# 九九 掛け算の達人 ! vs 内視鏡技師対策

The clearest difference is price: 九九 掛け算の達人 ! at Free against 内視鏡技師対策's $5.99. 内視鏡技師対策's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

九九 掛け算の達人 ! is free to download; 内視鏡技師対策 costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

九九 掛け算の達人 ! ships an update monthly, 内視鏡技師対策 every 6 weeks. The most recent releases landed on September 6, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 九九 掛け算の達人 ! | 内視鏡技師対策 |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/2/id1628035452/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 155 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ohmori Takeru](https://appshunter.io/developer/969791681) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### 九九 掛け算の達人 !

[App page](https://appshunter.io/ios/app/2/id1628035452)

This educational game helps children master multiplication tables. It offers a fun way to practice essential math skills for second graders.

**Highlights:** Multiplication study, Math game, Suitable for second graders, Practice 99 multiplication tables

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

**In-app purchases:** none


### 内視鏡技師対策

[App page](https://appshunter.io/ios/app/id6769342632)

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

**In-app purchases:** none


## Frequently asked questions

### Is 九九 掛け算の達人 ! free?

九九 掛け算の達人 ! is free to download, with no in-app purchases.

### Is 内視鏡技師対策 free?

内視鏡技師対策 costs $5.99, with no in-app purchases.

### Do 九九 掛け算の達人 ! or 内視鏡技師対策 have ads?

九九 掛け算の達人 ! shows ads; 内視鏡技師対策 does not.

### Which is updated more often, 九九 掛け算の達人 ! or 内視鏡技師対策?

九九 掛け算の達人 ! ships an update monthly, and 内視鏡技師対策 every 6 weeks. Most recently, 九九 掛け算の達人 ! was updated on September 6, 2026 and 内視鏡技師対策 on September 12, 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.*