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Head-to-head · Online Dictionaries

Cambridge Dictionary vs The Free Dictionary

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Cambridge Dictionary #1 in Online Dictionaries 9.4/10 Free plan Free plan✓ 3 of 4 features Visit site
The Free Dictionary #3 in Online Dictionaries 9.2/10 Free plan Free plan✓ 4 of 4 features Visit site

Cambridge Dictionary leads on 1 check, The Free Dictionary on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCambridge Dictionary · 9.4/10
  • Free planboth
  • Most featuresThe Free Dictionary · 4 of 4

Cambridge Dictionary scores higher on our rubric for online dictionaries: 9.4 against 9.2 out of 10; our editors rank them #1 and #3.

Cambridge Dictionary leads on languages covered: 29 versus 14.

Cambridge Dictionary is the better fit for learners needing authoritative English tools. The Free Dictionary is the better fit for users wanting the broadest free reference set.

  • Cambridge Dictionary fits best

    Learners needing authoritative English tools

  • The Free Dictionary fits best

    Users wanting the broadest free reference set

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Side by side

Feature Cambridge Dictionary 9.4/10 Visit ↗ The Free Dictionary 9.2/10 Visit ↗
At a glance
Editor score 9.4 9.2
Ranking #1 in Online Dictionaries #3 in Online Dictionaries
Best for Learners needing authoritative English tools Users wanting the broadest free reference set
Pricing model Free plan + paid Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Cloud, Mobile, Desktop
Platforms Web, iOS, Android Web, iOS, Android, macOS
Integrations 1 integrations 1 integrations
Features Cambridge Dictionary 3/4 · The Free Dictionary 4/4
Audio pronunciation ✓ ✓
Usage examples ✓ ✓
Translation lookup ✓ ✓
Offline access Not checked yet ✓ (best)
Specs
Mobile apps Ios_android Ios_android
Languages covered 29 (best) 14
Our review
Pros
  • British and American audio pronunciations with usage examples
  • Bilingual dictionaries and translation lookup across 29 languages
  • Free learning resources, mobile apps, and Dictionary API access
  • Dictionary, thesaurus, specialist dictionaries, and translation lookup
  • Offline access, audio pronunciations, voice search, and synchronized bookmarks
  • Available on web, iOS, Android, macOS, and through an API
Cons
  • Mobile applications provide access to selected Cambridge content
  • Some mobile content and ad-removal options may involve in-app purchases
  • The service centers on English learning and reference needs
  • The free plan includes advertising
  • The ad-free upgrade is limited to the iOS app
  • API access is described for calls from other apps, not a broader integration suite
Our verdict

Cambridge Dictionary is an online reference service from Cambridge University Press for English learners, teachers, and general language users. Its core offering combines English definitions with British and American audio pronunciations,…

Read the review →

The Free Dictionary is a reference service from Farlex, Inc. for looking up words, synonyms, translations, idioms, and specialist terminology. It combines dictionary and thesaurus lookup with medical, legal, science, financial, and idiom…

Read the review →
  1. Cambridge DictionaryOnline Dictionaries 9.4Free plan
  2. The Free DictionaryOnline Dictionaries 9.2Free plan

Strengths and trade-offs

  • Cambridge Dictionary — where it wins

    • British and American audio pronunciations with usage examples
    • Bilingual dictionaries and translation lookup across 29 languages
    • Free learning resources, mobile apps, and Dictionary API access

    Where it doesn't

    • Mobile applications provide access to selected Cambridge content
    • Some mobile content and ad-removal options may involve in-app purchases
    • The service centers on English learning and reference needs

  • The Free Dictionary — where it wins

    • Dictionary, thesaurus, specialist dictionaries, and translation lookup
    • Offline access, audio pronunciations, voice search, and synchronized bookmarks
    • Available on web, iOS, Android, macOS, and through an API

    Where it doesn't

    • The free plan includes advertising
    • The ad-free upgrade is limited to the iOS app
    • API access is described for calls from other apps, not a broader integration suite
  • Cambridge Dictionary9.4/10 · Free plan

    A broad English learning reference with free access, audio, examples, and bilingual lookup.

    Visit siteFull verdict →
  • The Free Dictionary9.2/10 · Free plan

    A broad free reference service with offline access, translations, and specialist dictionaries.

    Visit siteFull verdict →

More comparisons

All online dictionaries comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update