# August International App vs Study Timer Study Rainbow

The clearest difference is in-app purchases: August International App at none against Study Timer Study Rainbow's 4. August International App also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.4). Study Timer Study Rainbow's advantage is update cadence (every 5 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Study Timer Study Rainbow sells 4 in-app purchases, starting at $0.49 per month. August International App asks for nothing beyond the download.

August International App ships an update every 3 weeks, Study Timer Study Rainbow every 5 days. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | August International App | Study Timer Study Rainbow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 72 MB | 37 MB |
| Requires iOS | **15.6** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [August International Pte Ltd](https://appshunter.io/developer/1690108505) | [Toshiaki Nakamura](https://appshunter.io/developer/822485897) |

## What reviewers say

### August International App

[App page](https://appshunter.io/ios/app/august-international-app/id6714473552)

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

**In-app purchases:** none


### Study Timer Study Rainbow

[App page](https://appshunter.io/ios/app/study-timer-study-rainbow/id6780163715)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Support Monthly | $0.49 | per month |
| Plus Monthly | $1.99 | per month |
| Student Support Yearly | $5.99 | per year |
| Plus Yearly | $19.99 | per year |


## Frequently asked questions

### Is August International App free?

August International App is free to download, with no in-app purchases.

### Is Study Timer Study Rainbow free?

Study Timer Study Rainbow is free to download, with in-app purchases available.

### Do August International App or Study Timer Study Rainbow have ads?

Neither August International App nor Study Timer Study Rainbow shows ads.

### Which is updated more often, August International App or Study Timer Study Rainbow?

August International App ships an update every 3 weeks, and Study Timer Study Rainbow every 5 days. Most recently, August International App was updated on September 22, 2026 and Study Timer Study Rainbow on September 18, 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.*