# JAPAN MAP STACK vs Planet Merge Game

The clearest difference is rating: JAPAN MAP STACK at 5.0 against Planet Merge Game's 4.1. Planet Merge Game's advantage is update cadence (every 4 days vs every 3 weeks) and ratings volume (34 vs 6). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

JAPAN MAP STACK holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Planet Merge Game has 34 ratings behind it against 6, so its average is the more settled of the two. Written reviews split almost evenly too, at 88% and 88% positive.

JAPAN MAP STACK ships an update every 3 weeks, Planet Merge Game every 4 days. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | JAPAN MAP STACK | Planet Merge Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/japan-map-stack/id1360634666/reviews)** | [4.1 (34 ratings)](https://appshunter.io/ios/app/planet-merge-game/id6470491423/reviews) |
| Number of ratings | 6 | **34** |
| Positive reviews | 87.5% of reviews | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 93 MB | 138 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUUTA TAKI](https://appshunter.io/developer/1360634665) | [Kei Shoji](https://appshunter.io/developer/1695092593) |

## What reviewers say

### JAPAN MAP STACK

[App page](https://appshunter.io/ios/app/japan-map-stack/id1360634666)

A physics puzzle game where players stack colorful map pieces as high as possible. It features simple one-finger controls and is free to play.

**Highlights:** Physics-based stacking gameplay, Colorful map pieces, Simple one-finger controls, Free to play

**Features:** macOS Compatibility

**In-app purchases:** none


### Planet Merge Game

[App page](https://appshunter.io/ios/app/planet-merge-game/id6470491423)

Merge planets of the same kind to evolve them and increase your score. Strategically drop planets to prevent them from crossing the line. Enjoy brain training and stress relief with simple controls and pleasant sounds.

**Highlights:** Planet merging and evolution, Strategic drop placement, High score competition, Brain training mechanics, Offline gameplay, Stress relief sounds

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JAPAN MAP STACK free?

JAPAN MAP STACK is free to download, with no in-app purchases.

### Is Planet Merge Game free?

Planet Merge Game is free to download, with no in-app purchases.

### Which has better reviews, JAPAN MAP STACK or Planet Merge Game?

JAPAN MAP STACK is rated higher. JAPAN MAP STACK averages 5.0 out of 5 from 6 ratings, while Planet Merge Game averages 4.1 from 34 ratings.

### Do JAPAN MAP STACK or Planet Merge Game have ads?

Both JAPAN MAP STACK and Planet Merge Game show ads.

### Which is updated more often, JAPAN MAP STACK or Planet Merge Game?

JAPAN MAP STACK ships an update every 3 weeks, and Planet Merge Game every 4 days. Most recently, JAPAN MAP STACK was updated on October 14, 2026 and Planet Merge Game on October 6, 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.*