# Purple Study vs EDN Pro

The clearest difference is iOS requirement: Purple Study at 13.0 against EDN Pro's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Purple Study ships an update monthly, EDN Pro every 2 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Purple Study | EDN Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 110 MB | 34 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PURPLE STUDY](https://appshunter.io/developer/1896514816) | [EDNPRO](https://appshunter.io/developer/6787078532) |

## What reviewers say

### Purple Study

[App page](https://appshunter.io/ios/app/purple-study/id6767856530)

**Features:** Vision Pro support

**In-app purchases:** none


### EDN Pro

[App page](https://appshunter.io/ios/app/edn-pro/id6787078529)

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

**In-app purchases:** none


## Frequently asked questions

### Is Purple Study free?

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

### Is EDN Pro free?

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

### Do Purple Study or EDN Pro have ads?

Neither Purple Study nor EDN Pro shows ads.

### Which is updated more often, Purple Study or EDN Pro?

Purple Study ships an update monthly, and EDN Pro every 2 weeks. Most recently, Purple Study was updated on October 31, 2026 and EDN Pro on November 5, 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.*