# Engine Simulator vs Airframe

The clearest difference is rating: Airframe at 5.0 against Engine Simulator's 4.3. Airframe also leads on update cadence (every 8 days vs every 3 weeks) and iOS requirement (15.0 vs 18.6). Engine Simulator's advantage is ratings volume (216 vs 5) and chart position (#41 vs unranked). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Engine Simulator sells 1 one-off in-app purchase and Airframe sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Airframe holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Engine Simulator has 216 ratings behind it against 5, so its average is the more settled of the two.

Engine Simulator ships an update every 3 weeks, Airframe every 8 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | Engine Simulator | Airframe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (216 ratings)](https://appshunter.io/ios/app/engine-simulator/id6772016143/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/airframe-build-and-fly-planes/id6808967619/reviews)** |
| Number of ratings | **216** | 5 |
| Positive reviews | 75.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#41** | — |
| Size | 22 MB | 70 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [MUHAMMAD SAAD ATA](https://appshunter.io/developer/6772016385) | [Canigou & Co](https://appshunter.io/developer/1651412790) |

## What reviewers say

### Engine Simulator

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

**Currently charting:** #41 Top Grossing · Racing, #42 Top Free · Racing, #201 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 |


### Airframe

[App page](https://appshunter.io/ios/app/airframe-build-and-fly-planes/id6808967619)

Design and build your own aircraft using a variety of parts and materials. Then, test your creations in realistic flight simulations with dynamic weather and challenging missions. Manage your own airline, earning money and reputation.

**Highlights:** Part-by-part plane design, Realistic physics simulation, Touch controls for flight, 12 campaign missions, Endless open contracts, Airline management, Free mode sandbox

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $3.99 | one-time |


## Frequently asked questions

### Is Engine Simulator free?

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

### Is Airframe free?

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

### Which has better reviews, Engine Simulator or Airframe?

Airframe is rated higher. Engine Simulator averages 4.3 out of 5 from 216 ratings, while Airframe averages 5.0 from 5 ratings.

### Do Engine Simulator or Airframe have ads?

Neither Engine Simulator nor Airframe shows ads.

### Which is updated more often, Engine Simulator or Airframe?

Engine Simulator ships an update every 3 weeks, and Airframe every 8 days. Most recently, Engine Simulator was updated on November 10, 2026 and Airframe on November 10, 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.*