# Sleep Diary App vs Better Sleep Diary

The clearest difference is rating: Better Sleep Diary at 4.3 against Sleep Diary App's 3.5. Better Sleep Diary also leads on review sentiment (100% vs 59%) and in-app purchases (none vs 3). Sleep Diary App's advantage is ratings volume (23 vs 3) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Sleep Diary App sells 3 one-off in-app purchases. Better Sleep Diary asks for nothing beyond the download.

Better Sleep Diary holds the better App Store score, 4.3 against 3.5. That said, the two scores are not equally well evidenced: Sleep Diary App has 23 ratings behind it against 3, 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 Better Sleep Diary's.

Sleep Diary App ships an update fortnightly, Better Sleep Diary every 2 days. The most recent releases landed on September 19, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Sleep Diary App | Better Sleep Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (23 ratings)](https://appshunter.io/ios/app/sleep-diary-app/id964733439/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/better-sleep-diary/id6754345892/reviews)** |
| Number of ratings | **23** | 3 |
| Positive reviews | 59.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 3 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Ivanov](https://appshunter.io/developer/734258593) | [Gruffydd Johnston](https://appshunter.io/developer/1651486785) |

## 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 |


### Better Sleep Diary

[App page](https://appshunter.io/ios/app/better-sleep-diary/id6754345892)

Log your nightly sleep details and factors that may impact it. See trends over time with simple charts and summaries to understand patterns and make better decisions about your sleep.

**Highlights:** Record nightly sleep details, Note impacting factors, Add custom notes, View sleep trends over time, Track changes from new habits, See simple charts and summaries

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Diary App free?

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

### Is Better Sleep Diary free?

Better Sleep Diary is free to download, with no in-app purchases.

### Which has better reviews, Sleep Diary App or Better Sleep Diary?

Better Sleep Diary is rated higher. Sleep Diary App averages 3.5 out of 5 from 23 ratings, while Better Sleep Diary averages 4.3 from 3 ratings.

### Do Sleep Diary App or Better Sleep Diary have ads?

Neither Sleep Diary App nor Better Sleep Diary shows ads.

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

Sleep Diary App ships an update fortnightly, and Better Sleep Diary every 2 days. Most recently, Sleep Diary App was updated on September 19, 2026 and Better Sleep Diary on August 14, 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.*