Comparison

Collins Latin Dictionary vs Logeion

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

Head to head
About

Collins Latin Dictionary

This comprehensive English<>Latin dictionary supports all learning stages with advanced search tools like camera and voice input. It offers learning features such as customizable themes, word lists, and a word-of-the-day option to enhance vocabulary.

Highlights
  • Comprehensive English<>Latin dictionary
  • Advanced search tools (camera, voice, autocomplete)
  • Fuzzy filter and wildcard search
  • Customizable themes and layout
  • Favorites and recent word lists
  • Word-of-the-day feature
  • Social sharing of words
Features
Read full description

Developed as part of the "Collins Education" stream, this dictionary is designed for all learning stages and be used at home, at school, or professionally.  • Comprehensive and authoritative, with all the words and phrases you need  • Extra help with difficult words  • Easy-to-use layout helps you find what you are looking for quickly and easily LATEST APP UPDАТES:  • Learn in style with any of the four colorful new themes – The colorful layout will turn your learning experience into an enjoyable routine. Customize your dictionary and benefit from the cheerful mood your favorite color brings you.  • Dive right into the intricacies of the language - With new and convenient Home page, sleeker and more intuitive visual layout, as well as innovations in the speed of searches, you can get to the desired entry faster than ever.   SEARCH TOOLS - quickly find words with the clear, functional, and easy-to-use interface. Designed to provide the most comprehensive search experience, the dictionary combines several search tools to match or predict what are you looking for, including:  • Search autocomplete helps you find words quickly by displaying predictions as you type.  • Keyword lookup allows you to search within compound words and phrases.  • Camera search looks up words in the camera viewfinder and displays results in seconds.  • Voice search helps you find an entry when you don’t know how a word is spelled. Looking for a specific word but don't know how it's spelled? We've got you covered with our automatic ‘Fuzzy filter’ to correct word spelling, as well as ‘Wild card’ ('*' or '?') to replace a letter or entire parts of a word. LEARNING TOOLS - engaging features that help you further enhance your vocabulary. Designed to give you freedom to structure your studies, the dictionary combines several learning tools to help you be more organized, including:  • ‘Favorites’ that allow you to create custom folders with lists of words.  • Recent list which helps you to easily review looked-up words.  • Swipe-to-delete functionality in the Recent and Favorites menus.  • Word-of-the-day option to teach you a new word every day. Feel excited by the new word or definition you just learned? Share your discovery with friends on social media, email or any other option available on your device.

About

Logeion

Access multiple classical dictionaries for Greek and Latin words in one application. Provides frequency, collocation, and corpus examples for common terms. Includes a variety of authoritative lexicons and textbook data.

Highlights
  • Simultaneous Greek and Latin word lookup
  • Multiple classical dictionaries
  • Frequency and collocation data
  • Corpus examples
  • Draws from Greek and Latin textbooks
Features
Read full description

Use one app to look up any Greek or Latin word: Logeion was developed at the University of Chicago to provide simultaneous lookup of entries in many classical dictionaries. In addition, for frequent words, some frequency and collocation information is given plus examples from the corpus at perseus.uchicago.edu. • Liddell and Scott's Greek-English Lexicon (1940) • DGE (Diccionario Griego–Español). In progress; up to έξαυος. • Slater's Lexicon to Pindar (1969) • Woordenboek Grieks/Nederlands (in progress). • Lewis and Short, Latin-English Lexicon (1879) • The Dictionary of Medieval Latin from British Sources, ed. R. E. Latham, D. R. Howlett, & R. K. Ashdowne (London: British Academy, 1975-2013) The app draws data from the following Greek and Latin textbooks. • Frieze (rev. Dennison) Vergil’s Aeneid Books I-XII, with an Introduction, Notes, and Vocabulary • Greek: An Intensive Course, by Hardy Hansen and Gerald M. Quinn • Reading Greek: Grammar and Exercises, by Joint Association of Classical Teachers • Learn to Read Greek, by Andrew Keller and Stephanie Russell • Learn to Read Latin, by Andrew Keller and Stephanie Russell • Introduction to Attic Greek (2nd edition), by Donald Mastronarde • Wheelock's Latin, by Frederic M. Wheelock and Richard A. Lafleur • Basiswoordenlijst Latijn [Basic Latin Vocabulary], by J.K.L. Babeliowsky, D. den Hengst, W. Holtland, W. van Lakwijk, J.Th.K. Marcelis, H. Pinkster, J.J.L. Smolenaars, Staatsuitgeverij (NEW: English translations of the example sentences)

