Rat Killer Robot Invasion vs Bionics
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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
Bionics
Engage in an epic survival experience during a zombie apocalypse. Utilize bionic gear, powerful skills, and a vast arsenal of weapons to battle relentless undead hordes and fight for humanity's survival.
- Zombie apocalypse survival
- Bionic gear and skills
- Arsenal of guns
- Battle undead hordes
- Stunning visual effects
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Survive the zombie apocalypse as the Bionic Hero armed with a bionics gear. Battle hordes of the undead with an array of powerful skills, an arsenal of guns, and stunning visual effects. Are you ready to fight for humanity's survival?
Screenshots
Verdict
Rat Killer Robot Invasion and Bionics both sit at 4.6 stars, but that hides the real split: 31% of Rat Killer Robot Invasion's written reviews are positive against 23% of Bionics's. Rat Killer Robot Invasion also leads on iOS requirement (12.0 vs 14.0). On price, rating, ratings volume and update cadence 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. Rat Killer Robot Invasion sells 17 in-app purchases, starting at $4.99 per 7 days and Bionics sells 16 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for Rat Killer Robot Invasion against 4.7 for Bionics. Both are backed by a comparable volume of ratings — 2K and 2.5K respectively. Written reviews are what separate them: 31% of Rat Killer Robot Invasion's written reviews are positive against 23% of Bionics's.
Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.
| Parameter | Rat Killer Robot Invasion | Bionics |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2K ratings) | 4.7 (2.5K ratings) — better |
| Positive reviews | 31.1% of reviews — better | 22.9% of reviews |
| Number of ratings | 2K | 2.5K — better |
| Update frequency | Every 10 days | Every 10 days |
| 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 | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 353 MB | 320 MB |
| Age rating | 9+ | 12+ |
| Developer | TapNation | Voodoo |
Customer experience
Rat Killer Robot Invasion
Bionics
User reviews
Rat Killer Robot Invasion
From 2K App Store ratingsWhat we love
- 👍 Fun gameplay
- 🦂 Scorpion mech character
Room to improve
- 🐛 Glitchy and buggy
- 🕰️ Excessive ads
- ⚠️ Imbalanced game mechanics
- 💰 Progression blocked by premium currency
Bionics
From 2.5K App Store ratingsWhat we love
- 🚀 Efficient gameplay
- 👍 Fun and engaging
- 🕹️ Good time killer
Room to improve
- 🐛 Bugs and glitches
- 💰 Excessive ads and in-app purchases
- 🕹️ Unbalanced and frustrating gameplay
Bugs and 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
Bionics
Reported bugs
3 issues- Crashes and freezes
- Loading issues and unresponsive app
- Purchased content not working as expected
Requested features
3 requests- Ability to replay completed levels
- More diverse and meaningful upgrades
- Improved controls and movement
In-app purchases
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
Bionics
- Some Gems$0.99
- Season Pass Plus Upgrade$2.99
- Remove Forced Ads$3.99
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- Pile of Gems$4.99
- Special Offer$4.99
- Special Offer$5.99
- Season Pass$6.99
- Special Offer$6.99
- Starter Pack$7.99
- Blessings$9.99
- Heap of Gems$9.99
- Season Pass Plus$9.99
- Special Offer$9.99
- Special Offer$12.99
- Stack of Gems$19.99
- Special Offer$19.99
Questions
Is Rat Killer Robot Invasion free?
Is Bionics free?
Which has better reviews, Rat Killer Robot Invasion or Bionics?
Do Rat Killer Robot Invasion or Bionics have ads?
Which is updated more often, Rat Killer Robot Invasion or Bionics?
Other comparisons
