# Ripple Effect vs Kurotto Extreme

The clearest difference is rating: Kurotto Extreme at 5.0 against Ripple Effect's 4.0. Kurotto Extreme also leads on in-app purchases (none vs 1) and review sentiment (100% vs 80%). Ripple Effect's advantage is update cadence (every 5 months vs every 22 months) and ratings volume (4 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Ripple Effect sells 1 one-off in-app purchase. Kurotto Extreme asks for nothing beyond the download.

Kurotto Extreme holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 80% of Ripple Effect's written reviews are positive against 100% of Kurotto Extreme's.

Ripple Effect ships an update every 5 months, Kurotto Extreme every 22 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Ripple Effect | Kurotto Extreme |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/ripple-effect-logic-puzzle/id627813217/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kurotto-extreme/id1499171663/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 months** | Every 22 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 12 MB | 22 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stanley Lam](https://appshunter.io/developer/453164363) | [Christophe Baranger](https://appshunter.io/developer/982794089) |

## What reviewers say

### Ripple Effect

[App page](https://appshunter.io/ios/app/ripple-effect-logic-puzzle/id627813217)

A logic puzzle game where you fill rooms with numbers according to specific row and column separation rules. It offers over 500 levels across various sizes and difficulties, with features like automatic error highlighting and progress saving.

**Highlights:** Over 500 levels, 5 board sizes, 5 difficulty levels, Automatic wrong number highlighting, Autosave progress, Best completion time recording, Game Center Achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Version | $0.99 | one-time |


### Kurotto Extreme

[App page](https://appshunter.io/ios/app/kurotto-extreme/id1499171663)

A logic puzzle game originating from Japan with simple rules for hours of engaging challenges. Fill empty cells based on numbered circles indicating continuous black cells, with no time limits and autosave functionality.

**Highlights:** 350+ challenges across 7 difficulty levels, 7 new daily challenges, Autosave progress, No time limits, 2 global leaderboards, Full tutorial

**In-app purchases:** none


## Frequently asked questions

### Is Ripple Effect free?

Ripple Effect is free to download, with in-app purchases available.

### Is Kurotto Extreme free?

Kurotto Extreme is free to download, with no in-app purchases.

### Which has better reviews, Ripple Effect or Kurotto Extreme?

Kurotto Extreme is rated higher. Ripple Effect averages 4.0 out of 5 from 4 ratings, while Kurotto Extreme averages 5.0 from 1 ratings.

### Do Ripple Effect or Kurotto Extreme have ads?

Both Ripple Effect and Kurotto Extreme show ads.

### Which is updated more often, Ripple Effect or Kurotto Extreme?

Ripple Effect ships an update every 5 months, and Kurotto Extreme every 22 months. Most recently, Ripple Effect was updated on October 1, 2026 and Kurotto Extreme on October 5, 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.*