# 快樂學習注音符號 vs Multiplication 99

The clearest difference is in-app purchases: Multiplication 99 at none against 快樂學習注音符號's 1. 快樂學習注音符號's advantage is ads (none vs shown) and update cadence (every 12 months vs every 31 months). On price and device support there is nothing between them.

Both are free to download. 快樂學習注音符號 sells 1 one-off in-app purchase. Multiplication 99 asks for nothing beyond the download.

快樂學習注音符號 ships an update every 12 months, Multiplication 99 every 31 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 快樂學習注音符號 | Multiplication 99 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/id326275513/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 12 months** | Every 31 months |
| Size | 27 MB | 13 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hung-Yao Chen](https://appshunter.io/developer/318535299) | [Chi-Cheng Liao](https://appshunter.io/developer/1053803113) |

## What reviewers say

### 快樂學習注音符號

[App page](https://appshunter.io/ios/app/id326275513)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 快樂學注音 | Free | one-time |


### Multiplication 99

[App page](https://appshunter.io/ios/app/multiplication-99/id1173794705)

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

**In-app purchases:** none


## Frequently asked questions

### Is 快樂學習注音符號 free?

快樂學習注音符號 is free to download, with in-app purchases available.

### Is Multiplication 99 free?

Multiplication 99 is free to download, with no in-app purchases.

### Do 快樂學習注音符號 or Multiplication 99 have ads?

Multiplication 99 shows ads; 快樂學習注音符號 does not.

### Which is updated more often, 快樂學習注音符號 or Multiplication 99?

快樂學習注音符號 ships an update every 12 months, and Multiplication 99 every 31 months. Most recently, 快樂學習注音符號 was updated on October 23, 2026 and Multiplication 99 on October 29, 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.*