# 灰板 vs achei

The clearest difference is update cadence: achei at every 2 weeks against 灰板's every 2 months. 灰板's advantage is device support (3 vs 1) and iOS requirement (13.4 vs 17.0). On price, 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.

灰板 ships an update every 2 months, achei every 2 weeks. The most recent releases landed on June 11, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 灰板 | achei |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 45 MB | 17 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Shenqian Technology (Suzhou) Co., Ltd.](https://appshunter.io/developer/1740059640) | [WooSync (Shanghai) Technology Co., Ltd](https://appshunter.io/developer/1766014898) |

## What reviewers say

### 灰板

[App page](https://appshunter.io/ios/app/id6483210175)

**Features:** macOS Compatibility

**In-app purchases:** none


### achei

[App page](https://appshunter.io/ios/app/achei/id6670375901)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 灰板 free?

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

### Is achei free?

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

### Do 灰板 or achei have ads?

Neither 灰板 nor achei shows ads.

### Which is updated more often, 灰板 or achei?

灰板 ships an update every 2 months, and achei every 2 weeks. Most recently, 灰板 was updated on June 11, 2026 and achei on September 11, 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.*