# ARUgreen vs CSA Edu

The clearest difference is update cadence: CSA Edu at every 3 weeks against ARUgreen's every 2 months. CSA Edu also leads on iOS requirement (13.0 vs 15.1). 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.

ARUgreen ships an update every 2 months, CSA Edu every 3 weeks. The most recent releases landed on September 15, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ARUgreen | CSA Edu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 55 MB | 97 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Green Rewards Ltd](https://appshunter.io/developer/909021443) | [CSI Training and Events Ltd](https://appshunter.io/developer/1658327364) |

## What reviewers say

### ARUgreen

[App page](https://appshunter.io/ios/app/arugreen/id1462773105)

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

**In-app purchases:** none


### CSA Edu

[App page](https://appshunter.io/ios/app/csa-edu/id1529088706)

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

**In-app purchases:** none


## Frequently asked questions

### Is ARUgreen free?

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

### Is CSA Edu free?

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

### Do ARUgreen or CSA Edu have ads?

Neither ARUgreen nor CSA Edu shows ads.

### Which is updated more often, ARUgreen or CSA Edu?

ARUgreen ships an update every 2 months, and CSA Edu every 3 weeks. Most recently, ARUgreen was updated on September 15, 2026 and CSA Edu on September 21, 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.*