# PE vs StudyTool

The clearest difference is update cadence: StudyTool at every 2 months against PE's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PE ships an update every 4 months, StudyTool every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PE | StudyTool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 35 MB | 16 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Xaurum](https://appshunter.io/developer/1201802213) | [Neo Software B.V.](https://appshunter.io/developer/1615973185) |

## What reviewers say

### PE

[App page](https://appshunter.io/ios/app/pe-online/id1201802214)

**Features:** macOS Compatibility

**In-app purchases:** none


### StudyTool

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PE free?

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

### Is StudyTool free?

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

### Do PE or StudyTool have ads?

Neither PE nor StudyTool shows ads.

### Which is updated more often, PE or StudyTool?

PE ships an update every 4 months, and StudyTool every 2 months. Most recently, PE was updated on November 7, 2026 and StudyTool 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.*