Ripple Effect vs Kurotto Extreme
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Ripple Effect
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.
- Over 500 levels
- 5 board sizes
- 5 difficulty levels
- Automatic wrong number highlighting
- Autosave progress
- Best completion time recording
- Game Center Achievements
Read full descriptionHide full description
Ripple Effect is a logic puzzle with simple rules. The puzzle consists of a rectangular board divided into "rooms". Each room must be filled with each of the numbers from 1 to the number of cells in the room. If two identical numbers appear in the same row or column, at least that many cells with other numbers must separate them. For example, if two 4s appear in the same row, then they must be separated by at least 4 cells. **** Ripple Effect features **** # Content - 5 different sizes of board - 5 difficulty levels - more than 500 levels # Features - Highlight wrong number automatically - Autosave the process of unfinished levels - Record best completion time for each level # Challenge - Game Center Achievements - Try to complete as many levels as possible
Kurotto Extreme
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.
- 350+ challenges across 7 difficulty levels
- 7 new daily challenges
- Autosave progress
- No time limits
- 2 global leaderboards
- Full tutorial
Read full descriptionHide full description
This game originated in Japan. The rules are really simple so you could enjoy hours of challenges, from easy to complex difficulty. Fill in some of the empty cells with the following rules: 1. The number in a circle indicates the total number of continuous black cells extending from it, vertically and horizontally. 2. Dragon circles may have any number of black cells around them. 3. Cells with circles cannot be colored. This game includes: + 350 challenges across 7 levels of difficulty. + 7 new daily challenges (1 per level of difficulty) + Autosave of your progress solving a grid so you could pause and resume as you wish. + No time limits to complete a challenge + 2 global leaderboards + Full Tutorial + and many more capabilities
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Ripple Effect | Kurotto Extreme |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 80.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 5 months — better | Every 22 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Stanley Lam | Christophe Baranger |
Customer experience
Ripple Effect
Kurotto Extreme
In-app purchases
Ripple Effect
- Upgrade to Full Version$0.99
Kurotto Extreme
No in-app purchases
Questions
Is Ripple Effect free?
Is Kurotto Extreme free?
Which has better reviews, Ripple Effect or Kurotto Extreme?
Do Ripple Effect or Kurotto Extreme have ads?
Which is updated more often, Ripple Effect or Kurotto Extreme?
Other comparisons
