Sleep Diary App vs Sleep Cycle Simple Calculator
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 Simple Calculator
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Wake up feeling energized and refreshed every single day! Did you know that waking up in the middle of a deep sleep cycle is the main cause of morning grogginess? Your body sleeps in natural sleep cycles, and waking up at the end of a cycle ensures you feel alert and ready to tackle the day. Sleep Cycle Simple Calculator takes the guesswork out of your bedtime routine. Whether you are heading to bed right now or need to wake up for an early meeting, our app calculates the perfect time for you to set your alarm. Dark Mode Support: A user interface that is easy on the eyes for late-night use. Stop guessing and start sleeping better. Download Sleep Cycle Simple Calculator today and master your mornings
Screenshots
Verdict
The clearest difference is in-app purchases: Sleep Cycle Simple Calculator at none against Sleep Diary App's 3. Sleep Cycle Simple Calculator also leads on update cadence (every 2 days vs fortnightly). Sleep Diary App's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support 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. Sleep Cycle Simple Calculator asks for nothing beyond the download.
Sleep Diary App ships an update fortnightly, Sleep Cycle Simple Calculator every 2 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | Sleep Diary App | Sleep Cycle Simple Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (24 ratings) — better | — |
| Positive reviews | 59.0% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 5 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Ivanov | Marius Kuzminskas |
In-app purchases
Sleep Diary App
- Apple$0.99
- Salad$2.99
- Bag of healthy food$9.99
Sleep Cycle Simple Calculator
No in-app purchases
Questions
Is Sleep Diary App free?
Is Sleep Cycle Simple Calculator free?
Do Sleep Diary App or Sleep Cycle Simple Calculator have ads?
Which is updated more often, Sleep Diary App or Sleep Cycle Simple Calculator?
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