# Alien Robot Defender Free vs Grumpy Goats

The clearest difference is rating: Grumpy Goats at 5.0 against Alien Robot Defender Free's 3.7. Grumpy Goats also leads on update cadence (every 3 weeks vs every 50 months). Alien Robot Defender Free's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Grumpy Goats sells 6 one-off in-app purchases. Alien Robot Defender Free asks for nothing beyond the download.

Grumpy Goats holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Alien Robot Defender Free ships an update every 50 months, Grumpy Goats every 3 weeks. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Alien Robot Defender Free | Grumpy Goats |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/alien-robot-defender-free/id548626813/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grumpy-goats/id1589498167/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 50 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 236 MB |
| Requires iOS | **6.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mike Hempfling](https://appshunter.io/developer/422781074) | [Verge Games Limited liability Company](https://appshunter.io/developer/1589497322) |

## What reviewers say

### Alien Robot Defender Free

[App page](https://appshunter.io/ios/app/alien-robot-defender-free/id548626813)

Engage in a classic side-scrolling shooter, defending against waves of alien robots. Strategically shoot invaders to unlock new levels and achieve high scores. Different robot behaviors add to the challenge.

**Highlights:** Classic side-scrolling gameplay, Battle alien robots, Unlock new levels, High score challenges, Master 40 levels, Sharp shooter bonus

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

**In-app purchases:** none


### Grumpy Goats

[App page](https://appshunter.io/ios/app/grumpy-goats/id1589498167)

Launch grumpy goats from a cannon to defeat sheep before they build defenses. Collect coins to unlock new goats and power-ups like helmets and jetpacks. Compete with friends and earn stars on every level.

**Highlights:** Launch goats from a cannon, Defeat sheep before they build fortresses, Unlock new goats with coins, Collect Goat Cards with item abilities, Find hidden treasure chests, Earn 3 stars on every level, Compete with friends

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Goat Bundle | $0.99 | one-time |
| Small Coin Bundle | $0.99 | one-time |
| Medium Goat Bundle | $1.99 | one-time |
| Medium Coin Bundle | $4.99 | one-time |
| Large Goat Bundle | $4.99 | one-time |
| Large Coins Bundle | $9.99 | one-time |


## Frequently asked questions

### Is Alien Robot Defender Free free?

Alien Robot Defender Free is free to download, with no in-app purchases.

### Is Grumpy Goats free?

Grumpy Goats is free to download, with in-app purchases available.

### Which has better reviews, Alien Robot Defender Free or Grumpy Goats?

Grumpy Goats is rated higher. Alien Robot Defender Free averages 3.7 out of 5 from 3 ratings, while Grumpy Goats averages 5.0 from 2 ratings.

### Do Alien Robot Defender Free or Grumpy Goats have ads?

Grumpy Goats shows ads; Alien Robot Defender Free does not.

### Which is updated more often, Alien Robot Defender Free or Grumpy Goats?

Alien Robot Defender Free ships an update every 50 months, and Grumpy Goats every 3 weeks. Most recently, Alien Robot Defender Free was updated on October 9, 2026 and Grumpy Goats on October 5, 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.*