# Acronym Finder vs Deep Dictionary

The clearest difference is in-app purchases: Deep Dictionary at none against Acronym Finder's 1. Deep Dictionary also leads on update cadence (weekly vs every 10 months). Acronym Finder's advantage is ratings volume (919 vs 51) and review sentiment (93% vs 78%). On price, rating, ads and iOS requirement there is nothing between them.

Both are free to download. Acronym Finder 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 — 4.8 for Acronym Finder against 4.7 for Deep Dictionary. That said, the two scores are not equally well evidenced: Acronym Finder has 919 ratings behind it against 51, so its average is the more settled of the two. Written reviews are what separate them: 93% of Acronym Finder's written reviews are positive against 78% of Deep Dictionary's.

Acronym Finder ships an update every 10 months, Deep Dictionary weekly. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Acronym Finder | Deep Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (919 ratings)](https://appshunter.io/ios/app/acronym-finder/id1032748692/reviews)** | [4.7 (51 ratings)](https://appshunter.io/ios/app/deep-dictionary/id6451319239/reviews) |
| Number of ratings | **919** | 51 |
| Positive reviews | **92.6% of reviews** | 77.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 39 MB | 14 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Farlex, Inc.](https://appshunter.io/developer/379450386) | [DEEPCO](https://appshunter.io/developer/1697523614) |

## What reviewers say

### Acronym Finder

[App page](https://appshunter.io/ios/app/acronym-finder/id1032748692)

Access the world's largest verified database of acronyms, abbreviations, and initialisms. Quickly find meanings across various categories, even offline. Save and share your findings easily.

**Highlights:** 1 million+ verified acronyms, Offline search functionality, Category filtering, Unlimited bookmarking, Sharing capabilities

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free upgrade | $4.99 | one-time |

**What reviewers like**

- 👍 Comprehensive and detailed
- 🚀 Extremely useful and efficient
- 💡 Helpful for understanding acronyms in various domains
- 👍 Easy to use and navigate
- 👍 Accurate and reliable

**What reviewers complain about**

- 🐛 Occasional crashes or performance issues
- 💡 Could use more customization options (e.g., saved acronyms, filtering by category)
- 🔍 Lacking a 'contact us' feature for user support

**Reported bugs**

- App getting stuck on splash screen for some users
- Compatibility issues with newer iOS devices

**Requested features**

- Add ability to save custom acronyms
- Implement filtering and sorting options for acronyms
- Improve user interface and visual design


### 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 Acronym Finder free?

Acronym Finder is free to download, with in-app purchases available.

### Is Deep Dictionary free?

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

### Which has better reviews, Acronym Finder or Deep Dictionary?

Acronym Finder is rated higher. Acronym Finder averages 4.8 out of 5 from 919 ratings, while Deep Dictionary averages 4.7 from 51 ratings.

### Do Acronym Finder or Deep Dictionary have ads?

Both Acronym Finder and Deep Dictionary show ads.

### Which is updated more often, Acronym Finder or Deep Dictionary?

Acronym Finder ships an update every 10 months, and Deep Dictionary weekly. Most recently, Acronym Finder was updated on October 17, 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.*