# e vs atk

The clearest difference is update cadence: atk at every 2 weeks against e's every 3 months. e's advantage is iOS requirement (8.0 vs 15.0). 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.

e ships an update every 3 months, atk every 2 weeks. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | e | atk |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 46 MB | 73 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [深圳市众仪电测科技有限公司](https://appshunter.io/developer/1490956037) | [军 刘](https://appshunter.io/developer/1811358184) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-bull/id1490956038)

**Features:** macOS Compatibility

**In-app purchases:** none


### atk

[App page](https://appshunter.io/ios/app/atk-xtool/id6746311841)

This utility app facilitates Bluetooth debugging for instruments and meters. It allows for seamless connection and control of various devices.

**Highlights:** Bluetooth connectivity, Instrument debugging, Meter control, Device pairing, Real-time data transfer

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

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is atk free?

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

### Do e or atk have ads?

Neither e nor atk shows ads.

### Which is updated more often, e or atk?

e ships an update every 3 months, and atk every 2 weeks. Most recently, e was updated on October 3, 2026 and atk on October 19, 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.*