RobotVSAlien vs Cat Wars
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
RobotVSAlien
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.
- Casual defense gameplay
- Unit promotion and upgrading
- Design giant robots
- Repel alien invaders
- Unique robot and alien designs
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" Robot VS Alien " is play to easy Defense is a game . In friendly units up to eight simple We will continue to increase and promote the game . It appeared suddenly and making full use of robots Let's repel the alien ! ·Characteristic - Easy to play casual defense game Share and design your own giant robot ! Of - unique design robots and aliens corps
Cat Wars
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.
- Cat evolution and upgrades
- Rare artifact collection
- Unique skill combinations
- Growth lab for research
- Dungeon conquest challenges
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Let's start a fiery war of the world's most trivial cats! We invite you to the most thrilling adventure in this world! "Cat Wars" is a charming defense game featuring adorable cats as the protagonists. Join the "Cat Wars" cats, each endowed with unique abilities! ▶ The Exhilarating Pleasure of Cat Evolution! Upgrade and evolve your cats into powerful warriors. Prepare to conquer the world with your very own civilization of cats! ▶ Become Stronger with Rare Artifact Collection! Collect various artifacts with unique abilities, and experience the joy of collecting and watching your feline friends grow stronger! ▶ Your Personal Skill Combination for Victory! Create a winning strategy by combining innovative skills to overwhelm your enemies. Unique skills will transform ordinary cats into legendary warriors! ▶ A Unique Growth Lab! Research your powerful techniques and maximize the potential of your cat warriors! Continuous research allows you to experience an ever-advancing civilization. ▶ Exciting Dungeon Conquests! Defeat monsters escaped from the lab and demons from hell to conquer dungeons and discover new treasures!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | RobotVSAlien | Cat Wars |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | 3.3 (3 ratings) |
| Positive reviews | — | 64.5% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 55 MB | 176 MB |
| Age rating | 12+ | 4+ |
| Developer | Akihiro Fujiwara | LAYERLAB |
Customer experience
RobotVSAlien
Cat Wars
In-app purchases
RobotVSAlien
- Remove Ads and Privilege granting$0.99
Cat Wars
- Adventurer Package$0.99
- Newbie Welcome Package$0.99
- Pile Of Rubies$1.99
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- 2x Gold Booster$2.99
- Mastery Master Package$2.99
- Epic Artifact Package$3.99
- Dungeon Conquest Package$3.99
- Ruby Wallet$3.99
- Rare Artifact Package$3.99
- Era Pass 3$5.99
- Era Pass 2$5.99
- 2x Orb Booster$6.99
- Ad Removal Package$7.99
- Ruby Trophy$8.99
- 3x Gold Booster$9.99
- Ruby Bag$19.99
- Ruby Safe$36.99









