# Digital AIKey vs Erosion 蚀

The clearest difference is update cadence: Erosion 蚀 at fortnightly against Digital AIKey's every 5 months. Digital AIKey's advantage is iOS requirement (13.0 vs 17.6). 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.

Digital AIKey ships an update every 5 months, Erosion 蚀 fortnightly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Digital AIKey | Erosion 蚀 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Size | 68 MB | 1 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [深圳市艾米通信有限公司](https://appshunter.io/developer/1456334094) | [名哲 张](https://appshunter.io/developer/1879661087) |

## What reviewers say

### Digital AIKey

[App page](https://appshunter.io/ios/app/digital-aikey/id6448019305)

**Features:** macOS Compatibility

**In-app purchases:** none


### Erosion 蚀

[App page](https://appshunter.io/ios/app/erosion/id6761682068)

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

**In-app purchases:** none


## Frequently asked questions

### Is Digital AIKey free?

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

### Is Erosion 蚀 free?

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

### Do Digital AIKey or Erosion 蚀 have ads?

Neither Digital AIKey nor Erosion 蚀 shows ads.

### Which is updated more often, Digital AIKey or Erosion 蚀?

Digital AIKey ships an update every 5 months, and Erosion 蚀 fortnightly. Most recently, Digital AIKey was updated on November 7, 2026 and Erosion 蚀 on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*