NightWell:Smart Sleep Tracker
NightWell:Smart Sleep Tracker Summary
NightWell:Smart Sleep Tracker is a with in-app purchases iOS app in Health And Fitness by 株式会社C2. Released in May 2014 (11 years ago). It has 28 ratings with a 4.50★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 129 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Mar 23, 2026.
Data tracking: SDKs and third-party integrations were last analyzed on Feb 11, 2025.
Store info: Last updated on App Store on Mar 23, 2026 .
4.5★
Ratings: 28
Screenshots
App Description
Discover deeper, more restful nights with NightWell, your smart sleep companion.
Track sleep patterns, monitor snoring, and wake up gently with intelligent alarms designed around your natural rhythm.
Gain personalized insights to improve your rest, energy, and focus every day.
Calm sounds and mindful tips help you relax before bed and rise refreshed in the morning.
====Features====
NightWell is a multi-functional alarm clock designed to support and improve your sleep. For people who have trouble falling asleep or waking up refreshed, it has a lot of amazing functions to improve their sleep habits.
◆Lull Sounds
The healing lull sound will be played to induce peaceful sleep. This is very good for people who suffer from insomnia, who have trouble falling asleep or who need to relax more in sleeping.
◆Smart Alarm
This is available for those who always wake up feeling tired, who turn off the alarm only to fall back to sleep or who have trouble waking up in the morning due to hypotension. This monitors body movements using accelerometer in your smartphone and activates the alarm when you're in light sleep.
◆Sleep Report
If you use this app every day, you can get your own report analyzing your sleep in various aspects. This report detects your sleep cycle and provide you with the tips to sleep better.
◆Cloud Service
This is the service to keep all of your Sleep Log on the dedicated server safely.
When you change your device, you can transfer the data from your old device to the new one. This is a free service.
◆Connect NightWell to Health app
You can connect NightWell to iOS Health app. By turning ON the connection and log your sleep by NightWell, your bedtime and wake up time are automatically updated to the Health app.
◆Others
・Wake-up task provides strong support for your awakening.
・Fade-In in the alarm sound wakes you up gently.
===="Premium" Subscriptions ====
●By purchasing the subscription, all Premium features are available for free and all in-app ads are hidden.
●The subscription fee will be charged to your Apple ID.
●Use the free trial (one per Apple ID).
●The subscription fee will be charged within 24 hours before the free trial ends. To avoid charges, cancel the subscription at least 24 hours before the free trial ends.
●The monthly/annual subscription fee will be charged within 24 hours before the current subscription