# FMS A350 vs Aerolog EFB

The clearest difference is in-app purchases: FMS A350 at none against Aerolog EFB's 2. FMS A350 also leads on iOS requirement (14.0 vs 26.0). Aerolog EFB's advantage is update cadence (every 2 days vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Aerolog EFB sells 2 in-app purchases, starting at $9.99 per month. FMS A350 asks for nothing beyond the download.

FMS A350 ships an update every 3 weeks, Aerolog EFB every 2 days. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | FMS A350 | Aerolog EFB |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 44 MB | 27 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ECA Faros](https://appshunter.io/developer/1109979311) | [Pidintala Navneet Kumar Reddy](https://appshunter.io/developer/1895950945) |

## What reviewers say

### FMS A350

[App page](https://appshunter.io/ios/app/fms-a350/id1179048028)

This application provides a free play simulation for familiarizing users with the A350 Flight Management System. It offers an easy-to-use interface and a comprehensive set of functions, adding value before expensive simulator sessions.

**Highlights:** A350 FMS familiarization, Free play simulation, Accurate simulation, Easy-to-use interface, Complete set of functions

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

**In-app purchases:** none


### Aerolog EFB

[App page](https://appshunter.io/ios/app/aerolog-efb/id6765481245)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AeroLog Premium (Monthly) | $9.99 | per month |
| Aerolog Premium (Yearly) | $99.99 | per year |


## Frequently asked questions

### Is FMS A350 free?

FMS A350 is free to download, with no in-app purchases.

### Is Aerolog EFB free?

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

### Do FMS A350 or Aerolog EFB have ads?

Neither FMS A350 nor Aerolog EFB shows ads.

### Which is updated more often, FMS A350 or Aerolog EFB?

FMS A350 ships an update every 3 weeks, and Aerolog EFB every 2 days. Most recently, FMS A350 was updated on November 2, 2026 and Aerolog EFB on October 29, 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.*