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Head-to-head · Online Dictionaries

Collins Dictionary vs Dictionary.com

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Collins Dictionary #2 in Online Dictionaries 9.3/10 Free plan Free plan✓ 4 of 4 features Visit Collins
Dictionary.com #6 in Online Dictionaries 8.9/10 Free plan Free plan✓ 2 of 4 features Visit Dictionary.com

Collins Dictionary leads on 0 checks, Dictionary.com on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCollins Dictionary · 9.3/10
  • Free planboth
  • Most featuresCollins Dictionary · 4 of 4

Collins Dictionary scores higher on our rubric for online dictionaries: 9.3 against 8.9 out of 10; our editors rank them #2 and #6.

Collins Dictionary is the better fit for broad everyday dictionary users. Dictionary.com is the better fit for general English lookup and word games.

  • Collins Dictionary fits best

    Broad everyday dictionary users

  • Dictionary.com fits best

    General English lookup and word games

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Side by side

Feature Collins Dictionary 9.3/10 Visit ↗ Dictionary.com 8.9/10 Visit ↗
At a glance
Editor score 9.3 8.9
Ranking #2 in Online Dictionaries #6 in Online Dictionaries
Best for Broad everyday dictionary users General English lookup and word games
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile, Desktop Cloud, Mobile
Platforms Web, iOS, Android, macOS Web, iOS, Android
Features Collins Dictionary 4/4 · Dictionary.com 2/4
Audio pronunciation ✓ ✓
Usage examples ✓ ✓
Translation lookup ✓ (best) Not checked yet
Offline access ✓ (best) Not checked yet
Specs
Mobile apps Ios_android Ios_android
Languages covered 27 Not checked yet
Our review
Pros
  • Free web access with definitions, examples, and pronunciation tools
  • Translations and bilingual lookup across 27 languages
  • Offline dictionary access in iOS and Android apps
  • Free access across web, iOS, and Android
  • Audio pronunciation, examples, senses, and word forms
  • Adds thesaurus links, etymology, quizzes, and games
Cons
  • Paid mobile and desktop applications sit alongside the free service
  • Offline access is provided through mobile apps rather than the web
  • Its focus is language reference rather than a broader writing suite
  • Focused on English rather than broader translation workflows
  • Related synonym and antonym searches use Thesaurus.com
  • Editorial extras may exceed the needs of quick lookups
Our verdict

Collins Dictionary is an online reference service for people who need everyday definitions, translations, pronunciations, examples, and language-learning tools. It covers British and American English, with specialized subject definitions,…

Read the review →

Dictionary.com is a free online English dictionary for learners, writers, students, teachers, and anyone exploring language. Its searchable entries cover definitions, multiple word senses, audio pronunciation, usage examples, synonyms,…

Read the review →
  1. Collins DictionaryOnline Dictionaries 9.3Free plan
  2. Dictionary.comOnline Dictionaries 8.9Free plan

Strengths and trade-offs

  • Collins Dictionary — where it wins

    • Free web access with definitions, examples, and pronunciation tools
    • Translations and bilingual lookup across 27 languages
    • Offline dictionary access in iOS and Android apps

    Where it doesn't

    • Paid mobile and desktop applications sit alongside the free service
    • Offline access is provided through mobile apps rather than the web
    • Its focus is language reference rather than a broader writing suite
  • Dictionary.com — where it wins

    • Free access across web, iOS, and Android
    • Audio pronunciation, examples, senses, and word forms
    • Adds thesaurus links, etymology, quizzes, and games

    Where it doesn't

    • Focused on English rather than broader translation workflows
    • Related synonym and antonym searches use Thesaurus.com
    • Editorial extras may exceed the needs of quick lookups

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update