# Guroku Rainbow vs Loop

The clearest difference is update cadence: Loop at every 3 days against Guroku Rainbow's every 4 months. Guroku Rainbow's advantage is ratings volume (22 vs 4) and iOS requirement (12.0 vs 17.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Guroku Rainbow sells 1 one-off in-app purchase and Loop sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Loop holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Guroku Rainbow has 22 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Guroku Rainbow ships an update every 4 months, Loop every 3 days. The most recent releases landed on October 13, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Guroku Rainbow | Loop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (22 ratings)](https://appshunter.io/ios/app/guroku-rainbow/id1584863106/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/loop-connections/id6805295092/reviews)** |
| Number of ratings | **22** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 62 MB | 11 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MMXIX.CZ s.r.o.](https://appshunter.io/developer/1553030810) | [SPEARFOUNDRY CONSULTING LLC](https://appshunter.io/developer/6805295094) |

## 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 |


### Loop

[App page](https://appshunter.io/ios/app/loop-connections/id6805295092)

A relaxing puzzle game where players rotate tiles to create a complete circuit. It features a growing number of levels, daily challenges, and gentle hints to guide players. Enjoy calm themes and satisfying animations as you find the perfect path.

**Highlights:** 200+ levels, Daily puzzles, Gentle hints, Three-star goals, Calm themes and animations, Offline play

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Premium Theme Pack | $1.99 | one-time |


## Frequently asked questions

### Is Guroku Rainbow free?

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

### Is Loop free?

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

### Which has better reviews, Guroku Rainbow or Loop?

Loop is rated higher. Guroku Rainbow averages 4.8 out of 5 from 22 ratings, while Loop averages 5.0 from 4 ratings.

### Do Guroku Rainbow or Loop have ads?

Both Guroku Rainbow and Loop show ads.

### Which is updated more often, Guroku Rainbow or Loop?

Guroku Rainbow ships an update every 4 months, and Loop every 3 days. Most recently, Guroku Rainbow was updated on October 13, 2026 and Loop on October 29, 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.*