# Sleep Diary App vs Sleep App：Sleep Tracker, Sound

The clearest difference is in-app purchases: Sleep App：Sleep Tracker, Sound at none against Sleep Diary App's 3. Sleep Diary App's advantage is update cadence (fortnightly vs monthly) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

Sleep Diary App ships an update fortnightly, Sleep App：Sleep Tracker, Sound monthly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sleep Diary App | Sleep App：Sleep Tracker, Sound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (24 ratings)](https://appshunter.io/ios/app/sleep-diary-app/id964733439/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 59.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 11 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Ivanov](https://appshunter.io/developer/734258593) | [PORTSUN BIOTECH LIMITED](https://appshunter.io/developer/1700670617) |

## 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 App：Sleep Tracker, Sound

[App page](https://appshunter.io/ios/app/sleep-appsleep-tracker-sound/id6756601144)

**Features:** macOS Compatibility

**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 Sleep App：Sleep Tracker, Sound free?

Sleep App：Sleep Tracker, Sound is free to download, with no in-app purchases.

### Do Sleep Diary App or Sleep App：Sleep Tracker, Sound have ads?

Neither Sleep Diary App nor Sleep App：Sleep Tracker, Sound shows ads.

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

Sleep Diary App ships an update fortnightly, and Sleep App：Sleep Tracker, Sound monthly. Most recently, Sleep Diary App was updated on November 1, 2026 and Sleep App：Sleep Tracker, Sound on October 30, 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.*