# Robot Vs Dinosaur vs T Rex Evolution Open World Sim

The clearest difference is rating: Robot Vs Dinosaur at 3.3 against T Rex Evolution Open World Sim's 1.0. Robot Vs Dinosaur also leads on ratings volume (17 vs 1) and iOS requirement (10.0 vs 15.0). T Rex Evolution Open World Sim's advantage is update cadence (every 3 months vs every 21 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Robot Vs Dinosaur sells 1 one-off in-app purchase and T Rex Evolution Open World Sim sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Robot Vs Dinosaur holds the better App Store score, 3.3 against 1.0. That said, the two scores are not equally well evidenced: Robot Vs Dinosaur has 17 ratings behind it against 1, so its average is the more settled of the two.

Robot Vs Dinosaur ships an update every 21 months, T Rex Evolution Open World Sim every 3 months. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Robot Vs Dinosaur | T Rex Evolution Open World Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (17 ratings)](https://appshunter.io/ios/app/robot-vs-dinosaur/id1295917435/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/t-rex-evolution-open-world-sim/id1506633753/reviews) |
| Number of ratings | **17** | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 185 MB | 341 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Mir Hamza Hasan](https://appshunter.io/developer/1262875941) | [Asif Naeem](https://appshunter.io/developer/1467501226) |

## What reviewers say

### Robot Vs Dinosaur

[App page](https://appshunter.io/ios/app/robot-vs-dinosaur/id1295917435)

Engage in an epic battle between a robot superhero and destructive dinosaurs that have invaded the city. Utilize heavy weaponry to rescue the colony and prevent total destruction in this action-packed simulator.

**Highlights:** Robot superhero combat, Dinosaur invasion scenario, Heavy weaponry and missiles, City rescue missions, Epic bot simulation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


### T Rex Evolution Open World Sim

[App page](https://appshunter.io/ios/app/t-rex-evolution-open-world-sim/id1506633753)

Explore a dangerous island as a human, then evolve into a powerful T-Rex. Complete missions like driving trucks, rescuing dinosaurs, and managing a sanctuary. Experience dynamic gameplay that shifts between predator action and strategic park management.

**Highlights:** Evolve into a T-Rex, Drive transport trucks, Rescue trapped dinosaurs, Manage a dinosaur sanctuary, Open-world exploration, Predator action gameplay

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10k Diamonds | $2.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Unlock All Vehicles | $9.99 | one-time |
| Unlock All Levels | $9.99 | one-time |


## Frequently asked questions

### Is Robot Vs Dinosaur free?

Robot Vs Dinosaur is free to download, with in-app purchases available.

### Is T Rex Evolution Open World Sim free?

T Rex Evolution Open World Sim is free to download, with in-app purchases available.

### Which has better reviews, Robot Vs Dinosaur or T Rex Evolution Open World Sim?

Robot Vs Dinosaur is rated higher. Robot Vs Dinosaur averages 3.3 out of 5 from 17 ratings, while T Rex Evolution Open World Sim averages 1.0 from 1 ratings.

### Do Robot Vs Dinosaur or T Rex Evolution Open World Sim have ads?

Both Robot Vs Dinosaur and T Rex Evolution Open World Sim show ads.

### Which is updated more often, Robot Vs Dinosaur or T Rex Evolution Open World Sim?

Robot Vs Dinosaur ships an update every 21 months, and T Rex Evolution Open World Sim every 3 months. Most recently, Robot Vs Dinosaur was updated on September 25, 2026 and T Rex Evolution Open World Sim on October 2, 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.*