# Precision academy vs Engine Simulator

The clearest difference is in-app purchases: Precision academy at none against Engine Simulator's 1. Engine Simulator's advantage is chart position (#43 vs unranked) and device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Precision academy | Engine Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (141 ratings)](https://appshunter.io/ios/app/engine-simulator/id6772016143/reviews)** |
| Number of ratings | — | **141** |
| Positive reviews | — | 76.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#43** |
| Size | 65 MB | 22 MB |
| Requires iOS | **18.4** | 18.6 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [PHILIPPE COHEN](https://appshunter.io/developer/1869772469) | [MUHAMMAD SAAD ATA](https://appshunter.io/developer/6772016385) |

## What reviewers say

### Precision academy

[App page](https://appshunter.io/ios/app/precision-academy/id6759255573)

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

**In-app purchases:** none


### Engine Simulator

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

**Currently charting:** #43 Top Free · Racing, #45 Top Grossing · Racing, #188 Top Free · Simulation (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 Precision academy free?

Precision academy 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 Precision academy or Engine Simulator have ads?

Neither Precision academy nor Engine Simulator shows ads.

### Which is updated more often, Precision academy or Engine Simulator?

Precision academy ships an update every 3 weeks, and Engine Simulator every 3 weeks. Most recently, Precision academy was updated on October 28, 2026 and Engine Simulator 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.*