# CosmoCleaner vs Explosion! ROBOBOM

The clearest difference is in-app purchases: Explosion! ROBOBOM at none against CosmoCleaner's 7. Explosion! ROBOBOM also leads on update cadence (every 2 days vs every 5 days) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. CosmoCleaner sells 7 one-off in-app purchases. Explosion! ROBOBOM asks for nothing beyond the download.

CosmoCleaner ships an update every 5 days, Explosion! ROBOBOM every 2 days. The most recent releases landed on October 31, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CosmoCleaner | Explosion! ROBOBOM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/explosion-robobom/id6801443900/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 386 MB | 329 MB |
| Requires iOS | 26.1 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 9+ |
| Developer | [Maikel Stiefel](https://appshunter.io/developer/1862890143) | [NHN PlayArt 株式会社](https://appshunter.io/developer/1084628015) |

## What reviewers say

### CosmoCleaner

[App page](https://appshunter.io/ios/app/cosmocleaner-janitor-fleet/id6790866846)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Credits | $0.99 | one-time |
| 1,200 Credits | $1.99 | one-time |
| Ad-Free + Cleanup Ship | $3.99 | one-time |
| 2,800 Credits | $3.99 | one-time |
| 6,000 Credits | $6.99 | one-time |
| 15,000 Credits | $12.99 | one-time |
| 40,000 Credits | $24.99 | one-time |


### Explosion! ROBOBOM

[App page](https://appshunter.io/ios/app/explosion-robobom/id6801443900)

Blast away enemies in this explosive action game. Tap to move and unleash powerful attacks, charge up for even bigger blasts, and aim for a high score. Unlock upgrades to become stronger and defeat the boss.

**Highlights:** Tap to move and attack, Chargeable powerful blasts, Fever Time for max damage, Unlockable upgrades, High score challenges, Boss battles

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

**In-app purchases:** none


## Frequently asked questions

### Is CosmoCleaner free?

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

### Is Explosion! ROBOBOM free?

Explosion! ROBOBOM is free to download, with no in-app purchases.

### Do CosmoCleaner or Explosion! ROBOBOM have ads?

Both CosmoCleaner and Explosion! ROBOBOM show ads.

### Which is updated more often, CosmoCleaner or Explosion! ROBOBOM?

CosmoCleaner ships an update every 5 days, and Explosion! ROBOBOM every 2 days. Most recently, CosmoCleaner was updated on October 31, 2026 and Explosion! ROBOBOM on October 10, 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.*