# Slime Clicker vs Mission Outer Space

The clearest difference is review sentiment: Mission Outer Space at 100% against Slime Clicker's 0%. Mission Outer Space also leads on price (Free vs $0.99) and in-app purchases (none vs 4). Slime Clicker's advantage is rating (5.0 vs 4.0) and iOS requirement (10.0 vs 15.0). On ratings volume, update cadence and device support there is nothing between them.

Mission Outer Space is free to download; Slime Clicker costs $0.99 up front. Slime Clicker sells 4 one-off in-app purchases. Mission Outer Space asks for nothing beyond the download.

Slime Clicker holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews complicate that: 0% of Slime Clicker's written reviews are positive against 100% of Mission Outer Space's, so the app with the better star average is not the one people write more warmly about.

Slime Clicker ships an update every 5 weeks, Mission Outer Space every 2 months. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Slime Clicker | Mission Outer Space |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slime-clicker/id1632454870/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/mission-outer-space/id6745258601/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 151 MB | 79 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Balandin](https://appshunter.io/developer/1632077401) | [Emil Huth](https://appshunter.io/developer/1811551457) |

## What reviewers say

### Slime Clicker

[App page](https://appshunter.io/ios/app/slime-clicker/id1632454870)

Embark on a colorful adventure collecting and upgrading slimes. Explore diverse locations, battle enemies with RPG-style enhancements, and unlock rare collections and trophies. Engage in boss fights and enjoy an immersive soundtrack.

**Highlights:** Slime collection, RPG character upgrades, Multiple unique locations, Boss battles, Trophy and medal system, Hard mode with gold bonus

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2500 Coins | $0.99 | one-time |
| 10 carrots | $0.99 | one-time |
| Remove ads | $1.99 | one-time |
| 7500 Coins | $1.99 | one-time |


### Mission Outer Space

[App page](https://appshunter.io/ios/app/mission-outer-space/id6745258601)

Explore diverse worlds and battle numerous enemies in this pixelart space shooter. Upgrade your spacecraft and unlock rewards through an engaging level system. Experience a classic arcade-style adventure with a retro aesthetic.

**Highlights:** Pixelart graphics, Multiple worlds to explore, Variety of enemies, Upgradeable spaceships, Level system with rewards

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

**In-app purchases:** none


## Frequently asked questions

### Is Slime Clicker free?

Slime Clicker costs $0.99, and also offers in-app purchases.

### Is Mission Outer Space free?

Mission Outer Space is free to download, with no in-app purchases.

### Which has better reviews, Slime Clicker or Mission Outer Space?

Slime Clicker is rated higher. Slime Clicker averages 5.0 out of 5 from 1 ratings, while Mission Outer Space averages 4.0 from 1 ratings.

### Do Slime Clicker or Mission Outer Space have ads?

Slime Clicker shows ads; Mission Outer Space does not.

### Which is updated more often, Slime Clicker or Mission Outer Space?

Slime Clicker ships an update every 5 weeks, and Mission Outer Space every 2 months. Most recently, Slime Clicker was updated on October 6, 2026 and Mission Outer Space on October 24, 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.*