# RPD vs Alien Space Lasers

The clearest difference is in-app purchases: Alien Space Lasers at none against RPD's 12. Alien Space Lasers also leads on review sentiment (100% vs 80%). RPD's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. RPD sells 6 one-off in-app purchases. Alien Space Lasers asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RPD against 5.0 for Alien Space Lasers. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews are what separate them: 80% of RPD's written reviews are positive against 100% of Alien Space Lasers's.

RPD ships an update every 9 days, Alien Space Lasers every 2 weeks. The most recent releases landed on September 18, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | RPD | Alien Space Lasers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/rpd-random-pixel-td/id1546590736/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/alien-space-lasers/id6753903629/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 79.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 114 MB | 62 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sunghyun Park](https://appshunter.io/developer/1546590738) | [Colin Boykin](https://appshunter.io/developer/1826399975) |

## What reviewers say

### RPD

[App page](https://appshunter.io/ios/app/rpd-random-pixel-td/id1546590736)

A pixel art tower defense game where you combine shapes to level up your defenses and defeat waves of enemies. Test your luck and strategy to survive and earn rewards.

**Highlights:** Combine shapes to level up, Defeat enemies for gold, Upgrade defense colors, Receive round breakthrough rewards, Strategic placement of defenses

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RPD 3x Speed | $0.49 | one-time |
| RPD Remove Ads | $0.49 | one-time |
| RPD Skip Button | $0.99 | one-time |
| RPD 100,000 kills | $2.99 | one-time |
| RPD 100,000kills | $2.99 | one-time |
| RPD 100,000 kills | $3.99 | one-time |


### Alien Space Lasers

[App page](https://appshunter.io/ios/app/alien-space-lasers/id6753903629)

Navigate through a galaxy of challenges in this fast-paced arcade game. Dodge deadly obstacles, defeat bosses across 21 levels, and test your skills in an endless mode with escalating difficulty. Master mechanics and power-ups to climb the global leaderboard.

**Highlights:** 21 challenging levels, 7 unique alien planets, Infinite Sectors endless mode, 6 distinct boss fight types, Global leaderboard competition, Collectible power-ups

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RPD free?

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

### Is Alien Space Lasers free?

Alien Space Lasers is free to download, with no in-app purchases.

### Which has better reviews, RPD or Alien Space Lasers?

RPD and Alien Space Lasers are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do RPD or Alien Space Lasers have ads?

Both RPD and Alien Space Lasers show ads.

### Which is updated more often, RPD or Alien Space Lasers?

RPD ships an update every 9 days, and Alien Space Lasers every 2 weeks. Most recently, RPD was updated on September 18, 2026 and Alien Space Lasers on June 4, 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.*