# Alien Invasion Puzzle vs Stretch Robot

The clearest difference is in-app purchases: Alien Invasion Puzzle at none against Stretch Robot's 1. Alien Invasion Puzzle also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Stretch Robot sells 1 one-off in-app purchase. Alien Invasion Puzzle asks for nothing beyond the download.

## The numbers

| Metric | Alien Invasion Puzzle | Stretch Robot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (125 ratings)](https://appshunter.io/ios/app/stretch-robot-physics-puzzle/id6473294292/reviews)** |
| Number of ratings | — | **125** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 131 MB | 185 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Vitalii Chardymov](https://appshunter.io/developer/1543773818) | [Lunapp, TOO](https://appshunter.io/developer/1669287025) |

## What reviewers say

### Alien Invasion Puzzle

[App page](https://appshunter.io/ios/app/alien-invasion-puzzle/id6462422314)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stretch Robot

[App page](https://appshunter.io/ios/app/stretch-robot-physics-puzzle/id6473294292)

Control a robot with extendable arms to solve physics-based puzzles. Stretch, grab, and swing to overcome obstacles like spikes and gaps using smart thinking and elastic mechanics. Enjoy handcrafted levels with a casual pace, perfect for quick, engaging brain teasers.

**Highlights:** Physics-based puzzle gameplay, Stretch mechanics, Handcrafted levels, Logic challenges, Casual pace, Intuitive physics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Alien Invasion Puzzle free?

Alien Invasion Puzzle is free to download, with no in-app purchases.

### Is Stretch Robot free?

Stretch Robot is free to download, with in-app purchases available.

### Do Alien Invasion Puzzle or Stretch Robot have ads?

Both Alien Invasion Puzzle and Stretch Robot show ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*