Comparison

Classical Root Dictionary vs Collins Subject Dictionaries

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

Head to head
About

Classical Root Dictionary

Explore over 2500 classical roots with their meanings, derived words, and phrases. This comprehensive dictionary offers advanced search, custom lists, and daily learning prompts for both roots and derived words. Engage with quizzes and flashcards to deepen your understanding.

Highlights
  • Over 2500 classical roots
  • Derived words and phrases
  • Advanced search functionality
  • Customizable lists
  • Daily learning prompts
  • Multiple choice quizzes
  • Flashcard learning
Features
Read full description

This dictionary contains a comprehensive list of over 2500 classical roots (Greek and Latin) and their derived words and phrases. If you are looking for a complete list of classical roots and derived words and phrases, this is the app that you want. CLASSICAL ROOTS • Over 2500 classical roots • Meaning, derived words and phrases • Advanced search: search by root or meaning • Bookmark • Notes: write note for each entry • Lists: Create custom lists • Learn 5 roots daily WORDS • Over 65000 words and phrases originated from classical roots • Meaning, roots • Advanced search: search by word or meaning • Bookmark • Translation a word into your language • Notes: write note for each entry • Lists: Create custom lists • Learn 5 words daily UNITS • 86 units • Learn with multiple choice quizzes • Learn with flashcards

About

Collins Subject Dictionaries

Access specialized vocabulary for various fields, including biology, economics, business, law, astronomy, sociology, and medicine. These dictionaries offer thousands of expert-written entries to clarify complex terminology and fundamental principles.

Highlights
  • Specialized subject dictionaries
  • Expert-written entries
  • Thousands of summaries
  • Terminology breakdown
  • Covers biology, economics, business, law, astronomy, sociology, medicine
Features
Read full description

All Collins dictionaries are written by experts in their field. These dictionaries include thousands of entries that summarise basic principles and break down terminology. · Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham, 2005. · Collins Dictionary of Economics, 4th ed. © C. Pass, B. Lowes, L. Davies, 2005. · Collins Dictionary of Business, 3rd ed. © C. Pass, B. Lowes, A. Pendleton, L. Chadwick, D. O’Reilly and M. Afferson, 2002, 2005. · Collins Dictionary of Law © W.J. Stewart, 2006. · Collins Dictionary of Astronomy © V. Illingworth, 2006. · Collins Dictionary of Sociology, 3rd ed. © D. Jary and J. Jary, 2000. · Collins Dictionary of Medicine © R. M. Youngson, 2004, 2005. *** ‘An impressive publication.’ – Times Higher Education Supplement. (Praise for Collins Dictionary of Sociology) *** *** ‘It is by far the best medical dictionary I have seen and I would recommend it to anyone.’ – Amazon customer review for Collins Dictionary of Medicine *** Whether you are studying, expanding your knowledge or simply reading for pleasure, these reference books are accessible for all.

Screenshots

Classical Root Dictionary4 screens
Collins Subject Dictionaries4 screens

Verdict

The call

The clearest difference is review sentiment: Classical Root Dictionary at 100% against Collins Subject Dictionaries's 0%. Classical Root Dictionary also leads on price ($2.99 vs $11.99) and iOS requirement (11.0 vs 18.6). Collins Subject Dictionaries's advantage is update cadence (every 23 months vs every 49 months). On ads, in-app purchases, monetization model and device support 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

Classical Root Dictionary costs $2.99 and Collins Subject Dictionaries $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Classical Root Dictionary ships an update every 49 months, Collins Subject Dictionaries every 23 months. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
Classical Root Dictionary versus Collins Subject Dictionaries: the parameters behind the verdict, then further details
ParameterClassical Root DictionaryCollins Subject Dictionaries
Price$2.99 — better$11.99
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 49 monthsEvery 23 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better18.6
Further details — not scored
Size110 MB100 MB
Age rating4+12+
DeveloperTrang HoaiUltralingua, Inc.

Customer experience

Classical Root Dictionary

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Collins Subject Dictionaries

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Classical Root Dictionary

No in-app purchases

None

Collins Subject Dictionaries

No in-app purchases

Questions

Is Classical Root Dictionary free?
Classical Root Dictionary costs $2.99, with no in-app purchases.
Is Collins Subject Dictionaries free?
Collins Subject Dictionaries costs $11.99, with no in-app purchases.
Do Classical Root Dictionary or Collins Subject Dictionaries have ads?
Neither Classical Root Dictionary nor Collins Subject Dictionaries shows ads.
Which is updated more often, Classical Root Dictionary or Collins Subject Dictionaries?
Classical Root Dictionary ships an update every 49 months, and Collins Subject Dictionaries every 23 months. Most recently, Classical Root Dictionary was updated on October 14, 2026 and Collins Subject Dictionaries on October 5, 2026.

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