Screenshots

Collins Latin Dictionary4 screens
Logeion4 screens

Verdict

The call

The clearest difference is price: Logeion at Free against Collins Latin Dictionary's $14.99. Logeion also leads on update cadence (every 5 weeks vs every 9 months) and review sentiment (86% vs 61%). Collins Latin Dictionary's advantage is iOS requirement (9.0 vs 15.0). On rating, ratings volume, ads and in-app purchases 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

Logeion is free to download; Collins Latin Dictionary costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Collins Latin Dictionary against 4.4 for Logeion. Both are backed by a comparable volume of ratings — 137 and 71 respectively. Written reviews are what separate them: 61% of Collins Latin Dictionary's written reviews are positive against 86% of Logeion's.

UpkeepUpdate frequency

Collins Latin Dictionary ships an update every 9 months, Logeion every 5 weeks. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level
Collins Latin Dictionary versus Logeion: the parameters behind the verdict, then further details
ParameterCollins Latin DictionaryLogeion
Price$14.99Free — better
Rating4.4 (137 ratings) — better4.4 (71 ratings)
Positive reviews61.4% of reviews85.9% of reviews — better
Number of ratings137 — better71
Update frequencyEvery 9 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size66 MB628 MB
Age rating4+4+
DeveloperMobiSystems, Inc.The University of Chicago

Customer experience

Collins Latin Dictionary

All ratings136 ratings
Positive85.3%
Neutral6.6%
Negative8.1%
Written reviews132 reviews
Positive61.4%
Neutral11.4%
Negative27.3%

Logeion

All ratings71 ratings
Positive83.1%
Neutral7.0%
Negative9.9%
Written reviews64 reviews
Positive85.9%
Neutral3.1%
Negative10.9%

Bugs and requests

Collins Latin Dictionary

Reported bugs

10 issues
  • Word of the Day repeats same word for extended periods
  • Word of the Day links to incorrect definitions
  • App crashes when using bookmarks feature
  • Incompatibility with iOS 4 and older devices
  • Translation direction automatically switches to English-Latin
Show 5 more
  • Broken hyperlinks due to unstripped macrons
  • Poor design layout on iPad (single panel instead of dual)
  • Games don't function properly
  • Voice Over navigation completely non-functional
  • App won't start on certain iOS versions

Requested features

16 requests
  • Full verb conjugation tables
  • Complete noun declension charts
  • Audio pronunciation for words
  • Example sentences and usage context
  • Etymology information
Show 11 more
  • Search by inflected forms
  • Offline functionality
  • Latin-to-Latin search option
  • More comprehensive definitions
  • Parsing tool for word analysis
  • Preposition lists and grammar tables
  • Ability to customize translation direction preference
  • One-click favorites/bookmarks
  • More Latin phrases in examples
  • Widget for Word of the Day
  • Accessibility features for blind users

Logeion

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Collins Latin Dictionary

No in-app purchases

None

Logeion

No in-app purchases

Questions

Is Collins Latin Dictionary free?
Collins Latin Dictionary costs $14.99, with no in-app purchases.
Is Logeion free?
Logeion is free to download, with no in-app purchases.
Which has better reviews, Collins Latin Dictionary or Logeion?
Collins Latin Dictionary is rated higher. Collins Latin Dictionary averages 4.4 out of 5 from 137 ratings, while Logeion averages 4.4 from 71 ratings.
Do Collins Latin Dictionary or Logeion have ads?
Neither Collins Latin Dictionary nor Logeion shows ads.
Which is updated more often, Collins Latin Dictionary or Logeion?
Collins Latin Dictionary ships an update every 9 months, and Logeion every 5 weeks. Most recently, Collins Latin Dictionary was updated on October 29, 2026 and Logeion on October 21, 2026.

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