# 美亚TPR平台：教学、实践、研究等系列平台 vs Castograph

The clearest difference is in-app purchases: 美亚TPR平台：教学、实践、研究等系列平台 at none against Castograph's 2. 美亚TPR平台：教学、实践、研究等系列平台 also leads on ads (none vs shown) and iOS requirement (12.0 vs 18.2). Castograph's advantage is update cadence (every 4 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. Castograph sells 2 in-app purchases, starting at $1.99 per month. 美亚TPR平台：教学、实践、研究等系列平台 asks for nothing beyond the download.

美亚TPR平台：教学、实践、研究等系列平台 ships an update every 5 weeks, Castograph every 4 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 美亚TPR平台：教学、实践、研究等系列平台 | Castograph |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 49 MB | 49 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [美亚联创](https://appshunter.io/developer/1583581049) | [CHANSU KIM](https://appshunter.io/developer/1680914977) |

## What reviewers say

### 美亚TPR平台：教学、实践、研究等系列平台

[App page](https://appshunter.io/ios/app/tpr/id6475341246)

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

**In-app purchases:** none


### Castograph

[App page](https://appshunter.io/ios/app/castograph-dance-formation/id6762937044)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is 美亚TPR平台：教学、实践、研究等系列平台 free?

美亚TPR平台：教学、实践、研究等系列平台 is free to download, with no in-app purchases.

### Is Castograph free?

Castograph is free to download, with in-app purchases available.

### Do 美亚TPR平台：教学、实践、研究等系列平台 or Castograph have ads?

Castograph shows ads; 美亚TPR平台：教学、实践、研究等系列平台 does not.

### Which is updated more often, 美亚TPR平台：教学、实践、研究等系列平台 or Castograph?

美亚TPR平台：教学、实践、研究等系列平台 ships an update every 5 weeks, and Castograph every 4 days. Most recently, 美亚TPR平台：教学、实践、研究等系列平台 was updated on October 16, 2026 and Castograph on October 10, 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.*