# RemNum 〜 数字を暗記するだけのアプリ vs Image Slide Puzzle

The clearest difference is ads: RemNum 〜 数字を暗記するだけのアプリ at none against Image Slide Puzzle's shown. RemNum 〜 数字を暗記するだけのアプリ also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RemNum 〜 数字を暗記するだけのアプリ ships an update every 3 weeks, Image Slide Puzzle every 3 months. The most recent releases landed on May 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | RemNum 〜 数字を暗記するだけのアプリ | Image Slide Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (14 ratings)](https://appshunter.io/ios/app/image-slide-puzzle-classic/id6563147935/reviews)** |
| Number of ratings | — | **14** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 48 MB | 144 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yoshitomo ishii](https://appshunter.io/developer/1495140436) | [Hirokazu Uno](https://appshunter.io/developer/1570016990) |

## 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


### Image Slide Puzzle

[App page](https://appshunter.io/ios/app/image-slide-puzzle-classic/id6563147935)

A classic sliding block puzzle game that challenges players to rearrange image pieces into their correct positions. Enjoy a simple yet engaging experience with this timeless brain teaser.

**Highlights:** Classic sliding block puzzle gameplay, Rearrange image blocks, Simple and engaging mechanics, Timeless brain teaser

**In-app purchases:** none


## 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 Image Slide Puzzle free?

Image Slide Puzzle is free to download, with no in-app purchases.

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

Image Slide Puzzle shows ads; RemNum 〜 数字を暗記するだけのアプリ does not.

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

RemNum 〜 数字を暗記するだけのアプリ ships an update every 3 weeks, and Image Slide Puzzle every 3 months. Most recently, RemNum 〜 数字を暗記するだけのアプリ was updated on May 14, 2026 and Image Slide Puzzle on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*