# Classical Root Dictionary vs Collins Subject Dictionaries

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.

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.

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.

## The numbers

| Metric | Classical Root Dictionary | Collins Subject Dictionaries |
| --- | --- | --- |
| Price | **$2.99** | $11.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/collins-subject-dictionaries/id1229519043/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 23 months** |
| Monetization | Paid | Paid |
| Size | 110 MB | 100 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Trang Hoai](https://appshunter.io/developer/1124304908) | [Ultralingua, Inc.](https://appshunter.io/developer/284677754) |

## What reviewers say

### Classical Root Dictionary

[App page](https://appshunter.io/ios/app/classical-root-dictionary/id1124304909)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Collins Subject Dictionaries

[App page](https://appshunter.io/ios/app/collins-subject-dictionaries/id1229519043)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*