# Booster 教学系统 vs 牽牽手

The clearest difference is update cadence: 牽牽手 at fortnightly against Booster 教学系统's every 2 months. Booster 教学系统's advantage is iOS requirement (9.0 vs 12.0). 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.

Booster 教学系统 ships an update every 2 months, 牽牽手 fortnightly. The most recent releases landed on October 29, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Booster 教学系统 | 牽牽手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 624 MB | 42 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [美樂蒂文教科技興業股份有限公司](https://appshunter.io/developer/1383640935) | [JEN HSIN CHANG](https://appshunter.io/developer/1749925567) |

## What reviewers say

### Booster 教学系统

[App page](https://appshunter.io/ios/app/booster/id1480475182)

**Features:** macOS Compatibility

**In-app purchases:** none


### 牽牽手

[App page](https://appshunter.io/ios/app/id6503678398)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Booster 教学系统 free?

Booster 教学系统 is free to download, with no in-app purchases.

### Is 牽牽手 free?

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

### Do Booster 教学系统 or 牽牽手 have ads?

Neither Booster 教学系统 nor 牽牽手 shows ads.

### Which is updated more often, Booster 教学系统 or 牽牽手?

Booster 教学系统 ships an update every 2 months, and 牽牽手 fortnightly. Most recently, Booster 教学系统 was updated on October 29, 2026 and 牽牽手 on November 4, 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.*