# Collins vs Dictionary and Thesaurus Pro

The clearest difference is review sentiment: Dictionary and Thesaurus Pro at 87% against Collins's 60%. Dictionary and Thesaurus Pro also leads on price ($9.99 vs $14.99) and rating (4.9 vs 4.7). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Collins costs $14.99 and Dictionary and Thesaurus Pro $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dictionary and Thesaurus Pro holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 635 and 2.6K respectively. Written reviews point the same way: 60% of Collins's written reviews are positive against 87% of Dictionary and Thesaurus Pro's.

Collins ships an update every 5 months, Dictionary and Thesaurus Pro every 4 months. Both last shipped on September 28, 2026.

## The numbers

| Metric | Collins | Dictionary and Thesaurus Pro |
| --- | --- | --- |
| Price | $14.99 | **$9.99** |
| Rating | [4.7 (635 ratings)](https://appshunter.io/ios/app/collins-robert-concise/id292238137/reviews) | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/dictionary-and-thesaurus-pro/id492085918/reviews)** |
| Number of ratings | 635 | **2.6K** |
| Positive reviews | 59.8% of reviews | **86.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#41** |
| Size | 18 MB | 22 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ultralingua, Inc.](https://appshunter.io/developer/284677754) | [Farlex, Inc.](https://appshunter.io/developer/379450386) |

## What reviewers say

### Collins

[App page](https://appshunter.io/ios/app/collins-robert-concise/id292238137)

This comprehensive French-English dictionary offers extensive vocabulary, verb conjugations, and usage notes. It provides smart search functionality, offline access, and text-to-speech for pronunciation. Ideal for students and language professionals needing a reliable reference tool.

**Highlights:** 57,000 headwords and 190,000 translations, 90,000+ example phrases, Full verb conjugations, Hundreds of usage notes, No internet connection required, Smart search with misspelling correction, Text-to-speech pronunciation

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🚀 Comprehensive dictionary
- 🚀 Excellent verb conjugations
- 🚀 Offline availability
- 👍 Detailed definitions and examples

**What reviewers complain about**

- 🐛 Crashes and bugs after updates
- 🐛 Missing common words and expressions
- 🔍 Difficult to navigate and search
- 💰 Expensive for an app
- 🔍 Clunky interface

**Reported bugs**

- Keyboard and display issues after updates
- Incorrect verb conjugations
- Inability to search for conjugated forms

**Requested features**

- Audio pronunciations
- Ability to save/review words
- Improved search and navigation
- Expanded vocabulary coverage
- Night mode option


### Dictionary and Thesaurus Pro

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

**Currently charting:** #41 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


## Frequently asked questions

### Is Collins free?

Collins costs $14.99, with no in-app purchases.

### Is Dictionary and Thesaurus Pro free?

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

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

Dictionary and Thesaurus Pro is rated higher. Collins averages 4.7 out of 5 from 635 ratings, while Dictionary and Thesaurus Pro averages 4.9 from 2.6K ratings.

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

Neither Collins nor Dictionary and Thesaurus Pro shows ads.

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

Collins ships an update every 5 months, and Dictionary and Thesaurus Pro every 4 months. Most recently, Collins was updated on September 28, 2026 and Dictionary and Thesaurus Pro on September 28, 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.*