# Grappling Run vs Rat Killer Robot Invasion

The clearest difference is review sentiment: Grappling Run at 100% against Rat Killer Robot Invasion's 31%. Grappling Run also leads on in-app purchases (none vs 17) and rating (5.0 vs 4.6). Rat Killer Robot Invasion's advantage is update cadence (every 10 days vs every 2 months) and ratings volume (2K vs 16). 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. Grappling Run asks for nothing beyond the download.

Grappling Run holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Rat Killer Robot Invasion has 2K ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 100% of Grappling Run's written reviews are positive against 31% of Rat Killer Robot Invasion's.

Grappling Run ships an update every 2 months, Rat Killer Robot Invasion every 10 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Grappling Run | Rat Killer Robot Invasion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (16 ratings)](https://appshunter.io/ios/app/grappling-run/id6450657831/reviews)** | [4.6 (2K ratings)](https://appshunter.io/ios/app/rat-killer-robot-invasion/id6464372285/reviews) |
| Number of ratings | 16 | **2K** |
| Positive reviews | **100.0% of reviews** | 31.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 74 MB | 353 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Zindan Berwary](https://appshunter.io/developer/1694255845) | [TapNation](https://appshunter.io/developer/1483575279) |

## What reviewers say

### Grappling Run

[App page](https://appshunter.io/ios/app/grappling-run/id6450657831)

Race against time in this fast-paced platformer. Use a grappling gun to swing through perilous environments, overcome obstacles, and reach the finish line as quickly as possible. Unlock stylish skins to personalize your character.

**Highlights:** Grappling gun mechanics, Time-based challenges, Platforming gameplay, Obstacle courses, Character skins, Fast-paced action

**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 Grappling Run free?

Grappling Run 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, Grappling Run or Rat Killer Robot Invasion?

Grappling Run is rated higher. Grappling Run averages 5.0 out of 5 from 16 ratings, while Rat Killer Robot Invasion averages 4.6 from 2K ratings.

### Do Grappling Run or Rat Killer Robot Invasion have ads?

Both Grappling Run and Rat Killer Robot Invasion show ads.

### Which is updated more often, Grappling Run or Rat Killer Robot Invasion?

Grappling Run ships an update every 2 months, and Rat Killer Robot Invasion every 10 days. Most recently, Grappling Run was updated on October 24, 2026 and Rat Killer Robot Invasion on October 22, 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.*