# Memorize Numbers Challenge vs RemNum 〜 数字を暗記するだけのアプリ

The clearest difference is in-app purchases: RemNum 〜 数字を暗記するだけのアプリ at none against Memorize Numbers Challenge's 2. RemNum 〜 数字を暗記するだけのアプリ also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 14 months). On price and device support there is nothing between them.

Both are free to download. Memorize Numbers Challenge sells 2 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.

Memorize Numbers Challenge ships an update every 14 months, RemNum 〜 数字を暗記するだけのアプリ every 3 weeks. The most recent releases landed on July 18, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | Memorize Numbers Challenge | RemNum 〜 数字を暗記するだけのアプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (4 ratings)](https://appshunter.io/ios/app/memorize-numbers-challenge/id1639869844/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 48 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oguzhan Selcuk Bulbul](https://appshunter.io/developer/1605468143) | [yoshitomo ishii](https://appshunter.io/developer/1495140436) |

## What reviewers say

### Memorize Numbers Challenge

[App page](https://appshunter.io/ios/app/memorize-numbers-challenge/id1639869844)

Test your memory by memorizing random numbers shown for a limited time. As you succeed, the numbers get longer and more challenging. Compete with friends and exercise your brain with this engaging memory game.

**Highlights:** Memorize random numbers, Increasingly difficult levels, Timed memorization (3 seconds), Type numbers correctly, Challenge friends, Brain exercise

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Coins | $3.99 | one-time |
| 3000 Coins | $9.99 | one-time |


### 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


## Frequently asked questions

### Is Memorize Numbers Challenge free?

Memorize Numbers Challenge is free to download, with in-app purchases available.

### 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.

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

Memorize Numbers Challenge shows ads; RemNum 〜 数字を暗記するだけのアプリ does not.

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

Memorize Numbers Challenge ships an update every 14 months, and RemNum 〜 数字を暗記するだけのアプリ every 3 weeks. Most recently, Memorize Numbers Challenge was updated on July 18, 2026 and RemNum 〜 数字を暗記するだけのアプリ on May 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.*