Nocty vs Sleep Tracker
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Nocty
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Waking up refreshed starts with understanding how you rest. Nocty transforms your nightly data into clear, actionable insights. By combining advanced sleep stage analysis with key health vitals, we give you a complete picture of your nightly recharge without the complexity. [Sleep Balance] One night doesn't tell the whole story. We track your cumulative sleep over time to calculate your Sleep Debt or Surplus. [Your Daily Sleep Score] Stop guessing how well you slept. We distill your night into a simple, easy-to-understand Sleep Score. Use it to gauge your energy levels and plan your day. [Detailed Stage Analysis] Deep dive into your hypnogram. Visualize exactly how much time you spent in: - Deep Sleep: For physical recovery. - REM Sleep: For mental clarity and dreaming. - Core/Light Sleep: The foundation of your rest. - Awake Time: See interruptions you might not remember. [Vital Health Metrics] We monitor the metrics that matter for your long-term health: - Resting Heart Rate: Track cardiovascular health. - Heart Rate Variability (HRV): A key indicator of recovery and stress. - Respiration Rate: Keep an eye on nightly breathing patterns. - Blood Oxygen (SpO2): Monitor breathing efficiency. [Beautiful Widgets] Keep your insights front and center. Customize your Home Screen with elegant widgets that display your Sleep Score and Vitals at a glance. Your health data is sensitive, and we treat it that way. Nocty integrates seamlessly with Apple Health to read your data securely. Your sleep analysis happens on your device.
Sleep Tracker
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Sleep Tracker - SLOX helps you monitor and improve your sleep habits with ease! FEATURES: โข Start Sleep Timer โ One-tap sleep tracking with a beautiful moon animation โข Add Records โ Manually log your bedtime, wake time, and sleep quality โข Sleep History โ View all your past sleep records at a glance โข Weekly & Monthly Statistics โ Track your average, best, and worst sleep hours โข Sleep Quality Rating โ Rate your sleep quality with emoji-based feedback โข Sleep Duration Calculator โ Automatically calculates total sleep hours โข Dark Theme โ Easy on your eyes at bedtime โข 15 Languages Supported โ English, Korean, Japanese, Chinese, Spanish, French, German, Portuguese, Italian, Russian, Arabic, Hindi, Thai, Vietnamese, Indonesian Build better sleep habits and wake up refreshed every day! Made by SLOX
Screenshots
Verdict
The clearest difference is iOS requirement: Sleep Tracker at 13.0 against Nocty's 26.0. On price and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Nocty | Sleep Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | โ |
| Ads | No | โ |
| In-app purchases | No | No |
| Devices | iPhone โ better | โ |
| Requires iOS | 26.0 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Ni | SEOKWON YANG |
In-app purchases
Nocty
No in-app purchases
Sleep Tracker
No in-app purchases









