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Encyclopedia by Farlex

Encyclopedia by Farlex

Science, World History, & More

405 ratings
79 reviews
With Ads
📚 Education
🔍 Reference
Free
In-App PurchasesWith Ads

Details

Released
September 11, 2015
Updated
November 20, 2025

Features

Developer

Farlex, Inc.
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iphone
ipad
🧾$4.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
⭐79
Reviews↘︎
📝6+ tags
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🔄6+ apps
Alternatives↘︎
❓5 answered
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📦w/o updates
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About

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 articles
✓24,000+ images
✓77,000+ audio pronunciations
✓Unlimited bookmarks
✓Native voice search
✓Advanced search options
✓Adjustable font size
Show original description

What users say about Encyclopedia by Farlex

Reviews of Encyclopedia by Farlex are mostly positive: the Reference app is rated 4.6/5 from 405 App Store ratings. What users like most: easy to use and navigate, comprehensive knowledge base. Top complaints: internet connectivity issues, opens search results in browser instead of app. Summarized from real user reviews.

Positive things

  • 👍Easy to use and navigate
  • 📚Comprehensive knowledge base
  • 🚀Fast and efficient search
  • 💰Free or affordable access
  • 📖Succinct articles for quick learning
  • 🎓Useful for students and research
  • 📱Handy mobile reference
  • ✅Well-organized and categorized information
  • 🔍Reliable source with references

Negative things

  • 🐛Internet connectivity issues
  • 📤Opens search results in browser instead of app
  • 📺Too many advertisements
  • ♿Poor accessibility for vision-impaired users
  • 📚Limited article coverage for some terms
  • ⏱️Outdated sources (Soviet Encyclopedia 1979)
  • 🔤Short/minimal text entries
See all reviews

What's New in Encyclopedia by Farlex

6.0

November 20, 2025

Improvements and fixes

1

Subscriptions & In-App Purchases

$4.99

Ad-free upgrade

Permanently remove all ads with a one-time purchase.

User reviews

Most RecentHighest RatedLowest Rated

Words of review

This encyclopedia is amazing! I use it when I find topics I don’t know about when I read! :)
BRBook person who writes reviews

Encyclopedia Brittanica

I For Real Wish I Was Reading Encyclopedia Brittanica!
Llyric3

Good but please make you delete searches

.
MPMyth prover

Opens search results in the browser, whereas I want search results to load in the app

This is meant to be an app, not a browser.
WWorldQuestioneer

Response from developer

Thank you for reaching out. Search results should open in the app, so please send a screenshot to support[at]tfd[dot]com so our development team can investigate.

App off knowledge

This application applies and provides accessible sophisticated knowledge.
Bboatdude65
See 74 more reviews

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User experience

🐞

Reported Bugs

3 issues

App displays 'No internet available' error despite active connection

Bug

VoiceOver accessibility not functioning properly

Bug

Search results not loading within app

Bug
✨

Requested Features

6 requests

Browse by topics or categories

Feature

Table of contents for related subjects

Feature

Delete search history option

Feature

Retractable menu bar for smaller screens

Feature

Flip through pages functionality

Feature

More comprehensive article coverage

Feature

FAQ

What kind of information does Encyclopedia by Farlex offer?

This app provides access to over 330,000 encyclopedia articles covering a vast array of topics including science, history, biographies, countries, technology, art, business, music, culture, food, and much more. It also includes over 77,000 audio pronunciations and 24,000 images to enhance learning.

Is Encyclopedia by Farlex free to use?

Yes, the app is free to download and use. It offers full access to all its content without any locked sections or trial periods, meaning no subscriptions are required.

What devices is Encyclopedia by Farlex compatible with?

The app is designed for use on iPhones and iPads. Some features, like native voice search and sharing via social networks, are dependent on supported devices.

How can I find information quickly in the app?

You can use the search bar with suggestions as you type, or utilize advanced search options like 'Starts with,' 'Ends with,' 'Contains,' and 'Wildcard.' You can also save unlimited bookmarks to your favorite articles for quick access.

What makes this encyclopedia app different from others?

This app draws content from highly trusted sources like McGraw-Hill, Harper-Collins, and Cambridge University Press, offering a comprehensive and authoritative collection of information. It also provides features like audio pronunciations and a large collection of images to aid in understanding.