# 灰板 vs Miemie ~ Aowu

The clearest difference is iOS requirement: 灰板 at 13.4 against Miemie ~ Aowu's 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.

## The numbers

| Metric | 灰板 | Miemie ~ Aowu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 45 MB | 4 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenqian Technology (Suzhou) Co., Ltd.](https://appshunter.io/developer/1740059640) | [Chundong Wang](https://appshunter.io/developer/1893978223) |

## What reviewers say

### 灰板

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Miemie ~ Aowu

[App page](https://appshunter.io/ios/app/miemie-aowu/id6762375367)

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

**In-app purchases:** none


## Frequently asked questions

### Is 灰板 free?

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

### Is Miemie ~ Aowu free?

Miemie ~ Aowu is free to download, with no in-app purchases.

### Do 灰板 or Miemie ~ Aowu have ads?

Neither 灰板 nor Miemie ~ Aowu shows ads.

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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.*