# 教城教師 vs TTCApp by TTCA

The clearest difference is update cadence: TTCApp by TTCA at every 5 days against 教城教師's every 3 weeks. 教城教師's advantage is iOS requirement (15.1 vs 17.6). 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.

教城教師 ships an update every 3 weeks, TTCApp by TTCA every 5 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 教城教師 | TTCApp by TTCA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 37 MB | 13 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong Education City Limited](https://appshunter.io/developer/672104764) | [Yuk Man Ng](https://appshunter.io/developer/1882958112) |

## What reviewers say

### 教城教師

[App page](https://appshunter.io/ios/app/id1664047385)

**Features:** Vision Pro support

**In-app purchases:** none


### TTCApp by TTCA

[App page](https://appshunter.io/ios/app/ttcapp-by-ttca/id6761507305)

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

**In-app purchases:** none


## Frequently asked questions

### Is 教城教師 free?

教城教師 is free to download, with no in-app purchases.

### Is TTCApp by TTCA free?

TTCApp by TTCA is free to download, with no in-app purchases.

### Do 教城教師 or TTCApp by TTCA have ads?

Neither 教城教師 nor TTCApp by TTCA shows ads.

### Which is updated more often, 教城教師 or TTCApp by TTCA?

教城教師 ships an update every 3 weeks, and TTCApp by TTCA every 5 days. Most recently, 教城教師 was updated on October 2, 2026 and TTCApp by TTCA on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*