# FS2EFB vs Aieron

The clearest difference is in-app purchases: FS2EFB at none against Aieron's 3. FS2EFB also leads on iOS requirement (15.6 vs 26.5). On price, ads and device support there is nothing between them.

Both are free to download. Aieron sells 3 in-app purchases, starting at $5.99 per month. FS2EFB asks for nothing beyond the download.

## The numbers

| Metric | FS2EFB | Aieron |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fs2efb/id6759614296/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 6 MB | 6 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Marinenko](https://appshunter.io/developer/1864741659) | [Borislav Indzhov](https://appshunter.io/developer/6798525217) |

## What reviewers say

### FS2EFB

[App page](https://appshunter.io/ios/app/fs2efb/id6759614296)

This app transforms your mobile device into a real-time Electronic Flight Bag (EFB) for Microsoft Flight Simulator. It extracts detailed flight telemetry and traffic data, delivering it to your preferred aviation applications with zero performance impact on the simulator.

**Highlights:** Real-time flight telemetry extraction, Live traffic injection on EFB map, Universal protocol support (GDL90, NMEA 0183, X-Plane), One-click EFB presets for major apps, Built-in audio variometer for gliders, Zero FPS impact on simulator

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

**In-app purchases:** none


### Aieron

[App page](https://appshunter.io/ios/app/aieron-aerodynamics-sim/id6799515579)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | per month |
| Yearly | $44.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is FS2EFB free?

FS2EFB is free to download, with no in-app purchases.

### Is Aieron free?

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

### Do FS2EFB or Aieron have ads?

Neither FS2EFB nor Aieron shows ads.

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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.*