# Computer Science Dictionary vs CS Pro Note

The clearest difference is update cadence: CS Pro Note at monthly against Computer Science Dictionary's every 16 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Computer Science Dictionary sells 1 one-off in-app purchase and CS Pro Note sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Computer Science Dictionary ships an update every 16 months, CS Pro Note monthly. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Computer Science Dictionary | CS Pro Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/computer-science-dictionary/id6714465469/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | Free | — |
| Size | 68 MB | 60 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shital Gorasiya](https://appshunter.io/developer/1737199158) | [Jeffery Galen Reed](https://appshunter.io/developer/1819964083) |

## 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 |


### CS Pro Note

[App page](https://appshunter.io/ios/app/cs-pro-note/id6749539002)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CS Pro Note Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is Computer Science Dictionary free?

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

### Is CS Pro Note free?

CS Pro Note is free to download, with in-app purchases available.

### Do Computer Science Dictionary or CS Pro Note have ads?

Neither Computer Science Dictionary nor CS Pro Note shows ads.

### Which is updated more often, Computer Science Dictionary or CS Pro Note?

Computer Science Dictionary ships an update every 16 months, and CS Pro Note monthly. Most recently, Computer Science Dictionary was updated on September 22, 2026 and CS Pro Note on September 17, 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.*