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Head-to-head · Online Encyclopedias

Wikipedia vs Encyclopedia.com

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Wikipedia #1 in Online Encyclopedias 9.4/10 Free plan Free plan✓ 3 of 4 features Visit Wikipedia
Encyclopedia.com #4 in Online Encyclopedias 8.8/10 Free plan Free plan✓ 2 of 4 features Try Encyclopedia.com

Wikipedia leads on 0 checks, Encyclopedia.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 scoreWikipedia · 9.4/10
  • Free planboth
  • Most featuresWikipedia · 3 of 4

Wikipedia scores higher on our rubric for online encyclopedias: 9.4 against 8.8 out of 10; our editors rank them #1 and #4.

Wikipedia is the better fit for free, broad everyday research. Encyclopedia.com is the better fit for free source-based reference browsing.

  • Wikipedia fits best

    Free, broad everyday research

  • Encyclopedia.com fits best

    Free source-based reference browsing

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Wikipedia 9.4/10 Visit ↗ Encyclopedia.com 8.8/10 Visit ↗
At a glance
Editor score 9.4 8.8
Ranking #1 in Online Encyclopedias #4 in Online Encyclopedias
Best for Free, broad everyday research Free source-based reference browsing
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Features Wikipedia 3/4 · Encyclopedia.com 2/4
Citation tools ✓ ✓
Educator resources ✓ (best) Not checked yet
Institutional access Not checked yet ✓ (best)
Mobile apps ✓ (best) Not checked yet
Specs
Content formats Multimedia Multimedia
Update frequency Continuous Continuous
Our review
Pros
  • Free access across web, iOS, and Android
  • Multilingual articles with inline citations and references
  • Revision histories, discussions, watchlists, and notifications
  • Free access to reference entries, dictionaries, biographies, and summaries
  • MLA, Chicago, and APA citation generation
  • Multimedia topic pages with related newspaper and magazine articles
Cons
  • Volunteer editing can produce varied article coverage
  • Offline saving and reading is available through Android
  • No conventional paid plans or paid-tier feature structure
  • Web-based access is the primary listed platform
  • Coverage centers on reference browsing rather than specialized research workflows
  • Content printing and downloads are limited to personal use
Our verdict

Wikipedia is a free, multilingual online encyclopedia operated by the nonprofit Wikimedia Foundation. It serves readers who need broad everyday research across text and images, with articles written, edited, and fact-checked by a global…

Read the review →

Encyclopedia.com is a free web-based reference service for students, researchers, and general readers who need searchable encyclopedia entries and related reference material. Its collection includes encyclopedia entries, dictionaries,…

Read the review →
  1. WikipediaOnline Encyclopedias 9.4Free plan
  2. Encyclopedia.comOnline Encyclopedias 8.8Free plan

Strengths and trade-offs

  • Wikipedia — where it wins

    • Free access across web, iOS, and Android
    • Multilingual articles with inline citations and references
    • Revision histories, discussions, watchlists, and notifications

    Where it doesn't

    • Volunteer editing can produce varied article coverage
    • Offline saving and reading is available through Android
    • No conventional paid plans or paid-tier feature structure
  • Encyclopedia.com — where it wins

    • Free access to reference entries, dictionaries, biographies, and summaries
    • MLA, Chicago, and APA citation generation
    • Multimedia topic pages with related newspaper and magazine articles

    Where it doesn't

    • Web-based access is the primary listed platform
    • Coverage centers on reference browsing rather than specialized research workflows
    • Content printing and downloads are limited to personal use

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update