Head-to-head · Online Dictionaries
The Free Dictionary vs American Heritage Dictionary
The Free 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 scoreThe Free Dictionary · 9.2/10
- Free planboth
The Free Dictionary scores higher on our rubric for online dictionaries: 9.2 against 8.1 out of 10; our editors rank them #3 and #14.
The Free Dictionary is the better fit for users wanting the broadest free reference set. American Heritage Dictionary is the better fit for detailed English usage and etymology.
- The Free Dictionary fits best
Users wanting the broadest free reference set
- American Heritage Dictionary fits best
Detailed English usage and etymology
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Side by side
| Feature | The Free Dictionary 9.2/10 Visit ↗ | American Heritage Dictionary 8.1/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.1 |
| Ranking | #3 in Online Dictionaries | #14 in Online Dictionaries |
| Best for | Users wanting the broadest free reference set | 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 The Free 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 | 14 | Not checked yet |
| Our review | ||
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| Cons |
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| Our verdict | 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 → |
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 → |
Strengths and trade-offs
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
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.
- The Free Dictionary9.2/10 · Free plan
A broad free reference service with offline access, translations, and specialist dictionaries.
Visit siteFull verdict → - American Heritage Dictionary8.1/10 · Free plan
A detailed English reference for definitions, usage, etymology, and pronunciation.
Visit the dictionaryFull verdict →
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All online dictionaries comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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