# Kurotto Extreme vs 1 Stroke Go

Kurotto Extreme and 1 Stroke Go are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Kurotto Extreme ships an update every 22 months, 1 Stroke Go every 19 months. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Kurotto Extreme | 1 Stroke Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kurotto-extreme/id1499171663/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 22 months | **Every 19 months** |
| Monetization | Ad-supported | — |
| Size | 22 MB | 83 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Baranger](https://appshunter.io/developer/982794089) | [E-ONLINESERVICE](https://appshunter.io/developer/1592295207) |

## What reviewers say

### 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


### 1 Stroke Go

[App page](https://appshunter.io/ios/app/1-stroke-go/id6444875960)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kurotto Extreme free?

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

### Is 1 Stroke Go free?

1 Stroke Go is free to download, with no in-app purchases.

### Do Kurotto Extreme or 1 Stroke Go have ads?

Both Kurotto Extreme and 1 Stroke Go show ads.

### Which is updated more often, Kurotto Extreme or 1 Stroke Go?

Kurotto Extreme ships an update every 22 months, and 1 Stroke Go every 19 months. Most recently, Kurotto Extreme was updated on October 5, 2026 and 1 Stroke Go on October 17, 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.*