# RealEngineSim vs Engine Simulator 3D

The clearest difference is rating: Engine Simulator 3D at 5.0 against RealEngineSim's 3.8. Engine Simulator 3D also leads on in-app purchases (none vs 3) and update cadence (daily vs weekly). RealEngineSim's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

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

Engine Simulator 3D holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 83 and 21 respectively. Written reviews point the same way: 72% of RealEngineSim's written reviews are positive against 82% of Engine Simulator 3D's.

RealEngineSim ships an update weekly, Engine Simulator 3D daily. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | RealEngineSim | Engine Simulator 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (83 ratings)](https://appshunter.io/ios/app/realenginesim/id474392463/reviews) | **[5.0 (21 ratings)](https://appshunter.io/ios/app/engine-simulator-3d/id6814764131/reviews)** |
| Number of ratings | **83** | 21 |
| Positive reviews | 72.2% of reviews | **81.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 52 MB | 12 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SOUND DESIGN LAB LLC](https://appshunter.io/developer/1526125684) | [Groundcode](https://appshunter.io/developer/1835580242) |

## What reviewers say

### RealEngineSim

[App page](https://appshunter.io/ios/app/realenginesim/id474392463)

Experience the realistic engine sounds of cars and motorcycles with this simulation game. Control manual transmission vehicles with precise speed, acceleration, and braking. Features two driving modes for varied gameplay.

**Highlights:** Realistic engine sound synthesis, Manual transmission control, Speed control and tracing modes, Life-like tire slippage, Passenger cars, sports cars, and motorcycles

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Game 2 Pack | $0.99 | one-time |
| Vehicle 4 Pack | $0.99 | one-time |
| Vehicle 4 Pack2 | $0.99 | one-time |


### Engine Simulator 3D

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

Explore and interact with six detailed 3D engine models, from inline-4 to V12. Experience realistic engine sounds generated in real-time and test different gearboxes, exhaust settings, and tuning options.

**Highlights:** Six detailed 3D engine models, Real-time audio generation, Multiple gearbox options, Customizable exhaust and tuning, Interactive engine inspection, Multi-language interface

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

**In-app purchases:** none


## Frequently asked questions

### Is RealEngineSim free?

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

### Is Engine Simulator 3D free?

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

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

Engine Simulator 3D is rated higher. RealEngineSim averages 3.8 out of 5 from 83 ratings, while Engine Simulator 3D averages 5.0 from 21 ratings.

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

Engine Simulator 3D shows ads; RealEngineSim does not.

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

RealEngineSim ships an update weekly, and Engine Simulator 3D daily. Most recently, RealEngineSim was updated on October 21, 2026 and Engine Simulator 3D on October 19, 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.*