# Engine Simulator 3D vs RevApp

The clearest difference is review sentiment: Engine Simulator 3D at 85% against RevApp's 0%. Engine Simulator 3D also leads on rating (4.8 vs 2.0) and in-app purchases (none vs 2). RevApp's advantage is ads (none vs shown). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. RevApp sells 2 one-off in-app purchases. Engine Simulator 3D asks for nothing beyond the download.

Engine Simulator 3D holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Engine Simulator 3D has 79 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of Engine Simulator 3D's written reviews are positive against 0% of RevApp's.

Engine Simulator 3D ships an update daily, RevApp fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Engine Simulator 3D | RevApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (79 ratings)](https://appshunter.io/ios/app/engine-simulator-3d/id6814764131/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/revapp-engine-lab/id6817412919/reviews) |
| Number of ratings | **79** | 1 |
| Positive reviews | **85.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 10 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Groundcode](https://appshunter.io/developer/1835580242) | [Maximilian Seiler](https://appshunter.io/developer/6817412921) |

## What reviewers say

### Engine Simulator 3D

[App page](https://appshunter.io/ios/app/engine-simulator-3d/id6814764131)

Explore a variety of 3D engine models, from inline to rotary designs. Inspect moving parts, adjust views, and experience realistic sound and gear shifting. Customize drive modes and exhaust settings for an immersive simulation.

**Highlights:** 3D engine models (inline, V, rotary), Detailed inspection of moving parts, Multiple camera views and zoom, Realistic sound and rev simulation, Manual and automatic gearboxes, Customizable drive modes, Launch control

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

**In-app purchases:** none


### RevApp

[App page](https://appshunter.io/ios/app/revapp-engine-lab/id6817412919)

Experience the thrill of driving various car engines with realistic sound simulation. Accelerate, shift gears, and enjoy different soundscapes, all from your iPhone. It offers a garage of diverse engines and multiple driving modes.

**Highlights:** Realistic engine sound simulation, Multiple engine types (V12, V8, V6, etc.), Paddle-shift gear changes, Rev limiter and exhaust crackles, Haptic feedback on shifts, Offline play, Multiple sound environments

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supercar Garage | $3.99 | one-time |
| Car Collection | $6.99 | one-time |


## Frequently asked questions

### Is Engine Simulator 3D free?

Engine Simulator 3D is free to download, with no in-app purchases.

### Is RevApp free?

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

### Which has better reviews, Engine Simulator 3D or RevApp?

Engine Simulator 3D is rated higher. Engine Simulator 3D averages 4.8 out of 5 from 79 ratings, while RevApp averages 2.0 from 1 ratings.

### Do Engine Simulator 3D or RevApp have ads?

Engine Simulator 3D shows ads; RevApp does not.

### Which is updated more often, Engine Simulator 3D or RevApp?

Engine Simulator 3D ships an update daily, and RevApp fortnightly. Most recently, Engine Simulator 3D was updated on November 1, 2026 and RevApp on October 31, 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.*