# 钢琴家 vs Minimal Knowledge

The clearest difference is iOS requirement: 钢琴家 at 15.6 against Minimal Knowledge's 26.0. 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 | 钢琴家 | Minimal Knowledge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 105 MB | 1 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [HAILUN PIANO CO., LTD.](https://appshunter.io/developer/1104870330) | [成云 郑](https://appshunter.io/developer/1499241004) |

## What reviewers say

### 钢琴家

[App page](https://appshunter.io/ios/app/id1446537549)

**Features:** macOS Compatibility

**In-app purchases:** none


### Minimal Knowledge

[App page](https://appshunter.io/ios/app/minimal-knowledge/id6755152854)

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

**In-app purchases:** none


## Frequently asked questions

### Is 钢琴家 free?

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

### Is Minimal Knowledge free?

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

### Do 钢琴家 or Minimal Knowledge have ads?

Neither 钢琴家 nor Minimal Knowledge 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.*