# ATKey vs E

The clearest difference is update cadence: ATKey at every 2 days against E's every 5 weeks. ATKey also leads on iOS requirement (9.0 vs 13.0). 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.

ATKey ships an update every 2 days, E every 5 weeks. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ATKey | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Size | 96 MB | 81 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [克勤 刘](https://appshunter.io/developer/1566870371) | [深圳市英威腾电气股份有限公司](https://appshunter.io/developer/1012943436) |

## What reviewers say

### ATKey

[App page](https://appshunter.io/ios/app/atkey/id1564988374)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-debugpro/id6474985537)

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

**In-app purchases:** none


## Frequently asked questions

### Is ATKey free?

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

### Is E free?

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

### Do ATKey or E have ads?

Neither ATKey nor E shows ads.

### Which is updated more often, ATKey or E?

ATKey ships an update every 2 days, and E every 5 weeks. Most recently, ATKey was updated on September 29, 2026 and E on October 10, 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.*