Sleep Diary App vs Sleep Cycle Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sleep Diary App
Easily log your sleep durations to analyze your health and become more conscious of your sleep patterns. This app integrates with Apple Health to share your sleep data seamlessly. iPhone 6 users can also track atmospheric pressure changes during sleep.
- Log sleep durations
- Analyze sleep health
- Connect with Apple Health
- Share sleep data
- Monitor atmospheric pressure (iPhone 6)
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Sleep Diary is a convenient way to record duration of sleep to analyze your health. We spend about a third part of our life sleeping. Time came to become more conscious about it with a Sleep Diary. This app will help you easily log your sleep durations to the standard Health app. No gadgets required. In addition, lucky owners of iPhone 6 can monitor how atmospheric pressure changed during their sleep. Connect with Apple Health Connect Sleep Diary to Apple's Health to share your sleep data between them. App will ask you to turn reading and writing of sleep analysis data automatically after the first launch.
Sleep Cycle Tracker
This app offers a unique blend of curated sounds, compelling stories, and soothing music to alleviate stress, reduce anxiety, and enhance sleep quality. It provides a user-friendly interface with personalized relaxation experiences and unguided relaxation paths.
- Curated sound library
- Bedtime stories
- Calming music
- User-friendly design
- Customizable playlists
- Unguided relaxation paths
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Harmony, Balance Mind and Body, brings you the ultimate relaxation experience, setting itself apart in a crowded wellness app market. Unlike other apps, Harmony offers a unique blend of carefully curated sounds, compelling stories, and soothing music designed to alleviate stress, reduce anxiety, and enhance sleep quality. Diverse Content: From the gentle whisper of rain to the serene sounds of the forest, our expansive sound library caters to all preferences. Coupled with engaging bedtime stories and calming music, Harmony offers a holistic approach to relaxation and sleep. User-Friendly Design: With a focus on simplicity and ease of use, Harmony ensures a seamless experience for all users. Navigate effortlessly through our content and find your perfect relaxation theme with just a few taps. Personalized Experiences: Tailor your relaxation journey with customizable playlists and settings that adapt to your personal preferences and needs, provides a richer variety of content, including music and stories, fostering a deeper and more varied relaxation experience. Harmony’s strength lies in its unguided relaxation paths, giving users the freedom to choose how they unwind without the guidance of a narrator. Our targeted approach to relaxation and mental well-being ensures that whether you're looking to reduce stress, conquer insomnia, or simply unwind after a long day, Harmony has something special for you. Discover the tranquility and peace that come from being in balance with your mind and body. Join thousands of users who have transformed their bedtime routines and daily stress relief practices with Harmony. Dive into a world where each sound and note brings you closer to serenity. By downloading our app, you're stepping into a journey of self-improvement and positive habit building. To ensure a smooth experience, we kindly ask you to review our Terms of Use (EULA), you can find them here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Visit our website at https://www.relaxingharmony.app/ for more information or contact us for support at contact@theready.app. Your best self is just a click away with Ready - self improvement app!
Screenshots
Verdict
The clearest difference is rating: Sleep Cycle Tracker at 5.0 against Sleep Diary App's 3.5. Sleep Cycle Tracker also leads on review sentiment (100% vs 59%). Sleep Diary App's advantage is ratings volume (23 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sleep Diary App sells 3 one-off in-app purchases and Sleep Cycle Tracker sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Sleep Cycle Tracker holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Sleep Diary App has 23 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 59% of Sleep Diary App's written reviews are positive against 100% of Sleep Cycle Tracker's.
Sleep Diary App ships an update fortnightly, Sleep Cycle Tracker monthly. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.
| Parameter | Sleep Diary App | Sleep Cycle Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (23 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 59.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 23 — better | 1 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 5 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Ivanov | Ready Apps LLC (WA) |
Customer experience
Sleep Diary App
Sleep Cycle Tracker
In-app purchases
Sleep Diary App
- Apple$0.99
- Salad$2.99
- Bag of healthy food$9.99
Sleep Cycle Tracker
- Monthly Subscription$1.991 Month
- Yearly Subscription7 Days trial$9.991 Year
- Lifetime subscription$19.99
Questions
Is Sleep Diary App free?
Is Sleep Cycle Tracker free?
Which has better reviews, Sleep Diary App or Sleep Cycle Tracker?
Do Sleep Diary App or Sleep Cycle Tracker have ads?
Which is updated more often, Sleep Diary App or Sleep Cycle Tracker?
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