# Space Grunt vs Robots On

The clearest difference is rating: Space Grunt at 5.0 against Robots On's 3.5. Space Grunt also leads on ads (none vs shown) and update cadence (every 2 months vs every 31 months). Robots On's advantage is in-app purchases (none vs 2). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Space Grunt sells 2 one-off in-app purchases. Robots On asks for nothing beyond the download.

Space Grunt holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Space Grunt ships an update every 2 months, Robots On every 31 months. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Space Grunt | Robots On |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/space-grunt/id919834201/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/robots-on/id1296560480/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 31 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 29 MB | 62 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Easy 8 Software](https://appshunter.io/developer/293405662) | [Galatic Droids](https://appshunter.io/developer/806182439) |

## 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 |


### Robots On

[App page](https://appshunter.io/ios/app/robots-on/id1296560480)

Engage in a fast-paced arcade shooter where you must blast through waves of killer robots. Utilize power-ups and strategic targeting to survive increasingly difficult levels in this retro-inspired game.

**Highlights:** Intensive arcade gameplay, Multiple camera angles, AI-powered robot enemies, Power-up collection, Retro 2D mode, Rapid fire controls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space Grunt free?

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

### Is Robots On free?

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

### Which has better reviews, Space Grunt or Robots On?

Space Grunt is rated higher. Space Grunt averages 5.0 out of 5 from 2 ratings, while Robots On averages 3.5 from 2 ratings.

### Do Space Grunt or Robots On have ads?

Robots On shows ads; Space Grunt does not.

### Which is updated more often, Space Grunt or Robots On?

Space Grunt ships an update every 2 months, and Robots On every 31 months. Most recently, Space Grunt was updated on September 8, 2026 and Robots On on September 21, 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.*