# Sharkspeare vs 99乘法大挑戰：九九乘法練習

The clearest difference is in-app purchases: Sharkspeare at none against 99乘法大挑戰：九九乘法練習's 1. Sharkspeare also leads on iOS requirement (15.0 vs 17.0). 99乘法大挑戰：九九乘法練習's advantage is update cadence (weekly vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 99乘法大挑戰：九九乘法練習 sells 1 one-off in-app purchase. Sharkspeare asks for nothing beyond the download.

Sharkspeare ships an update every 4 weeks, 99乘法大挑戰：九九乘法練習 weekly. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sharkspeare | 99乘法大挑戰：九九乘法練習 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Size | 7 MB | 118 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shang-Yun Yeh](https://appshunter.io/developer/1885465013) | [HSIHSUN HO](https://appshunter.io/developer/6774536504) |

## What reviewers say

### Sharkspeare

[App page](https://appshunter.io/ios/app/sharkspeare/id6760641032)

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

**In-app purchases:** none


### 99乘法大挑戰：九九乘法練習

[App page](https://appshunter.io/ios/app/99/id6804374876)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 完整乘法學習・一次買斷 | $4.99 | one-time |


## Frequently asked questions

### Is Sharkspeare free?

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

### Is 99乘法大挑戰：九九乘法練習 free?

99乘法大挑戰：九九乘法練習 is free to download, with in-app purchases available.

### Do Sharkspeare or 99乘法大挑戰：九九乘法練習 have ads?

Neither Sharkspeare nor 99乘法大挑戰：九九乘法練習 shows ads.

### Which is updated more often, Sharkspeare or 99乘法大挑戰：九九乘法練習?

Sharkspeare ships an update every 4 weeks, and 99乘法大挑戰：九九乘法練習 weekly. Most recently, Sharkspeare was updated on October 10, 2026 and 99乘法大挑戰：九九乘法練習 on October 14, 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.*