# American Heritage® Dictionary vs Aviation Dictionary

The clearest difference is price: Aviation Dictionary at $0.99 against American Heritage® Dictionary's $12.99. Aviation Dictionary also leads on review sentiment (100% vs 66%) and update cadence (every 10 days vs every 2 months). American Heritage® Dictionary's advantage is ratings volume (207 vs 8) and chart position (#57 vs unranked). On rating, ads, in-app purchases and device support there is nothing between them.

American Heritage® Dictionary costs $12.99 and Aviation Dictionary $0.99 up front. American Heritage® Dictionary sells 1 one-off in-app purchase and Aviation Dictionary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Aviation Dictionary holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: American Heritage® Dictionary has 207 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 66% of American Heritage® Dictionary's written reviews are positive against 100% of Aviation Dictionary's.

American Heritage® Dictionary ships an update every 2 months, Aviation Dictionary every 10 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | American Heritage® Dictionary | Aviation Dictionary |
| --- | --- | --- |
| Price | $12.99 | **$0.99** |
| Rating | [4.7 (207 ratings)](https://appshunter.io/ios/app/american-heritage-dictionary/id284965601/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/aviation-dictionary/id1526426935/reviews)** |
| Number of ratings | **207** | 8 |
| Positive reviews | 65.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#57** | — |
| Size | 386 MB | 12 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Enfour, Inc.](https://appshunter.io/developer/284965604) | [Andrew Barsby](https://appshunter.io/developer/1513102649) |

## What reviewers say

### American Heritage® Dictionary

[App page](https://appshunter.io/ios/app/american-heritage-dictionary/id284965601)

**Currently charting:** #57 Top Paid · Reference (US App Store)

Access a comprehensive digital dictionary with nearly 300,000 terms and thousands of sound files. Features include advanced search, etymology, and AI-powered tools for deeper understanding and language learning.

**Highlights:** Full dictionary text, 33,000+ example sentences, 64,000+ recorded sound files, Three-way cross-referencing search, Etymology with root links, AI Teacher for ESL students, Offline use

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Roget's II Thesaurus | $4.99 | one-time |

**What reviewers like**

- 🚀 Fast and efficient
- 👍 Comprehensive and authoritative
- 👍 Excellent pronunciation audio
- 👍 Helpful etymologies and word roots
- 👍 Seamless integration with Roget's Thesaurus

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🔋 Large app size can cause sync issues
- 🔒 Concerning privacy/security issues with unauthorized social media posts
- 👎 Overpriced compared to alternatives
- 👎 Lack of customization options (font size, themes, etc.)

**Reported bugs**

- Compatibility issues with newer iOS versions
- Unreliable audio playback
- Unexpected behavior when clearing search history

**Requested features**

- Ability to bookmark words and organize them into custom categories
- Improved search functionality (e.g. tapping words in definitions to jump to them)
- Landscape mode support
- Better sync/backup options for user data
- More visual aids and illustrations


### Aviation Dictionary

[App page](https://appshunter.io/ios/app/aviation-dictionary/id1526426935)

This offline dictionary provides over 7000 aviation terms and definitions, filtered by aviation authorities like FAA and ICAO. Access detailed information, including NOTAM and METAR abbreviations, with automatic dark mode and landscape support for pilots and enthusiasts.

**Highlights:** Offline search for aviation terms, Definitions filtered by state (FAA, EASA, ICAO), Includes NOTAM, MET, AIP definitions, Automatic dark mode, Portrait and landscape modes, Links to Google/Wikipedia for more info

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Aviation Terms | $3.99 | one-time |


## Frequently asked questions

### Is American Heritage® Dictionary free?

American Heritage® Dictionary costs $12.99, and also offers in-app purchases.

### Is Aviation Dictionary free?

Aviation Dictionary costs $0.99, and also offers in-app purchases.

### Which has better reviews, American Heritage® Dictionary or Aviation Dictionary?

Aviation Dictionary is rated higher. American Heritage® Dictionary averages 4.7 out of 5 from 207 ratings, while Aviation Dictionary averages 4.9 from 8 ratings.

### Do American Heritage® Dictionary or Aviation Dictionary have ads?

Neither American Heritage® Dictionary nor Aviation Dictionary shows ads.

### Which is updated more often, American Heritage® Dictionary or Aviation Dictionary?

American Heritage® Dictionary ships an update every 2 months, and Aviation Dictionary every 10 days. Most recently, American Heritage® Dictionary was updated on October 31, 2026 and Aviation Dictionary on October 24, 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.*