# Invaders(Simple) vs Paper Plane vs Trash Balls

The clearest difference is rating: Invaders(Simple) at 5.0 against Paper Plane vs Trash Balls's 3.4. Invaders(Simple) also leads on in-app purchases (none vs 1) and ads (none vs shown). Paper Plane vs Trash Balls's advantage is update cadence (every 2 months vs every 20 months) and ratings volume (37 vs 1). On price and device support there is nothing between them.

Both are free to download. Paper Plane vs Trash Balls sells 1 one-off in-app purchase. Invaders(Simple) asks for nothing beyond the download.

Invaders(Simple) holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Paper Plane vs Trash Balls has 37 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of Invaders(Simple)'s written reviews are positive against 50% of Paper Plane vs Trash Balls's.

Invaders(Simple) ships an update every 20 months, Paper Plane vs Trash Balls every 2 months. The most recent releases landed on June 1, 2026 and June 29, 2026 respectively.

## The numbers

| Metric | Invaders(Simple) | Paper Plane vs Trash Balls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/invaderssimple/id910019357/reviews)** | [3.4 (37 ratings)](https://appshunter.io/ios/app/paper-plane-vs-trash-balls/id6443685840/reviews) |
| Number of ratings | 1 | **37** |
| Positive reviews | **62.5% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 5 MB | 57 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masanao Baba](https://appshunter.io/developer/803806609) | [Aleksa Racovic](https://appshunter.io/developer/1255649501) |

## What reviewers say

### Invaders(Simple)

[App page](https://appshunter.io/ios/app/invaderssimple/id910019357)

A classic retro shooter game inspired by Space Invaders. Experience simple, nostalgic gameplay with a focus on pure shooting action. Perfect for quick gaming sessions.

**Highlights:** Retro shooter gameplay, Classic arcade style, Simple controls, Nostalgic experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Paper Plane vs Trash Balls

[App page](https://appshunter.io/ios/app/paper-plane-vs-trash-balls/id6443685840)

Pilot a triangular spacecraft to destroy incoming asteroids and alien saucers. Navigate through space by rotating, thrusting, and firing projectiles. Experience classic arcade gameplay with a focus on skillful maneuvering and target elimination.

**Highlights:** Destroy asteroids and saucers, Pilot a triangular spacecraft, Rotate, thrust, and shoot, Classic arcade gameplay, Retro space shooter experience

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


## Frequently asked questions

### Is Invaders(Simple) free?

Invaders(Simple) is free to download, with no in-app purchases.

### Is Paper Plane vs Trash Balls free?

Paper Plane vs Trash Balls is free to download, with in-app purchases available.

### Which has better reviews, Invaders(Simple) or Paper Plane vs Trash Balls?

Invaders(Simple) is rated higher. Invaders(Simple) averages 5.0 out of 5 from 1 ratings, while Paper Plane vs Trash Balls averages 3.4 from 37 ratings.

### Do Invaders(Simple) or Paper Plane vs Trash Balls have ads?

Paper Plane vs Trash Balls shows ads; Invaders(Simple) does not.

### Which is updated more often, Invaders(Simple) or Paper Plane vs Trash Balls?

Invaders(Simple) ships an update every 20 months, and Paper Plane vs Trash Balls every 2 months. Most recently, Invaders(Simple) was updated on June 1, 2026 and Paper Plane vs Trash Balls on June 29, 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.*