# RemNum 〜 数字を暗記するだけのアプリ vs Avoid Blocks

The clearest difference is price: RemNum 〜 数字を暗記するだけのアプリ at Free against Avoid Blocks's $2.99. RemNum 〜 数字を暗記するだけのアプリ also leads on in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 11 months). On ads, device support and iOS requirement there is nothing between them.

RemNum 〜 数字を暗記するだけのアプリ is free to download; Avoid Blocks costs $2.99 up front. Avoid Blocks sells 3 one-off in-app purchases. RemNum 〜 数字を暗記するだけのアプリ asks for nothing beyond the download.

RemNum 〜 数字を暗記するだけのアプリ ships an update every 3 weeks, Avoid Blocks every 11 months. The most recent releases landed on May 14, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | RemNum 〜 数字を暗記するだけのアプリ | Avoid Blocks |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Size | 48 MB | 41 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yoshitomo ishii](https://appshunter.io/developer/1495140436) | [Ethisham Niazi](https://appshunter.io/developer/1777866577) |

## What reviewers say

### RemNum 〜 数字を暗記するだけのアプリ

[App page](https://appshunter.io/ios/app/remnum/id6504561429)

**Features:** macOS Compatibility

**In-app purchases:** none


### Avoid Blocks

[App page](https://appshunter.io/ios/app/avoid-blocks-reflex-game/id6738196958)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Retries | $0.99 | one-time |
| 500 Retries | $2.99 | one-time |
| 1000 Retries | $4.99 | one-time |


## Frequently asked questions

### Is RemNum 〜 数字を暗記するだけのアプリ free?

RemNum 〜 数字を暗記するだけのアプリ is free to download, with no in-app purchases.

### Is Avoid Blocks free?

Avoid Blocks costs $2.99, and also offers in-app purchases.

### Do RemNum 〜 数字を暗記するだけのアプリ or Avoid Blocks have ads?

Neither RemNum 〜 数字を暗記するだけのアプリ nor Avoid Blocks shows ads.

### Which is updated more often, RemNum 〜 数字を暗記するだけのアプリ or Avoid Blocks?

RemNum 〜 数字を暗記するだけのアプリ ships an update every 3 weeks, and Avoid Blocks every 11 months. Most recently, RemNum 〜 数字を暗記するだけのアプリ was updated on May 14, 2026 and Avoid Blocks on September 7, 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.*