# Ripple Effect

> Logic puzzle game with integer placement rules for consecutive numbers in rooms. (iPhone/iPad app by Yuki Fujimoto.)

- Source: https://appshunter.io/ios/app/ripple-effect/id1139541148 (this page in markdown: same URL + `.md`)
- Developer: [Yuki Fujimoto](https://appshunter.io/developer/467085185)
- Category: Games, Entertainment, Board, Puzzle
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings · 10 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 16 MB
- Languages: American English, Japanese
- Released: 2016-09-03
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ripple-effect/id1139541148/reviews.md

## What is Ripple Effect?

Ripple Effect is popular logic puzzle game in Japan.
The solver must place one positive integer into each cell of the grid according to these rules:
Every room must contain the consecutive integers from 1 to the quantity of cells in that room inclusive.
If two identical numbers appear in the same row or column, at least that many cells with other numbers must separate them. For example, two cells both containing '1' may not be orthogonally adjacent, but must have at least one cell between them with a different number. Two cells marked '3' in the same row or column must have at least three cells with other numbers between them in that row or column, and so on.

## Key features

- Consecutive integer placement
- Room-based puzzle mechanics
- Row and column separation rules
- Challenging logic puzzles
- Grid-based gameplay

## Recent user reviews (10 of 10)

All indexed reviews: https://appshunter.io/ios/app/ripple-effect/id1139541148/reviews.md

### 4/5 — How do I submit my game and play more levels?

*2022-11-16, version 1.1*

I’m not sure how to save my game and then load more levels.

### 2/5 — 7×7の1

*2022-08-28, version 1.1*

破綻していません？

### 3/5 — 最高なパズル！

*2022-07-24, version 1.1*

プレイしていると広告がだんだん上がっていきついにはアプリが落ちます。落ちた後その面まで戻るのが大変です。とても面白いパズルなので改善されると嬉しいです。

### 5/5 — え……

*2020-09-14, version 1.1*

５×5の4、おかしくないですか？

### 2/5 — 分からない

*2019-09-10, version 1.1*

ヒントが欲しい

### 3/5 — 操作を戻すボタンが欲しい

*2017-03-25, version 1.0*

入力操作を戻すボタンが欲しい。
あと、複数回答があるやつがある

### 3/5 — おもしろいけど

*2016-09-05, version 1.0*

10×10を20問目までクリアしました
21問目がおかしい

### 3/5 — ルールはわかりやすいです

*2016-08-23, version 1.0*

数独経験者なら、アプリ内のルールを読んですぐに遊べるでしょう。

入力用の数字ボタンが小さく、また広告スレスレなのでかなり気を遣って押すことなるのがゲームの集中を妨げます。
数字を仮定するメモのつけ方を改良して頂けたら、かなりハマりそうな数字ゲームです。

### 5/5 — 嵌りました。

*2016-08-16, version 1.0*

以前数独に嵌った人ですが、これも直ぐに嵌り毎日楽しまさせて頂いています。

### 1/5 — 操作がわからない。

*2016-08-13, version 1.0*

マニュアルは読みました。
全てのマスに数字を入れました。
何も起きません。

## Frequently asked questions about Ripple Effect

### What is Ripple Effect?

Ripple Effect is a logic puzzle game where players must place positive integers into a grid. The goal is to fill each room with consecutive numbers from 1 up to the room's size, following specific separation rules for identical numbers in rows and columns.

### How do the number separation rules work in Ripple Effect?

If two identical numbers are in the same row or column, they must be separated by at least that many cells containing different numbers. For example, two '1's need one cell between them, while two '3's need at least three cells between them.

### Is Ripple Effect free to play?

Yes, Ripple Effect is available for free. It does not have any in-app purchases or advertisements, making it a completely free gaming experience.

### What devices can I play Ripple Effect on?

Ripple Effect is compatible with iPhone, iPad, and iPod devices. It is designed for iOS users looking for a challenging puzzle experience.

### How often is Ripple Effect updated?

The latest version of Ripple Effect is 1.1, which was last updated on July 9, 2018. While it hasn't seen recent updates, the existing content offers a complete puzzle experience.

### What is the age rating for Ripple Effect?

Ripple Effect has an age rating of 4+, making it suitable for a wide range of players. It focuses on logic and number skills rather than mature content.

### Does Ripple Effect have offline gameplay?

The description does not specify offline play, but logic puzzle games like Ripple Effect are typically playable without an internet connection once downloaded.

### What makes Ripple Effect unique compared to other logic puzzles?

Ripple Effect's unique mechanic lies in its specific number separation rules within rooms and across rows/columns, requiring a distinct type of logical deduction beyond typical grid-filling puzzles.

## Version history (last 2 releases)

### 1.1 — 2018-07-09

This app has been updated by Apple to display the Apple Watch app icon.

Optimize for the latest iOS

### 1.0 — 2016-08-02

This update is signed with Apple’s latest signing certificate. No new features are included.

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## More apps by Yuki Fujimoto

- [Thoroughly Freecell](https://appshunter.io/ios/app/thoroughly-freecell/id849017205)
- [Mahjong Tile Solitaire](https://appshunter.io/ios/app/mahjong-tile-solitaire/id892138094)
- [Thoroughly Sichuan](https://appshunter.io/ios/app/thoroughly-sichuan/id894399422)
- [Thoroughly Pelmanism](https://appshunter.io/ios/app/thoroughly-pelmanism/id896355967)
- [Four Leaf Clover](https://appshunter.io/ios/app/four-leaf-clover/id898621721)
- [Thoroughly Honkong (Mahjong Puzzle)](https://appshunter.io/ios/app/thoroughly-honkong-mahjong-puzzle/id901291989)

All apps by Yuki Fujimoto: https://appshunter.io/developer/467085185

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*