# Dictionary and Thesaurus Pro vs Collins Dictionary+Thesaurus

The clearest difference is rating: Dictionary and Thesaurus Pro at 4.9 against Collins Dictionary+Thesaurus's 3.9. Dictionary and Thesaurus Pro also leads on in-app purchases (none vs 1) and ratings volume (2.6K vs 15). Collins Dictionary+Thesaurus's advantage is price ($6.99 vs $9.99). On update cadence, ads, device support and iOS requirement there is nothing between them.

Dictionary and Thesaurus Pro costs $9.99 and Collins Dictionary+Thesaurus $6.99 up front. Collins Dictionary+Thesaurus sells 1 one-off in-app purchase. Dictionary and Thesaurus Pro asks for nothing beyond the download.

Dictionary and Thesaurus Pro holds the better App Store score, 4.9 against 3.9. That said, the two scores are not equally well evidenced: Dictionary and Thesaurus Pro has 2.6K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 87% of Dictionary and Thesaurus Pro's written reviews are positive against 72% of Collins Dictionary+Thesaurus's.

Dictionary and Thesaurus Pro ships an update every 4 months, Collins Dictionary+Thesaurus every 6 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Dictionary and Thesaurus Pro | Collins Dictionary+Thesaurus |
| --- | --- | --- |
| Price | $9.99 | **$6.99** |
| Rating | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/dictionary-and-thesaurus-pro/id492085918/reviews)** | [3.9 (15 ratings)](https://appshunter.io/ios/app/collins-dictionary-plus-thesaurus/id926221123/reviews) |
| Number of ratings | **2.6K** | 15 |
| Positive reviews | **86.6% of reviews** | 72.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#118** | — |
| Size | 22 MB | 429 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Farlex, Inc.](https://appshunter.io/developer/379450386) | [HarperCollins Publishers Ltd](https://appshunter.io/developer/355861228) |

## What reviewers say

### Dictionary and Thesaurus Pro

[App page](https://appshunter.io/ios/app/dictionary-and-thesaurus-pro/id492085918)

**Currently charting:** #118 Top Paid · Reference (US App Store)

Access a comprehensive offline dictionary and thesaurus with extensive content in multiple languages. Explore definitions, synonyms, and specialized dictionaries for various fields. Enjoy an ad-free experience with features like word games and instant lookups.

**Highlights:** Ad-free experience, Offline English dictionary and thesaurus, Offline dictionaries in 13 languages, Offline translations to over 40 languages, Specialty dictionaries (Medical, Legal, etc.), Word games and daily content, Instant word lookup from other apps

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Comprehensive and detailed definitions
- 💡 Helpful translation and pronunciation features
- 👍 Useful word games and trivia
- 👍 Offline mode availability

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Limited thesaurus functionality
- 🔍 Lack of customization options
- 💰 Paid version required to remove ads

**Reported bugs**

- Search function sometimes fails to load definitions
- Offline mode has fewer word entries than online
- Occasional sync issues between online and offline data

**Requested features**

- Add more language dictionaries
- Improve thesaurus with more synonyms and antonyms
- Implement flashcard or vocabulary building features
- Allow users to save custom word lists


### Collins Dictionary+Thesaurus

[App page](https://appshunter.io/ios/app/collins-dictionary-plus-thesaurus/id926221123)

Access a comprehensive English dictionary and thesaurus with over 722,000 words, meanings, and phrases, plus 410,000 synonyms and antonyms. This offline app includes pronunciation audio, usage notes, etymologies, and specialized vocabulary for writers, students, and word game enthusiasts.

**Highlights:** Extensive vocabulary (722k+ words, 410k+ synonyms), Offline access with pronunciation audio, Crossword and Scrabble solver features, Latest words and technical vocabulary, Usage notes and etymologies, Search within entries and definitions, Custom actions for use in other apps

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Headword Audio Pack | Free | one-time |


## Frequently asked questions

### Is Dictionary and Thesaurus Pro free?

Dictionary and Thesaurus Pro costs $9.99, with no in-app purchases.

### Is Collins Dictionary+Thesaurus free?

Collins Dictionary+Thesaurus costs $6.99, and also offers in-app purchases.

### Which has better reviews, Dictionary and Thesaurus Pro or Collins Dictionary+Thesaurus?

Dictionary and Thesaurus Pro is rated higher. Dictionary and Thesaurus Pro averages 4.9 out of 5 from 2.6K ratings, while Collins Dictionary+Thesaurus averages 3.9 from 15 ratings.

### Do Dictionary and Thesaurus Pro or Collins Dictionary+Thesaurus have ads?

Neither Dictionary and Thesaurus Pro nor Collins Dictionary+Thesaurus shows ads.

### Which is updated more often, Dictionary and Thesaurus Pro or Collins Dictionary+Thesaurus?

Dictionary and Thesaurus Pro ships an update every 4 months, and Collins Dictionary+Thesaurus every 6 months. Most recently, Dictionary and Thesaurus Pro was updated on October 29, 2026 and Collins Dictionary+Thesaurus on October 29, 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.*