# StudyTool vs Su Leri II

The clearest difference is in-app purchases: StudyTool at none against Su Leri II's 2. StudyTool also leads on update cadence (every 2 months vs every 42 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Su Leri II sells 2 in-app purchases, starting at $3.49 per month. StudyTool asks for nothing beyond the download.

StudyTool ships an update every 2 months, Su Leri II every 42 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | StudyTool | Su Leri II |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 42 months |
| Size | 16 MB | 42 MB |
| Requires iOS | **12.0** | 13.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Neo Software B.V.](https://appshunter.io/developer/1615973185) | [aaron balrak](https://appshunter.io/developer/1574361872) |

## What reviewers say

### StudyTool

[App page](https://appshunter.io/ios/app/studytool/id1629886929)

**Features:** macOS Compatibility

**In-app purchases:** none


### Su Leri II

[App page](https://appshunter.io/ios/app/su-leri-ii/id1643607537)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $3.49 | per month |
| Pro Access | $27.99 | per year |


## Frequently asked questions

### Is StudyTool free?

StudyTool is free to download, with no in-app purchases.

### Is Su Leri II free?

Su Leri II is free to download, with in-app purchases available.

### Do StudyTool or Su Leri II have ads?

Neither StudyTool nor Su Leri II shows ads.

### Which is updated more often, StudyTool or Su Leri II?

StudyTool ships an update every 2 months, and Su Leri II every 42 months. Most recently, StudyTool was updated on November 3, 2026 and Su Leri II on November 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.*