# Our engines vs e

The clearest difference is review sentiment: Our engines at 100% against e's 31%. Our engines also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). e's advantage is rating (4.8 vs 4.5) and update cadence (every 2 months vs every 7 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

e holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews complicate that: 100% of Our engines's written reviews are positive against 31% of e's, so the app with the better star average is not the one people write more warmly about.

Our engines ships an update every 7 months, e every 2 months. Both last shipped on October 5, 2026.

## The numbers

| Metric | Our engines | e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/our-engines/id638750487/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/e-doc-browser/id1003220647/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | **100.0% of reviews** | 30.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 2.7 GB | 80 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Safran](https://appshunter.io/developer/638750590) | [Airbus SAS](https://appshunter.io/developer/535289302) |

## What reviewers say

### Our engines

[App page](https://appshunter.io/ios/app/our-engines/id638750487)

Explore the inner workings of civil and military aircraft engines through interactive 3D animations. Discover the aircraft they power and test your knowledge to become an aeronautical expert.

**Highlights:** Immersive 3D animations, Detailed engine operation exploration, Aircraft powered by engines, Knowledge testing quizzes, Iconic engine examples, Aeronautical engineering insights

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

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-doc-browser/id1003220647)

Access and consult Airbus fleet maintenance documentation on your tablet. Streamline workflows with offline access, powerful search, and 3D diagrams. Reduces paper usage in operations.

**Highlights:** Offline documentation access, Powerful search with highlighted results, 3D diagrams and zoom, Consultation history, Print with layout options, Access to PDF and Excel documents

**In-app purchases:** none


## Frequently asked questions

### Is Our engines free?

Our engines is free to download, with no in-app purchases.

### Is e free?

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

### Which has better reviews, Our engines or e?

e is rated higher. Our engines averages 4.5 out of 5 from 2 ratings, while e averages 4.8 from 5 ratings.

### Do Our engines or e have ads?

Neither Our engines nor e shows ads.

### Which is updated more often, Our engines or e?

Our engines ships an update every 7 months, and e every 2 months. Most recently, Our engines was updated on October 5, 2026 and e on October 5, 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.*