# Aviation Dictionary vs H

The clearest difference is price: H at Free against Aviation Dictionary's $3.99. H also leads on update cadence (every 7 months vs every 34 months). Aviation Dictionary's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

H is free to download; Aviation Dictionary costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aviation Dictionary ships an update every 34 months, H every 7 months. The most recent releases landed on October 15, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Aviation Dictionary | H |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aviation-dictionary-offline/id1462266610/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 7 months** |
| Monetization | Paid | — |
| Size | 19 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Marco Rozgic](https://appshunter.io/developer/1572867852) |

## What reviewers say

### Aviation Dictionary

[App page](https://appshunter.io/ios/app/aviation-dictionary-offline/id1462266610)

This educational reference app provides a comprehensive offline dictionary of aviation terms and abbreviations. It's designed for pilots, technicians, and engineers to quickly look up and learn essential vocabulary for their daily work.

**Highlights:** Offline functionality, Over 6000 words and abbreviations, Searchable database, Bookmarking for favorites, Share terms with friends, Find abbreviation meanings

**In-app purchases:** none


### H

[App page](https://appshunter.io/ios/app/h-module/id1572867850)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aviation Dictionary free?

Aviation Dictionary costs $3.99, with no in-app purchases.

### Is H free?

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

### Do Aviation Dictionary or H have ads?

Neither Aviation Dictionary nor H shows ads.

### Which is updated more often, Aviation Dictionary or H?

Aviation Dictionary ships an update every 34 months, and H every 7 months. Most recently, Aviation Dictionary was updated on October 15, 2026 and H on September 27, 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.*