Simple Ring Puzzle vs Kurotto Extreme
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Simple Ring Puzzle
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"Simple Ring Puzzle" is a puzzle with a high difficulty level. Rotate the rings so that the picture coincides with the task shown at the top. You need a thoughtful strategy. If you do not know how to solve the task - it does not matter. "Solution" button is available without restriction. "Simple Ring Puzzle" has 4 categories. Each categorie has 1000 levels. There are total (4x1000) = 4000 tasks.
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
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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 iOS requirement: Simple Ring Puzzle at 8.1 against Kurotto Extreme's 13.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Simple Ring Puzzle ships an update every 24 months, Kurotto Extreme every 22 months. The most recent releases landed on September 18, 2026 and June 10, 2026 respectively.
| Parameter | Simple Ring Puzzle | Kurotto Extreme |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 24 months | Every 22 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 65 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Ruslan Goncharenko | Christophe Baranger |
In-app purchases
Simple Ring Puzzle
No in-app purchases
Kurotto Extreme
No in-app purchases
Questions
Is Simple Ring Puzzle free?
Is Kurotto Extreme free?
Do Simple Ring Puzzle or Kurotto Extreme have ads?
Which is updated more often, Simple Ring Puzzle or Kurotto Extreme?
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