# RobotVSAlien vs Merge Brainrot VS Dinosaur

The clearest difference is rating: Merge Brainrot VS Dinosaur at 5.0 against RobotVSAlien's 4.0. Merge Brainrot VS Dinosaur also leads on update cadence (every 3 days vs every 2 weeks) and ratings volume (4 vs 1). RobotVSAlien's advantage is ads (none vs shown) and iOS requirement (7.0 vs 12.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. RobotVSAlien sells 1 one-off in-app purchase and Merge Brainrot VS Dinosaur sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Merge Brainrot VS Dinosaur holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

RobotVSAlien ships an update every 2 weeks, Merge Brainrot VS Dinosaur every 3 days. The most recent releases landed on October 21, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RobotVSAlien | Merge Brainrot VS Dinosaur |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/robotvsalien/id863067072/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/merge-brainrot-vs-dinosaur/id6748372763/reviews)** |
| Number of ratings | 1 | **4** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 55 MB | 288 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Akihiro Fujiwara](https://appshunter.io/developer/721031264) | [Super Awesome Inc.](https://appshunter.io/developer/918383565) |

## What reviewers say

### RobotVSAlien

[App page](https://appshunter.io/ios/app/robotvsalien/id863067072)

Defend against alien invaders using a growing army of robots. This casual defense game allows players to upgrade and promote their units to increase their strength. Design your own giant robot and repel the alien threat.

**Highlights:** Casual defense gameplay, Unit promotion and upgrading, Design giant robots, Repel alien invaders, Unique robot and alien designs

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads and Privilege granting | $0.99 | one-time |


### Merge Brainrot VS Dinosaur

[App page](https://appshunter.io/ios/app/merge-brainrot-vs-dinosaur/id6748372763)

An idle merge puzzle and simulation game where you combine creatures to unlock evolutions and build a safari. Collect dinosaurs and unique Italian Brainrots, and earn rewards even while offline.

**Highlights:** One touch merge for instant evolution, Dinosaur and mutant synergy, Massive creature collection, Idle rewards accumulation, Tropical island decoration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem 1000 | $0.49 | one-time |
| VIP Package | $2.99 | one-time |
| Gem 5000 | $2.99 | one-time |
| FAIRY PASS | $2.99 | one-time |
| Event Box 10 | $6.99 | one-time |
| Gem 12000 | $6.99 | one-time |
| Event Box 46 | $12.99 | one-time |
| Gem 30000 | $12.99 | one-time |
| Gem 100000 | $34.99 | one-time |


## Frequently asked questions

### Is RobotVSAlien free?

RobotVSAlien is free to download, with in-app purchases available.

### Is Merge Brainrot VS Dinosaur free?

Merge Brainrot VS Dinosaur is free to download, with in-app purchases available.

### Which has better reviews, RobotVSAlien or Merge Brainrot VS Dinosaur?

Merge Brainrot VS Dinosaur is rated higher. RobotVSAlien averages 4.0 out of 5 from 1 ratings, while Merge Brainrot VS Dinosaur averages 5.0 from 4 ratings.

### Do RobotVSAlien or Merge Brainrot VS Dinosaur have ads?

Merge Brainrot VS Dinosaur shows ads; RobotVSAlien does not.

### Which is updated more often, RobotVSAlien or Merge Brainrot VS Dinosaur?

RobotVSAlien ships an update every 2 weeks, and Merge Brainrot VS Dinosaur every 3 days. Most recently, RobotVSAlien was updated on October 21, 2026 and Merge Brainrot VS Dinosaur on October 30, 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.*