# Yatta! vs 九九

The clearest difference is in-app purchases: Yatta! at none against 九九's 1. Yatta! also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 九九 sells 1 one-off in-app purchase. Yatta! asks for nothing beyond the download.

## The numbers

| Metric | Yatta! | 九九 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/easy/id1611285814/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 109 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BUNKEIDO CO.,LTD.](https://appshunter.io/developer/545565481) | [Sumie Watanabe](https://appshunter.io/developer/1349237972) |

## What reviewers say

### Yatta!

[App page](https://appshunter.io/ios/app/yatta/id1569793278)

**Features:** macOS Compatibility

**In-app purchases:** none


### 九九

[App page](https://appshunter.io/ios/app/easy/id1611285814)

This app offers a comprehensive multiplication and word problem learning experience with randomized practice questions. It includes a review mode for incorrect answers and is free to use with optional ad removal via in-app purchase.

**Highlights:** Randomized multiplication problems, Word problem practice, Review mode for incorrect answers, Calendar feature, Name and icon display for submissions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 九九アプリバナー広告非表示 | $1.99 | one-time |


## Frequently asked questions

### Is Yatta! free?

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

### Is 九九 free?

九九 is free to download, with in-app purchases available.

### Do Yatta! or 九九 have ads?

九九 shows ads; Yatta! does not.

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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.*