# American Heritage® Dictionary vs Deep Dictionary

The clearest difference is price: Deep Dictionary at Free against American Heritage® Dictionary's $12.99. Deep Dictionary also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 2 months). American Heritage® Dictionary's advantage is ads (none vs shown) and ratings volume (204 vs 51). On rating and iOS requirement there is nothing between them.

Deep Dictionary is free to download; American Heritage® Dictionary costs $12.99 up front. American Heritage® Dictionary sells 1 one-off in-app purchase. Deep Dictionary asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for American Heritage® Dictionary against 4.7 for Deep Dictionary. Both are backed by a comparable volume of ratings — 204 and 51 respectively. Written reviews are what separate them: 66% of American Heritage® Dictionary's written reviews are positive against 78% of Deep Dictionary's.

American Heritage® Dictionary ships an update every 2 months, Deep Dictionary weekly. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | American Heritage® Dictionary | Deep Dictionary |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | [4.7 (204 ratings)](https://appshunter.io/ios/app/american-heritage-dictionary/id284965601/reviews) | [4.7 (51 ratings)](https://appshunter.io/ios/app/deep-dictionary/id6451319239/reviews) |
| Number of ratings | **204** | 51 |
| Positive reviews | 65.6% of reviews | **77.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 386 MB | 14 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [Enfour, Inc.](https://appshunter.io/developer/284965604) | [DEEPCO](https://appshunter.io/developer/1697523614) |

## What reviewers say

### American Heritage® Dictionary

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

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


### Deep Dictionary

[App page](https://appshunter.io/ios/app/deep-dictionary/id6451319239)

Access definitions from various sources like Wikipedia and Urban Dictionary, with multilingual support and pronunciation guides. Enhance your vocabulary with synonyms, related words, and real-life usage examples.

**Highlights:** Multilingual definitions, Urban Dictionary slang integration, Wikipedia content access, Pronunciation guides and usage examples, Comprehensive thesaurus, Images and contextual phrases

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

**In-app purchases:** none


## Frequently asked questions

### Is American Heritage® Dictionary free?

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

### Is Deep Dictionary free?

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

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

American Heritage® Dictionary and Deep Dictionary are both rated 4.7 out of 5 on the App Store, from 204 and 51 ratings respectively.

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

Deep Dictionary shows ads; American Heritage® Dictionary does not.

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

American Heritage® Dictionary ships an update every 2 months, and Deep Dictionary weekly. Most recently, American Heritage® Dictionary was updated on October 16, 2026 and Deep Dictionary on October 5, 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.*