# Aviation Dictionary vs Flight parameters

The clearest difference is price: Aviation Dictionary at Free against Flight parameters's $2.99. Flight parameters's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Aviation Dictionary is free to download; Flight parameters costs $2.99 up front. Aviation Dictionary sells 3 in-app purchases, starting at $0.99 per 7 days. Flight parameters asks for nothing beyond the download.

Aviation Dictionary ships an update every 4 months, Flight parameters every 3 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Aviation Dictionary | Flight parameters |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.3 (18 ratings)](https://appshunter.io/ios/app/aviation-dictionary/id1525345620/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 1 MB |
| Requires iOS | 16.0 | **15.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evans Mauta](https://appshunter.io/developer/1498111447) | [Konstantinos Ladiellis](https://appshunter.io/developer/1516103440) |

## What reviewers say

### Aviation Dictionary

[App page](https://appshunter.io/ios/app/aviation-dictionary/id1525345620)

This app provides a comprehensive offline dictionary and reference for aviation terminology, including over 6000 words and abbreviations. It's designed for pilots, technicians, and aviation specialists to quickly access definitions, phonetic alphabets, Q-codes, and more. Features include search, bookmarking, and text-to-speech pronunciation.

**Highlights:** Offline access, 6000+ aviation words & abbreviations, Search functionality, Bookmarking, Text-to-speech pronunciation, Phonetic alphabet & Q-codes, Airline & airport information

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AvDic Pro - 1 Week | $0.99 | per 7 days |
| AvDic Pro - 1 Month | $2.99 | per month |
| AvDic Pro - 1 Year | $19.99 | per year |


### Flight parameters

[App page](https://appshunter.io/ios/app/flight-parameters/id1623908949)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aviation Dictionary free?

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

### Is Flight parameters free?

Flight parameters costs $2.99, with no in-app purchases.

### Do Aviation Dictionary or Flight parameters have ads?

Aviation Dictionary shows ads; Flight parameters does not.

### Which is updated more often, Aviation Dictionary or Flight parameters?

Aviation Dictionary ships an update every 4 months, and Flight parameters every 3 weeks. Most recently, Aviation Dictionary was updated on October 5, 2026 and Flight parameters on October 12, 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.*