# GT Rivals vs Engine Simulator

The clearest difference is in-app purchases: GT Rivals at none against Engine Simulator's 1. Engine Simulator's advantage is ads (none vs shown). On price, chart position, device support and iOS requirement there is nothing between them.

Both are free to download. Engine Simulator sells 1 one-off in-app purchase. GT Rivals asks for nothing beyond the download.

## The numbers

| Metric | GT Rivals | Engine Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (127 ratings)](https://appshunter.io/ios/app/engine-simulator/id6772016143/reviews)** |
| Number of ratings | — | **127** |
| Positive reviews | — | 78.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Best chart rank | #85 | **#47** |
| Size | 2.6 GB | 22 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Digital Racers FZ-LLC](https://appshunter.io/developer/1889801479) | [MUHAMMAD SAAD ATA](https://appshunter.io/developer/6772016385) |

## What reviewers say

### GT Rivals

[App page](https://appshunter.io/ios/app/gt-rivals-real-racing-sim/id6761461013)

**Currently charting:** #85 Top Free · Racing, #122 Top Grossing · Racing (US App Store)

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

**In-app purchases:** none


### Engine Simulator

[App page](https://appshunter.io/ios/app/engine-simulator/id6772016143)

**Currently charting:** #47 Top Grossing · Racing, #49 Top Free · Racing (US App Store)

Explore the physics of piston engines by building, tuning, and testing them. Simulate combustion and rigid body motion in real-time. Compete with others on a global leaderboard by posting your creations.

**Highlights:** Physics-based engine simulation, Build engines from scratch, Tune fuel and ignition maps, Real-time power and torque readings, 3D engine visualization, Global leaderboard

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is GT Rivals free?

GT Rivals is free to download, with no in-app purchases.

### Is Engine Simulator free?

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

### Do GT Rivals or Engine Simulator have ads?

GT Rivals shows ads; Engine Simulator does not.

### Which is more popular, GT Rivals or Engine Simulator?

GT Rivals currently peaks at #85 in the App Store charts, and Engine Simulator at #47. Chart position reflects recent download velocity rather than total install base.

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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.*