# RoboVac Attack vs Cat Merge

The clearest difference is rating: RoboVac Attack at 5.0 against Cat Merge's 2.9. RoboVac Attack also leads on update cadence (every 5 days vs every 6 weeks) and monetization model (ad-supported vs free with in-app purchases). Cat Merge's advantage is ratings volume (2K vs 3). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RoboVac Attack holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Cat Merge has 2K ratings behind it against 3, so its average is the more settled of the two.

RoboVac Attack ships an update every 5 days, Cat Merge every 6 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | RoboVac Attack | Cat Merge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/robovac-attack/id6475898822/reviews)** | [2.9 (2K ratings)](https://appshunter.io/ios/app/cat-mergepet-game/id6757701948/reviews) |
| Number of ratings | 3 | **2K** |
| Positive reviews | — | 27.4% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 193 MB | 109 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PartyOnGames](https://appshunter.io/developer/1725376890) | [芙蓉 张](https://appshunter.io/developer/1790613588) |

## What reviewers say

### RoboVac Attack

[App page](https://appshunter.io/ios/app/robovac-attack/id6475898822)

Engage in a competitive vacuum cleaning game where you race against others to collect the most dust. Strategize your path, utilize powerups, and outmaneuver opponents in various rooms. Customize your robovac and climb the global leaderboards.

**Highlights:** Head-to-head player competition, Strategic path design, Powerup usage, Global leaderboard climbing, Robovac customization, Variety of unique rooms

**Features:** Vision Pro support

**In-app purchases:** none


### Cat Merge

[App page](https://appshunter.io/ios/app/cat-mergepet-game/id6757701948)

Merge identical cats to discover new breeds and build an adorable feline collection. This casual puzzle game offers simple, addictive gameplay perfect for relaxation and fun. Collect them all and watch your fluffy companions evolve.

**Highlights:** Merge identical cats, Unlock higher-level cats, Collect rare breeds, Simple tap-to-drop gameplay, Evolving feline designs, Build a cat collection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RoboVac Attack free?

RoboVac Attack is free to download, with no in-app purchases.

### Is Cat Merge free?

Cat Merge is free to download, with no in-app purchases.

### Which has better reviews, RoboVac Attack or Cat Merge?

RoboVac Attack is rated higher. RoboVac Attack averages 5.0 out of 5 from 3 ratings, while Cat Merge averages 2.9 from 2K ratings.

### Do RoboVac Attack or Cat Merge have ads?

Both RoboVac Attack and Cat Merge show ads.

### Which is updated more often, RoboVac Attack or Cat Merge?

RoboVac Attack ships an update every 5 days, and Cat Merge every 6 weeks. Most recently, RoboVac Attack was updated on November 4, 2026 and Cat Merge on November 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.*