# 美數學院 vs TPLN

The clearest difference is update cadence: TPLN at every 2 weeks against 美數學院's every 18 months. TPLN also leads on device support and iOS requirement (12.0 vs 15.0). On price 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.

美數學院 ships an update every 18 months, TPLN every 2 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 美數學院 | TPLN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 18 months | **Every 2 weeks** |
| Size | 196 MB | 69 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) | [托普朗宁(北京)教育科技有限公司](https://appshunter.io/developer/1536358520) |

## What reviewers say

### 美數學院

[App page](https://appshunter.io/ios/app/id6472878595)

**In-app purchases:** none


### TPLN

[App page](https://appshunter.io/ios/app/tpln/id6504551415)

**In-app purchases:** none


## Frequently asked questions

### Is 美數學院 free?

美數學院 is free to download, with no in-app purchases.

### Is TPLN free?

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

### Which is updated more often, 美數學院 or TPLN?

美數學院 ships an update every 18 months, and TPLN every 2 weeks. Most recently, 美數學院 was updated on October 24, 2026 and TPLN on October 30, 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.*