# Computer Science Dictionary vs Euclid Math Trainer

The clearest difference is price: Computer Science Dictionary at Free against Euclid Math Trainer's $4.99. Computer Science Dictionary also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). Euclid Math Trainer's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 16 months). On ads there is nothing between them.

Computer Science Dictionary is free to download; Euclid Math Trainer costs $4.99 up front. Computer Science Dictionary sells 1 one-off in-app purchase. Euclid Math Trainer asks for nothing beyond the download.

Computer Science Dictionary ships an update every 16 months, Euclid Math Trainer every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Computer Science Dictionary | Euclid Math Trainer |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.8 (9 ratings)](https://appshunter.io/ios/app/computer-science-dictionary/id6714465469/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 68 MB | 1 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shital Gorasiya](https://appshunter.io/developer/1737199158) | [Thomas Forget](https://appshunter.io/developer/1892738202) |

## What reviewers say

### Computer Science Dictionary

[App page](https://appshunter.io/ios/app/computer-science-dictionary/id6714465469)

This app offers a comprehensive offline dictionary for computer science and engineering students, featuring over 4,200 terms, formulas, historical insights, and quizzes. Explore computer history, save favorite terms, and test your knowledge with interactive challenges.

**Highlights:** 4,200+ Computer Engineering terms, Visual representations of formulas, Comprehensive computer history timeline, Challenging quizzes, Autoplay audio definitions, Community word contributions, Save favorite terms

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Purchase | $6.99 | one-time |


### Euclid Math Trainer

[App page](https://appshunter.io/ios/app/euclid-math-trainer/id6762067406)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Computer Science Dictionary free?

Computer Science Dictionary is free to download, with in-app purchases available.

### Is Euclid Math Trainer free?

Euclid Math Trainer costs $4.99, with no in-app purchases.

### Do Computer Science Dictionary or Euclid Math Trainer have ads?

Neither Computer Science Dictionary nor Euclid Math Trainer shows ads.

### Which is updated more often, Computer Science Dictionary or Euclid Math Trainer?

Computer Science Dictionary ships an update every 16 months, and Euclid Math Trainer every 3 weeks. Most recently, Computer Science Dictionary was updated on October 24, 2026 and Euclid Math Trainer on October 25, 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.*