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Best Encyclopedia Britannica Apps

175+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated August 2026

With an average user rating of 4.7★, the encyclopedia britannica category is one of the App Store's strongest. Browse all 175+ apps we track, sorted so the most loved ones surface first.

Compare top Encyclopedia Britannica Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Britannica Collective for HKPLBritannica Collective for HKPLFree—NoNoAug 2026
2WikipediaWikipediaFree4.3★ (6.2K)NoNoAug 2026
3World History EncyclopediaWorld History EncyclopediaFree4.9★ (27)YesNoAug 2026
4Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesAug 2026
5Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesAug 2026
6World Map +World Map +Free4.7★ (8K)YesNoAug 2026
7Academia.eduAcademia.eduFree4.8★ (17K)NoYesAug 2026
8Encyclopedia by FarlexEncyclopedia by FarlexFree4.6★ (401)YesYesAug 2026

Top Picks for Encyclopedia Britannica

Wikipedia#2

Wikipedia by Wikimedia Foundation

The Free Encyclopedia
Strong Contender
🔍 Reference
4.3😐(6.2K ratings)
Free
#72in Reference
Wikipedia screenshot 1
Wikipedia screenshot 2
Wikipedia screenshot 3
Wikipedia screenshot 4
Wikipedia screenshot 5
Wikipedia screenshot 6

Access the world's largest free knowledge base with over 60 million articles in nearly 300 languages. Explore trending topics, save articles for offline reading, and customize your reading experience with various themes and text sizes. Contribute to the community by editing articles and participating in discussions.

What We Love

  • 🚀 Vast information repository
  • 👍 Customizable reading experience
  • 🚀 Convenient offline access
  • 👍 Reliable and trustworthy content

Room to Improve

  • 🐛 Occasional crashes and freezes
  • 🔋 High data usage and battery drain
  • 🔒 Concerns about political bias and censorship

More Encyclopedia Britannica apps to explore

4
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

Access America's most respected dictionary, updated with new words and meanings. This app offers offline access, voice search, daily vocabulary challenges, and a thesaurus. It's designed for English language reference, education, and vocabulary enhancement.

Offline dictionary accessVoice search for wordsDaily Word of the Day
🔍 Reference
(324K)
free with in-app purchases
5
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Etymology & Offline Vocabulary
Free

Access a vast collection of dictionaries and thesauruses with definitions, pronunciations, and etymology. Features include offline access, advanced search options, and personalized word lists. Ideal for students, professionals, and word enthusiasts.

15 Oxford DictionariesThesaurus integrationAudio pronunciations
🔍 Reference
(29K)
free with in-app purchases
6
World Map +
World Map +
World Map +
Quick Reference World Maps
Free

Access essential world maps for quick reference and navigation. Explore political, detailed, and time zone maps, with interesting facts about countries. Works online and offline, ideal for students, travelers, and curious minds.

Quick access to essential world mapsPolitical, Detailed, and Time Zones MapsEasy map switching
🔍 Reference
(8K)
ad-supported
7
Academia.edu
Academia.edu
Academia.edu
Accelerating research
Free

Access a vast library of open-access research papers on your mobile device. Discover new studies, track mentions and readership of your work, and connect with fellow scholars. Explore millions of academic papers on diverse topics.

Discover and read researchSave research papersTrack mentions and readership
📚 Education
(17K)
free with in-app purchases
8
Encyclopedia by Farlex
Encyclopedia by Farlex
Encyclopedia by Farlex
Science, World History, & More
Free

Access over 330,000 articles, 77,000 audio pronunciations, and 24,000 images from trusted sources. This app provides in-depth information on a vast range of topics, perfect for students, professionals, or the curious.

330,000+ encyclopedia articles24,000+ images77,000+ audio pronunciations
🔍 Reference
(401)
free with in-app purchases
9
Encyclopedia : 25,000+ topic
Encyclopedia : 25,000+ topic
Encyclopedia : 25,000+ topic
Animals, Nature & Wildlife
Free

Access a vast digital encyclopedia with over 25,000 topics and articles covering nature, cities, and more. Read content or have it read aloud, and explore over 100 high-definition images per article. Discover popular places in over 1000 cities worldwide.

