Comparison

Encyclopedia by Farlex vs Quick Synonyms

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Encyclopedia by Farlex

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.

Highlights
  • 330,000+ encyclopedia articles
  • 24,000+ images
  • 77,000+ audio pronunciations
  • Unlimited bookmarks
  • Native voice search
  • Advanced search options
  • Adjustable font size
Features
Read full description

Encyclopedia by Farlex gives you free, instant access to more than 330,000 articles, over 77,000 audio pronunciations, and 24,000 images, all from the most trusted sources, including McGraw-Hill, Harper-Collins, Cambridge University Press, and more—all in one app! Whether you're a student, professional, or just curious about the world, this free encyclopedia app can help you find clear, in-depth articles on vast amount of topics right on your iPhone or iPad. Search multiple authoritative encyclopedias and specialty dictionaries for entries on: Science History Animals, plants, and the natural world Biographies of prominent figures Countries Technology Art Business Music Culture Food + much more… FEATURES: * Search 330,000+ encyclopedia articles on any topic you can think of, all from top sources you won't find anywhere else. * Learn by seeing: 24,000+ images, including vivid photos, diagrams, and illustrations. * Save unlimited bookmarks to quickly access your favorite articles. * Use native voice search to look up a word just by saying it. (With supported devices) * See search suggestions as you type and always find what you're looking for. * View your recent searches. * Perform advanced searches, including "Starts with," "Ends with," "Contains," and "Wildcard." * Adjust font size. * Listen to 70,000+ audio pronunciations for both American and British speakers. * Share your favorite articles via social networks, email, and text. (With supported devices) User-friendly, comprehensive, and authoritative: Encyclopedia by Farlex is the perfect free app for students, professionals, and anyone curious about the world. This is NOT a preview or a trial version, and there is no "locked" content. Open the app on your iPhone or iPad and immediately access all content — no subscriptions required! How do we do it? TheFreeDictionary.com - Farlex apps have been downloaded tens of millions times across multiple platforms, with top ratings after hundreds of thousands of reviews. We work with the best publishers to bring together trusted content in the most comprehensive, authoritative dictionary apps on the market. Our flagship app is The Free Dictionary (TFD), powered by TheFreeDictionary.com. Find our other apps by searching "Dictionary by Farlex" in the App Store.

About

Quick Synonyms

Instantly find synonyms for any word directly within other iOS apps. Select text, tap Share, and choose the synonym lookup option.

Highlights
  • Text action extension
  • In-app synonym lookup
  • Share menu integration
  • Works across system apps
Read full description

Quick Synonyms provides an iOS text action extension that makes it easy to look up synonyms for words in any app on the system. Just select a word, tap Share from the menu that appears, and choose "Find Synonyms".

Screenshots

Encyclopedia by Farlex4 screens
Quick Synonyms3 screens

Verdict

The call

The clearest difference is price: Encyclopedia by Farlex at Free against Quick Synonyms's $4.99. Encyclopedia by Farlex also leads on ratings volume (405 vs 3) and device support (3 vs 1). Quick Synonyms's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Encyclopedia by Farlex is free to download; Quick Synonyms costs $4.99 up front. Encyclopedia by Farlex sells 1 one-off in-app purchase. Quick Synonyms asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Quick Synonyms holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Encyclopedia by Farlex has 405 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 87% of Encyclopedia by Farlex's written reviews are positive against 100% of Quick Synonyms's.

UpkeepUpdate frequency

Encyclopedia by Farlex ships an update every 17 months, Quick Synonyms every 32 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard8 real differences · 2 level
Encyclopedia by Farlex versus Quick Synonyms: the parameters behind the verdict, then further details
ParameterEncyclopedia by FarlexQuick Synonyms
PriceFree — better$4.99
Rating4.6 (405 ratings)5.0 (3 ratings) — better
Positive reviews87.3% of reviews100.0% of reviews — better
Number of ratings405 — better3
Update frequencyEvery 17 months — betterEvery 32 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size43 MB1 MB
Age rating4+4+
DeveloperFarlex, Inc.Furnace Creek Software LLC

Customer experience

Encyclopedia by Farlex

All ratings401 ratings
Positive89.5%
Neutral5.7%
Negative4.7%
Written reviews79 reviews
Positive87.3%
Neutral3.8%
Negative8.9%

Quick Synonyms

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Encyclopedia by Farlex

Reported bugs

3 issues
  • App displays 'No internet available' error despite active connection
  • VoiceOver accessibility not functioning properly
  • Search results not loading within app

Requested features

6 requests
  • Browse by topics or categories
  • Table of contents for related subjects
  • Delete search history option
  • Retractable menu bar for smaller screens
  • Flip through pages functionality
Show 1 more
  • More comprehensive article coverage

Quick Synonyms

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Encyclopedia by Farlex

One-time1
  • Ad-free upgrade$4.99
None

Quick Synonyms

No in-app purchases

Questions

Is Encyclopedia by Farlex free?
Encyclopedia by Farlex is free to download, with in-app purchases available.
Is Quick Synonyms free?
Quick Synonyms costs $4.99, with no in-app purchases.
Which has better reviews, Encyclopedia by Farlex or Quick Synonyms?
Quick Synonyms is rated higher. Encyclopedia by Farlex averages 4.6 out of 5 from 405 ratings, while Quick Synonyms averages 5.0 from 3 ratings.
Do Encyclopedia by Farlex or Quick Synonyms have ads?
Encyclopedia by Farlex shows ads; Quick Synonyms does not.
Which is updated more often, Encyclopedia by Farlex or Quick Synonyms?
Encyclopedia by Farlex ships an update every 17 months, and Quick Synonyms every 32 months. Most recently, Encyclopedia by Farlex was updated on October 21, 2026 and Quick Synonyms on October 24, 2026.

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