# Samsøs Trolde vs Rat Killer Robot Invasion

The clearest difference is price: Rat Killer Robot Invasion at Free against Samsøs Trolde's $1.99. Samsøs Trolde's advantage is in-app purchases (none vs 10) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Rat Killer Robot Invasion is free to download; Samsøs Trolde costs $1.99 up front. Rat Killer Robot Invasion sells 10 in-app purchases, starting at $4.99 per 7 days. Samsøs Trolde asks for nothing beyond the download.

Samsøs Trolde ships an update weekly, Rat Killer Robot Invasion every 10 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Samsøs Trolde | Rat Killer Robot Invasion |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.6 (2K ratings)](https://appshunter.io/ios/app/rat-killer-robot-invasion/id6464372285/reviews)** |
| Number of ratings | — | **2K** |
| Positive reviews | — | 31.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 353 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Per Meldgaard](https://appshunter.io/developer/1046791504) | [TapNation](https://appshunter.io/developer/1483575279) |

## What reviewers say

### Samsøs Trolde

[App page](https://appshunter.io/ios/app/samss-trolde/id1509698214)

**Features:** Vision Pro support

**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 (10)**

| 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 |
| Pile Of Crystals | $8.99 | one-time |
| Rats Pass | $9.99 | one-time |
| Premium Offer | $39.99 | 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 Samsøs Trolde free?

Samsøs Trolde costs $1.99, with no in-app purchases.

### Is Rat Killer Robot Invasion free?

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

### Do Samsøs Trolde or Rat Killer Robot Invasion have ads?

Rat Killer Robot Invasion shows ads; Samsøs Trolde does not.

### Which is updated more often, Samsøs Trolde or Rat Killer Robot Invasion?

Samsøs Trolde ships an update weekly, and Rat Killer Robot Invasion every 10 days. Most recently, Samsøs Trolde was updated on November 7, 2026 and Rat Killer Robot Invasion on November 3, 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.*