# RobotVSAlien vs Cat Wars

The clearest difference is rating: RobotVSAlien at 4.0 against Cat Wars's 3.3. RobotVSAlien also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (7.0 vs 15.0). Cat Wars's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. RobotVSAlien sells 1 one-off in-app purchase and Cat Wars sells 17 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

RobotVSAlien holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

RobotVSAlien ships an update every 2 weeks, Cat Wars every 2 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | RobotVSAlien | Cat Wars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/robotvsalien/id863067072/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/cat-wars-evolution/id6498867745/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 64.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 55 MB | 176 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Akihiro Fujiwara](https://appshunter.io/developer/721031264) | [LAYERLAB](https://appshunter.io/developer/1471588459) |

## What reviewers say

### RobotVSAlien

[App page](https://appshunter.io/ios/app/robotvsalien/id863067072)

Defend against alien invaders using a growing army of robots. This casual defense game allows players to upgrade and promote their units to increase their strength. Design your own giant robot and repel the alien threat.

**Highlights:** Casual defense gameplay, Unit promotion and upgrading, Design giant robots, Repel alien invaders, Unique robot and alien designs

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads and Privilege granting | $0.99 | one-time |


### Cat Wars

[App page](https://appshunter.io/ios/app/cat-wars-evolution/id6498867745)

Engage in a charming defense game where adorable cats evolve into powerful warriors. Collect artifacts, combine unique skills, and research advanced techniques to conquer dungeons and defeat enemies. Build your own cat civilization and lead them to victory.

**Highlights:** Cat evolution and upgrades, Rare artifact collection, Unique skill combinations, Growth lab for research, Dungeon conquest challenges

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

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Adventurer Package | $0.99 | one-time |
| Newbie Welcome Package | $0.99 | one-time |
| Pile Of Rubies | $1.99 | one-time |
| 2x Gold Booster | $2.99 | one-time |
| Mastery Master Package | $2.99 | one-time |
| Epic Artifact Package | $3.99 | one-time |
| Dungeon Conquest Package | $3.99 | one-time |
| Ruby Wallet | $3.99 | one-time |
| Rare Artifact Package | $3.99 | one-time |
| Era Pass 3 | $5.99 | one-time |
| Era Pass 2 | $5.99 | one-time |
| 2x Orb Booster | $6.99 | one-time |
| Ad Removal Package | $7.99 | one-time |
| Ruby Trophy | $8.99 | one-time |
| 3x Gold Booster | $9.99 | one-time |
| Ruby Bag | $19.99 | one-time |
| Ruby Safe | $36.99 | one-time |


## Frequently asked questions

### Is RobotVSAlien free?

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

### Is Cat Wars free?

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

### Which has better reviews, RobotVSAlien or Cat Wars?

RobotVSAlien is rated higher. RobotVSAlien averages 4.0 out of 5 from 1 ratings, while Cat Wars averages 3.3 from 3 ratings.

### Do RobotVSAlien or Cat Wars have ads?

Neither RobotVSAlien nor Cat Wars shows ads.

### Which is updated more often, RobotVSAlien or Cat Wars?

RobotVSAlien ships an update every 2 weeks, and Cat Wars every 2 months. Most recently, RobotVSAlien was updated on October 4, 2026 and Cat Wars on October 6, 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.*