Collins Dictionary+Thesaurus

Collins Dictionary+Thesaurus

By HarperCollins Publishers

Collins Dictionary+Thesaurus is a comprehensive iOS reference tool providing access to over 722,000 words, meanings, and phrases alongside 410,000 synonyms and antonyms. The app functions entirely offline, offering pronunciation audio and a database that includes place names and biographies. It is marketed as a living language resource that tracks modern linguistic evolution.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Language learners, writers, and professionals seeking a comprehensive, offline English dictionary and thesaurus.

What does it look like?

Key features

Comprehensive Databasestandard

Includes over 722,000 words, meanings, and phrases with 410,000 synonyms and antonyms.

Offline Functionalitystandard

Provides full access to dictionary content and pronunciation audio without requiring an internet connection.

Expanded Reference Contentstandard

Features over 8,500 place names and 5,500 biographies to provide additional factual context.

Usage Notesstandard

Offers specific advice on word usage to assist with language clarity.

How much does it cost?

paid

Velocity

Dormant developmentShow more...

5 versions in history. Development pace: zombie.

See all version history

Who built it?

HarperCollins Publishers

7 apps tracked · Reference

Prof Brian Cox's UniverseProf Brian Cox's UniverseCollins English DictionaryCollins English DictionaryBrian Cox's Wonders of LifeBrian Cox's Wonders of LifeVocab ExpressVocab ExpressMills & Boon Happy Ever After iMessage StickersMills & Boon Happy Ever After iMessage StickersThe Collins HubThe Collins Hub
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
3.87 · 15

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Collins Dictionary+Thesaurus

How's the Reference market?

The rivals identified

Dictionary.com: English Words

By Curiosity Media

Both apps target language learners and professionals seeking English reference tools, creating direct competition for users prioritizing dictionary and thesaurus access.

  • Dictionary.com provides editorial articles and a Dictionary Shuffle feature, whereas Collins Dictionary+Thesaurus focuses on a static, comprehensive reference database.
  • Dictionary.com operates on an ad-supported model, while Collins Dictionary+Thesaurus requires a one-time purchase for access.
Collins Dictionary+Thesaurus vs Dictionary.com: English Words
Show 2 more

Unlock the head-to-head verdict: where this rival wins, and where it loses.

Access the full report for free

The Analyst's Read

Key takeaways for Collins Dictionary+Thesaurus

Where is it heading?

Bottom line

While the app offers a robust offline database, user feedback highlights significant concerns regarding search coverage and value compared to competing dictionary products.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Collins Dictionary+Thesaurus, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Collins Dictionary+Thesaurus Intelligence Report.” Updated Apr 27, 2026. https://marlvel.ai/apps/collins-dictionary-thesaurus-1

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