# Sleep Diary App vs Sleep Cycle Tracker

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.

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.

## The numbers

| Metric | Sleep Diary App | Sleep Cycle Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (23 ratings)](https://appshunter.io/ios/app/sleep-diary-app/id964733439/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sleep-cycle-tracker-harmoni/id6498994045/reviews)** |
| Number of ratings | **23** | 1 |
| Positive reviews | 59.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 5 MB | 104 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Ivanov](https://appshunter.io/developer/734258593) | [Ready Apps LLC (WA)](https://appshunter.io/developer/1703345490) |

## What reviewers say

### Sleep Diary App

[App page](https://appshunter.io/ios/app/sleep-diary-app/id964733439)

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.

**Highlights:** Log sleep durations, Analyze sleep health, Connect with Apple Health, Share sleep data, Monitor atmospheric pressure (iPhone 6)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apple | $0.99 | one-time |
| Salad | $2.99 | one-time |
| Bag of healthy food | $9.99 | one-time |


### Sleep Cycle Tracker

[App page](https://appshunter.io/ios/app/sleep-cycle-tracker-harmoni/id6498994045)

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.

**Highlights:** Curated sound library, Bedtime stories, Calming music, User-friendly design, Customizable playlists, Unguided relaxation paths

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Lifetime subscription | $19.99 | one-time |


## Frequently asked questions

### Is Sleep Diary App free?

Sleep Diary App is free to download, with in-app purchases available.

### Is Sleep Cycle Tracker free?

Sleep Cycle Tracker is free to download, with in-app purchases available.

### Which has better reviews, Sleep Diary App or Sleep Cycle Tracker?

Sleep Cycle Tracker is rated higher. Sleep Diary App averages 3.5 out of 5 from 23 ratings, while Sleep Cycle Tracker averages 5.0 from 1 ratings.

### Do Sleep Diary App or Sleep Cycle Tracker have ads?

Neither Sleep Diary App nor Sleep Cycle Tracker shows ads.

### Which is updated more often, Sleep Diary App or Sleep Cycle Tracker?

Sleep Diary App ships an update fortnightly, and Sleep Cycle Tracker monthly. Most recently, Sleep Diary App was updated on October 14, 2026 and Sleep Cycle Tracker on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*