# Collins Subject Dictionaries vs NutriScore

The clearest difference is price: NutriScore at Free against Collins Subject Dictionaries's $11.99. NutriScore also leads on update cadence (every 6 weeks vs every 23 months) and iOS requirement (13.0 vs 18.6). Collins Subject Dictionaries's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

NutriScore is free to download; Collins Subject Dictionaries costs $11.99 up front. NutriScore sells 3 in-app purchases, starting at $9.99 per month. Collins Subject Dictionaries asks for nothing beyond the download.

Collins Subject Dictionaries ships an update every 23 months, NutriScore every 6 weeks. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Collins Subject Dictionaries | NutriScore |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/collins-subject-dictionaries/id1229519043/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 100 MB | 92 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Ultralingua, Inc.](https://appshunter.io/developer/284677754) | [WINAPP LTD](https://appshunter.io/developer/1802355689) |

## What reviewers say

### 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


### NutriScore

[App page](https://appshunter.io/ios/app/nutriscore/id6736830688)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $9.99 | per month |
| 3 months subscription | $29.99 | per 3 months |
| Yearly subscription | $69.99 | per year |


## Frequently asked questions

### Is Collins Subject Dictionaries free?

Collins Subject Dictionaries costs $11.99, with no in-app purchases.

### Is NutriScore free?

NutriScore is free to download, with in-app purchases available.

### Do Collins Subject Dictionaries or NutriScore have ads?

Neither Collins Subject Dictionaries nor NutriScore shows ads.

### Which is updated more often, Collins Subject Dictionaries or NutriScore?

Collins Subject Dictionaries ships an update every 23 months, and NutriScore every 6 weeks. Most recently, Collins Subject Dictionaries was updated on November 2, 2026 and NutriScore on November 8, 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.*