# SpaceJong vs Atomic Fusion Rush

The clearest difference is rating: Atomic Fusion Rush at 5.0 against SpaceJong's 4.1. Atomic Fusion Rush also leads on update cadence (every 5 days vs every 39 months) and review sentiment (100% vs 75%). SpaceJong's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, ratings volume and iOS requirement there is nothing between them.

Both are free to download. Atomic Fusion Rush sells 5 one-off in-app purchases. SpaceJong asks for nothing beyond the download.

Atomic Fusion Rush holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews point the same way: 75% of SpaceJong's written reviews are positive against 100% of Atomic Fusion Rush's.

SpaceJong ships an update every 39 months, Atomic Fusion Rush every 5 days. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SpaceJong | Atomic Fusion Rush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/spacejong/id401980670/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/atomic-fusion-rush/id6771701538/reviews)** |
| Number of ratings | **7** | 5 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 39 months | **Every 5 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 130 MB | 61 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Richard Wright](https://appshunter.io/developer/297344959) | [Erik Abrahamsson](https://appshunter.io/developer/1895826692) |

## What reviewers say

### SpaceJong

[App page](https://appshunter.io/ios/app/spacejong/id401980670)

A Mahjong-style matching puzzle game featuring animated 3D planets and moons as tiles. Compete for high scores by clearing the board and enjoy various visual and audio themes. Tap celestial bodies for informational pop-ups.

**Highlights:** Mahjong-style matching gameplay, Animated 3D planets and moons, High score leaderboards, Multiple animation styles, Variety of space backgrounds, Informational celestial body pop-ups

**Features:** macOS Compatibility

**In-app purchases:** none


### Atomic Fusion Rush

[App page](https://appshunter.io/ios/app/atomic-fusion-rush/id6771701538)

Fuse atoms in a 2048-style puzzle game to discover elements and compounds. Progress through campaign levels, complete daily quests, and unlock power-ups. Become an alchemist and complete the periodic table.

**Highlights:** Fuse matching atoms, Discover compounds and molecules, 100 campaign levels, Daily quests and streak rewards, Unlockable power-ups, Collection tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 coins | $0.99 | one-time |
| 20 coins | $2.99 | one-time |
| Pro Lab Pack - Lifetime | $4.99 | one-time |
| 50 coins | $5.99 | one-time |
| 100 coins | $9.99 | one-time |


## Frequently asked questions

### Is SpaceJong free?

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

### Is Atomic Fusion Rush free?

Atomic Fusion Rush is free to download, with in-app purchases available.

### Which has better reviews, SpaceJong or Atomic Fusion Rush?

Atomic Fusion Rush is rated higher. SpaceJong averages 4.1 out of 5 from 7 ratings, while Atomic Fusion Rush averages 5.0 from 5 ratings.

### Do SpaceJong or Atomic Fusion Rush have ads?

Atomic Fusion Rush shows ads; SpaceJong does not.

### Which is updated more often, SpaceJong or Atomic Fusion Rush?

SpaceJong ships an update every 39 months, and Atomic Fusion Rush every 5 days. Most recently, SpaceJong was updated on October 7, 2026 and Atomic Fusion Rush on October 16, 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.*