Monster Evolution Rushing vs Rat Killer Robot Invasion
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Monster Evolution Rushing
Control a monster that grows by eating smaller monsters. Avoid larger monsters to survive and evolve. Experience a simulation of a monster's world and see how big you can get.
- Eat smaller monsters to grow
- Evolve your monster
- Avoid larger monsters
- Monster evolution simulation
- Rush through the scene
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This game is called Monster Evolution Rushing. As you see, you need to play as a monster rushing in the scene to grow bigger and bigger. Otherwise, you cannot survive. All the other small monsters are your food. Just eat them and you can get stronger and bigger. If you happen to run into another bigger monster, you will fail and have to retry. It's an evolution simulation game teaching us what is a monster's world. Get fun from here and have a try!
Rat Killer Robot Invasion
Embark on an epic quest to exterminate waves of invading rats with futuristic weapons. Collect in-game currency to unlock new zones, upgrade your robot companion, and customize its appearance. Explore diverse worlds and face challenging puzzles and boss battles.
- Rat extermination action
- Robot customization
- Weapon collection and upgrades
- Diverse world exploration
- Puzzles and boss battles
- Collect money and gems
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Rat Killer Robot Invasion: Save the World! The world is under siege by a relentless rat army! It's up to you, the ultimate Rat Killer Robot, to restore peace and cleanliness. Are you up for the challenge? Rat-Blasting Action: Armed with powerful weapons, embark on an epic quest to exterminate the rat invaders. Zap, blast, and splat your way through waves of rats to protect the world! Collect & Upgrade: While on your rat-slaying adventure, gather valuable money and glittering gems. Use them to unlock new zones, buy futuristic weapons, and upgrade your trusty robot companion. Customize your robot with cool, eye-catching designs. Explore Diverse Worlds: Travel through various zones, each with unique challenges and rat foes. From city streets to hidden sewers, the battle against the rat invasion rages on! Game Features: - Non-stop rat extermination action! - Endless customization options for your robot. - A plethora of weapons to choose from. - Exciting puzzles and epic boss battles. - Explore different zones and unlock secrets. - Collect money, gems, and robot parts. - Free to play! Join the Rat Killer Robot Invasion and be the hero the world desperately needs
Screenshots
Verdict
The clearest difference is rating: Rat Killer Robot Invasion at 4.6 against Monster Evolution Rushing's 1.0. Rat Killer Robot Invasion also leads on review sentiment (31% vs 0%) and ratings volume (2K vs 1). On price, update cadence, ads and in-app purchases 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. Monster Evolution Rushing sells 1 one-off in-app purchase and Rat Killer Robot Invasion sells 17 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Rat Killer Robot Invasion holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Rat Killer Robot Invasion has 2K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Monster Evolution Rushing's written reviews are positive against 31% of Rat Killer Robot Invasion's.
Monster Evolution Rushing ships an update every 2 weeks, Rat Killer Robot Invasion every 10 days. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.
| Parameter | Monster Evolution Rushing | Rat Killer Robot Invasion |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.6 (2K ratings) — better |
| Positive reviews | 0.0% of reviews | 31.1% of reviews — better |
| Number of ratings | 1 | 2K — better |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | Yes | Yes |
| 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 | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 139 MB | 353 MB |
| Age rating | 9+ | 9+ |
| Developer | MNMFUN | TapNation |
Customer experience
Monster Evolution Rushing
Rat Killer Robot Invasion
Bugs and requests
Monster Evolution Rushing
Not enough reviews yet to summarise bugs or requests.
Rat Killer Robot Invasion
Reported bugs
8 issues- Character flipping upside down or flying across the board
- NPCs getting stuck in portals or on walls
- Incorrect item/reward drops from chests
- Launching player off the screen
- Robot unable to keep legs on the ground and rolling around
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- Collector robot not depositing cash
- Portal progression not working as intended
- Crashes on launch
Requested features
4 requests- Optimize performance and fix bugs
- Improve game balance and progression
- Add more content and features
- Provide better customer support
In-app purchases
Monster Evolution Rushing
- Remove Ads$3.99
Rat Killer Robot Invasion
- VIP Membership - Weekly$4.997 Days
- Elite Membership - Weekly$8.997 Days
- Elite Membership - Monthly$24.991 Month
- Skip It - Small Pack$0.99
- One Time Offer$1.99
- Handful Of Crystals$1.99
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- Bunch Of Crystals$4.99
- Skip It - Medium Pack$8.99
- Pile Of Crystals$8.99
- Rats Pass$9.99
- Small Bundle$11.99
- Master Mode$15.99
- Starter Pack$15.99
- Medium Bundle$24.99
- Limited Offer Pack$29.99
- Premium Offer$39.99
- Crate Of Crystals$89.99
Questions
Is Monster Evolution Rushing free?
Is Rat Killer Robot Invasion free?
Which has better reviews, Monster Evolution Rushing or Rat Killer Robot Invasion?
Do Monster Evolution Rushing or Rat Killer Robot Invasion have ads?
Which is updated more often, Monster Evolution Rushing or Rat Killer Robot Invasion?
Other comparisons
