# Aeronautical glossary vs EC120B

The clearest difference is price: Aeronautical glossary at Free against EC120B's $49.99. Aeronautical glossary also leads on update cadence (every 3 months vs every 25 months) and device support (3 vs 1). EC120B's advantage is in-app purchases (none vs 3) and iOS requirement (18.6 vs 26.2). On ads there is nothing between them.

Aeronautical glossary is free to download; EC120B costs $49.99 up front. Aeronautical glossary sells 3 in-app purchases, starting at $1.99 per month. EC120B asks for nothing beyond the download.

Aeronautical glossary ships an update every 3 months, EC120B every 25 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Aeronautical glossary | EC120B |
| --- | --- | --- |
| Price | **Free** | $49.99 |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 25 months |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 16 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | **iPhone, iPad, Mac** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jérôme Goursau](https://appshunter.io/developer/427950097) | [Gyronimo, LLC](https://appshunter.io/developer/536898885) |

## What reviewers say

### Aeronautical glossary

[App page](https://appshunter.io/ios/app/aeronautical-glossary/id441495735)

A comprehensive French-English and English-French technical dictionary for aviation. It covers over 32,000 terms across various aeronautical fields, including commercial, military, and general aviation, as well as avionics and air traffic control. The app also includes 20,000 English abbreviations with their full forms and explanations, all accessible offline.

**Highlights:** French-English/English-French aeronautical dictionary, Over 32,000 technical terms, Includes 20,000 English abbreviations, Covers commercial, military, and general aviation, Offline access, Subscription for database updates

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $1.99 | per month |
| 1 year subscription | $11.99 | per year |
| Application purchase | $17.99 | one-time |


### EC120B

[App page](https://appshunter.io/ios/app/ec120b/id704063936)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aeronautical glossary free?

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

### Is EC120B free?

EC120B costs $49.99, with no in-app purchases.

### Do Aeronautical glossary or EC120B have ads?

Neither Aeronautical glossary nor EC120B shows ads.

### Which is updated more often, Aeronautical glossary or EC120B?

Aeronautical glossary ships an update every 3 months, and EC120B every 25 months. Most recently, Aeronautical glossary was updated on October 26, 2026 and EC120B on October 26, 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.*