing to ensure your privacy.
WHO IS THIS APP FOR? • People who wake up feeling groggy or exhausted. • Partners trying to prove who snores louder. • Athletes focused on recovery and physical performance. • Bio-hackers interested in the quantified self. • Anyone who wants to understand their health without sacrificing privacy.
Start sleeping better tonight. Download Sleep Key today.
Terms of Use: https://moesaid.com/projects/sleep-key/terms-of-use
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 143.9 MB
- Content rating
- Everyone
Technologies used by Sleep Key - Tracker, Sound
Releases
Updates seen on the App Store- Version
- 1.0.17
- Launched
- January 2026
No changelog data
Alternatives
Similar apps and more from Waqto LLCMore from Waqto LLC
Rankings
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About the app and developer
About Sleep Key - Tracker, Sound
Sleep Key - Tracker, Sound is a health & fitness app developed by Waqto LLC.
What is the rating of Sleep Key - Tracker, Sound?
Sleep Key - Tracker, Sound is rated 4.00 out of 5 stars, based on 6 ratings.
Is Sleep Key - Tracker, Sound free?
Sleep Key - Tracker, Sound is free. The app size is 143.93 MB. The latest version available is 1.0.17. The last update was on March 30, 2026.
What are the requirements for Sleep Key - Tracker, Sound?
The app has a content rating of Everyone. The app has been available on the App Store since January 2026.
Developer information for Waqto LLC
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