# Mr Vampire vs Rat Killer Robot Invasion

The clearest difference is in-app purchases: Mr Vampire at none against Rat Killer Robot Invasion's 17. Rat Killer Robot Invasion's advantage is review sentiment (31% vs 0%) and ratings volume (2K vs 25). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rat Killer Robot Invasion sells 17 in-app purchases, starting at $4.99 per 7 days. Mr Vampire asks for nothing beyond the download.

Rat Killer Robot Invasion holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Rat Killer Robot Invasion has 2K ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 0% of Mr Vampire's written reviews are positive against 31% of Rat Killer Robot Invasion's.

## The numbers

| Metric | Mr Vampire | Rat Killer Robot Invasion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (25 ratings)](https://appshunter.io/ios/app/mr-vampire/id1629417839/reviews) | **[4.6 (2K ratings)](https://appshunter.io/ios/app/rat-killer-robot-invasion/id6464372285/reviews)** |
| Number of ratings | 25 | **2K** |
| Positive reviews | 0.0% of reviews | **31.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 10 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 119 MB | 353 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Backpack Games](https://appshunter.io/developer/1516613435) | [TapNation](https://appshunter.io/developer/1483575279) |

## What reviewers say

### Mr Vampire

[App page](https://appshunter.io/ios/app/mr-vampire/id1629417839)

Control a hungry vampire who must sneak through levels to feed on unsuspecting prey. Carefully navigate obstacles and avoid patrols while using stealth to survive and grow stronger. Develop your vampire's skills to match your playstyle in this action-packed game.

**Highlights:** Stealth gameplay, Sneak past enemies, Feed on prey, Upgrade skills, Avoid patrols, Level-based progression

**Features:** macOS Compatibility

**In-app purchases:** none


### Rat Killer Robot Invasion

[App page](https://appshunter.io/ios/app/rat-killer-robot-invasion/id6464372285)

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.

**Highlights:** Rat extermination action, Robot customization, Weapon collection and upgrades, Diverse world exploration, Puzzles and boss battles, Collect money and gems

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Membership - Weekly | $4.99 | per 7 days |
| Elite Membership - Weekly | $8.99 | per 7 days |
| Elite Membership - Monthly | $24.99 | per month |
| Skip It - Small Pack | $0.99 | one-time |
| One Time Offer | $1.99 | one-time |
| Handful Of Crystals | $1.99 | one-time |
| Bunch Of Crystals | $4.99 | one-time |
| Skip It - Medium Pack | $8.99 | one-time |
| Pile Of Crystals | $8.99 | one-time |
| Rats Pass | $9.99 | one-time |
| Small Bundle | $11.99 | one-time |
| Master Mode | $15.99 | one-time |
| Starter Pack | $15.99 | one-time |
| Medium Bundle | $24.99 | one-time |
| Limited Offer Pack | $29.99 | one-time |
| Premium Offer | $39.99 | one-time |
| Crate Of Crystals | $89.99 | one-time |

**What reviewers like**

- 👍 Fun gameplay
- 🦂 Scorpion mech character

**What reviewers complain about**

- 🐛 Glitchy and buggy
- 🕰️ Excessive ads
- ⚠️ Imbalanced game mechanics
- 💰 Progression blocked by premium currency

**Reported bugs**

- 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

**Requested features**

- Optimize performance and fix bugs
- Improve game balance and progression
- Add more content and features
- Provide better customer support


## Frequently asked questions

### Is Mr Vampire free?

Mr Vampire is free to download, with no in-app purchases.

### Is Rat Killer Robot Invasion free?

Rat Killer Robot Invasion is free to download, with in-app purchases available.

### Which has better reviews, Mr Vampire or Rat Killer Robot Invasion?

Rat Killer Robot Invasion is rated higher. Mr Vampire averages 4.4 out of 5 from 25 ratings, while Rat Killer Robot Invasion averages 4.6 from 2K ratings.

### Do Mr Vampire or Rat Killer Robot Invasion have ads?

Both Mr Vampire and Rat Killer Robot Invasion show ads.

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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.*