# 99鬼退治~99×99の問題に答えて鬼を倒そう vs Block worm

The clearest difference is iOS requirement: Block worm at 14.0 against 99鬼退治~99×99の問題に答えて鬼を倒そう's 18.2. On price and in-app purchases there is nothing between them.

Both are free to download. 99鬼退治~99×99の問題に答えて鬼を倒そう sells 3 in-app purchases, starting at $2.99 per month and Block worm sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 99鬼退治~99×99の問題に答えて鬼を倒そう | Block worm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | — |
| Update frequency | Daily | — |
| Size | 29 MB | 35 MB |
| Requires iOS | 18.2 | **14.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Yusaku Fujita](https://appshunter.io/developer/1506740830) | [Kerofen games](https://appshunter.io/developer/1862100546) |

## What reviewers say

### 99鬼退治~99×99の問題に答えて鬼を倒そう

[App page](https://appshunter.io/ios/app/999999/id6755892796)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン　月額 | $2.99 | per month |
| プレミアムプラン 年額 | $24.99 | per year |
| リトライ機能 | $0.49 | one-time |


### Block worm

[App page](https://appshunter.io/ios/app/block-worm/id6756657079)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $0.99 | one-time |


## Frequently asked questions

### Is 99鬼退治~99×99の問題に答えて鬼を倒そう free?

99鬼退治~99×99の問題に答えて鬼を倒そう is free to download, with in-app purchases available.

### Is Block worm free?

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

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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.*