# Space Merge X vs Planet Stack!

The clearest difference is rating: Planet Stack! at 5.0 against Space Merge X's 3.8. Planet Stack! also leads on in-app purchases (none vs 1) and iOS requirement (11.0 vs 13.0). Space Merge X's advantage is ratings volume (8 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Space Merge X sells 1 one-off in-app purchase. Planet Stack! asks for nothing beyond the download.

Planet Stack! holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Space Merge X has 8 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Space Merge X | Planet Stack! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (8 ratings)](https://appshunter.io/ios/app/space-merge-x-planets-fun/id1522465254/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/planet-stack/id1601630350/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 97 MB | 86 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egor Kunovsky](https://appshunter.io/developer/1810232243) | [Emre Yilmaz](https://appshunter.io/developer/1434732915) |

## What reviewers say

### Space Merge X

[App page](https://appshunter.io/ios/app/space-merge-x-planets-fun/id1522465254)

Merge identical planets by placing them on a circle to complete levels and discover new celestial bodies. Utilize boosters to strategically delete or merge planets, accelerating your journey through the cosmos. Enjoy a relaxing puzzle experience as you expand your planetary collection.

**Highlights:** Planet merging gameplay, Level completion for discovery, Booster items, Planet deletion option, Intuitive controls

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Boosters | $1.99 | one-time |


### Planet Stack!

[App page](https://appshunter.io/ios/app/planet-stack/id1601630350)

Collect celestial bodies and arrange them in a towering structure. Navigate through various portals to acquire moons and rings for your collection.

**Highlights:** Collect planets, Stack celestial bodies, Acquire moons, Get rings, Navigate through doors

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space Merge X free?

Space Merge X is free to download, with in-app purchases available.

### Is Planet Stack! free?

Planet Stack! is free to download, with no in-app purchases.

### Which has better reviews, Space Merge X or Planet Stack!?

Planet Stack! is rated higher. Space Merge X averages 3.8 out of 5 from 8 ratings, while Planet Stack! averages 5.0 from 1 ratings.

### Do Space Merge X or Planet Stack! have ads?

Neither Space Merge X nor Planet Stack! shows ads.

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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.*