25,000+ topics and articles10 diverse categoriesRead-aloud functionality
🔍 Reference
(66)
ad-supported
10
Geography of the World
Geography of the World
Geography of the World
Encyclopedia & Quiz
Free

Explore a comprehensive world encyclopedia with over 50,000 facts on countries and territories. Test your knowledge with 9 types of quiz games covering flags, capitals, and locations. Ideal for geography enthusiasts and learners.

Extensive country and territory data9 types of geography quiz gamesFlag, capital, and location quizzes
📚 Education
(1.2K)
free with in-app purchases
11
History •
History •
History •
Today Happening in History
Free

Explore historical events that occurred on this day. Access information from diverse global sources and languages, with options to personalize the app's appearance. Tap on any event for further details and related links.

Chronological daily eventsMultiple language sourcesBrowse events with navigation
📚 Education
(2.7K)
ad-supported
12
Nabulsi Encyclopedia
Nabulsi Encyclopedia
Nabulsi Encyclopedia
of Islamic Science
Free

Explore a vast Islamic science encyclopedia with audio, video, and text lectures. Discover daily quotes, new topics, fatwas, and e-books. This comprehensive resource offers interactive content and easy navigation for in-depth learning.

Audio, video, and text lecturesInteractive main pageDaily quotes and new topics
📚 Education
(42)
free
13
Islamopedia-Audio Encyclopedia
Islamopedia-Audio Encyclopedia
Islamopedia-Audio Encyclopedia
Your Islamic Encyclopedia
Free

Access the Holy Quran, Islamic audio lessons, and essential worship tools like prayer times and Qibla. Resume listening where you left off and track completed content. New content is added automatically without app updates.

Holy Quran recitationsIslamic audio lessonsPrayer Times
🌟 Lifestyle
(2)
free
14
Greeks Encyclopedia
Greeks Encyclopedia
Greeks Encyclopedia
Greek Inventors history app
$1.99
📚 Education
(0)
15
Omnipedia—Offline Encyclopedia
Omnipedia—Offline Encyclopedia
Omnipedia—Offline Encyclopedia
Offline browser for Wikipedia
Free

Access a vast offline encyclopedia, even without internet. This app provides fast, private access to millions of articles, with monthly updates and personalized recommendations. Enjoy a clean interface, customizable appearance, and on-device AI for quick answers.

Offline Wikipedia accessLightning-fast searchOn-device AI for answers
🔍 Reference
(1)
free with in-app purchases
16
Soccer Encyclopedia & Trivia
Soccer Encyclopedia & Trivia
Soccer Encyclopedia & Trivia
Quizzes, stats & records
Free
⚽ Sports
(0)
17
Caliphates Encyclopedia
Caliphates Encyclopedia
Caliphates Encyclopedia
by FadiSoft Inc.
$0.99
📚 Education
(0)
18
Biology Encyclopedia
Biology Encyclopedia
Biology Encyclopedia
by Harikrishna Patel
Free
📚 Education
(0)
19
KSARS: Azeemi Encyclopedia
KSARS: Azeemi Encyclopedia
KSARS: Azeemi Encyclopedia
KSARS
Free

This reference app offers divine knowledge and spiritual insights to help users discover their true selves and connect with their Creator. It aims to foster a blissful life by unlocking latent spiritual potential. The application is free to download and use without registration.

Divine knowledge and spiritual insightsSelf-discovery and inner potentialConnection with the Creator
📚 Education
(3)
free
20
Zukanly -Nature Encyclopedia
Zukanly -Nature Encyclopedia
Zukanly -Nature Encyclopedia
Build Your Own Field Guide
Free
📚 Education
(0)

FAQ about Encyclopedia Britannica

Are there free encyclopedia britannica apps for iPhone?
Yes — 18 of the top encyclopedia britannica apps we rank are free to download, including Britannica Collective for HKPL and Wikipedia.
Britannica Collective for HKPL has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 175+ encyclopedia britannica apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.