# Guroku Rainbow vs PG Nonogram

The clearest difference is in-app purchases: PG Nonogram at none against Guroku Rainbow's 1. PG Nonogram also leads on update cadence (every 9 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Guroku Rainbow sells 1 one-off in-app purchase. PG Nonogram asks for nothing beyond the download.

Guroku Rainbow ships an update every 4 months, PG Nonogram every 9 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Guroku Rainbow | PG Nonogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (22 ratings)](https://appshunter.io/ios/app/guroku-rainbow/id1584863106/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 20 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MMXIX.CZ s.r.o.](https://appshunter.io/developer/1553030810) | [Celtic Wards, LLC](https://appshunter.io/developer/1219544143) |

## What reviewers say

### Guroku Rainbow

[App page](https://appshunter.io/ios/app/guroku-rainbow/id1584863106)

This puzzle game challenges players to strategically move colored stones to their matching target squares. New stone types add complexity and require clever planning to solve increasingly difficult brain teasers. Compete with others on global leaderboards and unlock achievements.

**Highlights:** Move colored stones to target squares, New rainbow and white stone types, 110+ challenging puzzles, Simple controls and easy-to-learn rules, Global leaderboard for performance comparison, Collect achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### PG Nonogram

[App page](https://appshunter.io/ios/app/pg-nonogram/id6755313712)

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

**In-app purchases:** none


## Frequently asked questions

### Is Guroku Rainbow free?

Guroku Rainbow is free to download, with in-app purchases available.

### Is PG Nonogram free?

PG Nonogram is free to download, with no in-app purchases.

### Do Guroku Rainbow or PG Nonogram have ads?

Both Guroku Rainbow and PG Nonogram show ads.

### Which is updated more often, Guroku Rainbow or PG Nonogram?

Guroku Rainbow ships an update every 4 months, and PG Nonogram every 9 days. Most recently, Guroku Rainbow was updated on November 3, 2026 and PG Nonogram on October 30, 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.*