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Head-to-head · Online Dictionaries

Collins Dictionary vs American Heritage Dictionary

  • 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
American Heritage Dictionary #14 in Online Dictionaries 8.1/10 Free plan Free plan✓ 4 of 4 features Visit the dictionary

Collins Dictionary leads on 0 checks, American Heritage Dictionary 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

Collins Dictionary scores higher on our rubric for online dictionaries: 9.3 against 8.1 out of 10; our editors rank them #2 and #14.

Collins Dictionary is the better fit for broad everyday dictionary users. American Heritage Dictionary is the better fit for detailed English usage and etymology.

  • Collins Dictionary fits best

    Broad everyday dictionary users

  • American Heritage Dictionary fits best

    Detailed English usage and etymology

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Side by side

Feature Collins Dictionary 9.3/10 Visit ↗ American Heritage Dictionary 8.1/10 Visit ↗
At a glance
Editor score 9.3 8.1
Ranking #2 in Online Dictionaries #14 in Online Dictionaries
Best for Broad everyday dictionary users Detailed English usage and etymology
Pricing model Free plan + paid Free plan + paid
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 · American Heritage Dictionary 4/4
Audio pronunciation ✓ ✓
Usage examples ✓ ✓
Translation lookup ✓ ✓
Offline access ✓ ✓
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
  • Usage Panel guidance supports grammar and usage decisions.
  • Etymologies include Indo-European and Semitic root appendices.
  • Mobile apps offer voice, camera, audio, and offline lookup.
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
  • Its reference focus is English rather than broad multilingual coverage.
  • Audio and offline lookup require the full mobile version.
  • Mobile pricing and feature availability differ by store and app version.
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 →

American Heritage Dictionary is an English reference dictionary for students, professionals, academics, and general readers. It provides searchable dictionary entries on the web and through iOS and Android apps, with definitions,…

Read the review →
  1. Collins DictionaryOnline Dictionaries 9.3Free plan
  2. American Heritage DictionaryOnline Dictionaries 8.1Free 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

  • American Heritage Dictionary — where it wins

    • Usage Panel guidance supports grammar and usage decisions.
    • Etymologies include Indo-European and Semitic root appendices.
    • Mobile apps offer voice, camera, audio, and offline lookup.

    Where it doesn't

    • Its reference focus is English rather than broad multilingual coverage.
    • Audio and offline lookup require the full mobile version.
    • Mobile pricing and feature availability differ by store and app version.
  • Collins Dictionary9.3/10 · Free plan

    A broad free dictionary for definitions, language tools, translations, and offline mobile lookup.

    Visit CollinsFull verdict →
  • American Heritage Dictionary8.1/10 · Free plan

    A detailed English reference for definitions, usage, etymology, and pronunciation.

    Visit the dictionaryFull 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