# Space Grunt vs Celtreos

The clearest difference is price: Space Grunt at Free against Celtreos's $4.99. Space Grunt also leads on iOS requirement (12.0 vs 15.6). Celtreos's advantage is in-app purchases (none vs 2) and update cadence (monthly vs every 2 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

Space Grunt is free to download; Celtreos costs $4.99 up front. Space Grunt sells 2 one-off in-app purchases. Celtreos asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Space Grunt against 5.0 for Celtreos. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Space Grunt ships an update every 2 months, Celtreos monthly. The most recent releases landed on November 1, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Space Grunt | Celtreos |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/space-grunt/id919834201/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/celtreos/id1328130449/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 29 MB | 136 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 9+ | 9+ |
| Developer | [Easy 8 Software](https://appshunter.io/developer/293405662) | [Kevin Grant](https://appshunter.io/developer/1328130448) |

## What reviewers say

### Space Grunt

[App page](https://appshunter.io/ios/app/space-grunt/id919834201)

Battle alien invaders with jetpacks and guns across three distinct combat zones. Explore worlds, unlock heroes, and compete on speed run leaderboards. Enjoy ragdoll physics and particle effects in this action-packed game.

**Highlights:** Jetpack and gun combat, Ragdoll physics and particle effects, Speed run leaderboards, MFI controller support, Unlockable heroes and custom skins, Hidden collectibles

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Doubler | $0.99 | one-time |
| Coin Pack | $0.99 | one-time |


### Celtreos

[App page](https://appshunter.io/ios/app/celtreos/id1328130449)

Experience a classic side-scrolling space shooter with modern features. Engage in single-player or co-op gameplay, customize your ship, and battle through diverse stages with randomized elements and challenging bosses. Enjoy a rich soundtrack or play your own music.

**Highlights:** Single-player and two-player co-op modes, Over 12 diverse and partially randomized stages, Extensive weapon arsenal and ship customization, In-game power-ups and power-downs, Customizable game settings (lives, graphics, speed), 30 unique songs or play your own music

**Features:** Game Controller support

**In-app purchases:** none


## Frequently asked questions

### Is Space Grunt free?

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

### Is Celtreos free?

Celtreos costs $4.99, with no in-app purchases.

### Which has better reviews, Space Grunt or Celtreos?

Space Grunt and Celtreos are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Space Grunt or Celtreos have ads?

Neither Space Grunt nor Celtreos shows ads.

### Which is updated more often, Space Grunt or Celtreos?

Space Grunt ships an update every 2 months, and Celtreos monthly. Most recently, Space Grunt was updated on November 1, 2026 and Celtreos on November 13, 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.*