# Lets's Learn Computers vs Computer Science Dictionary

The clearest difference is in-app purchases: Lets's Learn Computers at none against Computer Science Dictionary's 1. Lets's Learn Computers also leads on update cadence (every 2 months vs every 16 months). Computer Science Dictionary's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Computer Science Dictionary sells 1 one-off in-app purchase. Lets's Learn Computers asks for nothing beyond the download.

Lets's Learn Computers ships an update every 2 months, Computer Science Dictionary every 16 months. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Lets's Learn Computers | Computer Science Dictionary |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | — | Free |
| Size | 94 MB | 68 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rahul Hinduja](https://appshunter.io/developer/1706447934) | [Shital Gorasiya](https://appshunter.io/developer/1737199158) |

## What reviewers say

### Lets's Learn Computers

[App page](https://appshunter.io/ios/app/letss-learn-computers/id6465081524)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Lets's Learn Computers free?

Lets's Learn Computers is free to download, with no in-app purchases.

### Is Computer Science Dictionary free?

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

### Do Lets's Learn Computers or Computer Science Dictionary have ads?

Neither Lets's Learn Computers nor Computer Science Dictionary shows ads.

### Which is updated more often, Lets's Learn Computers or Computer Science Dictionary?

Lets's Learn Computers ships an update every 2 months, and Computer Science Dictionary every 16 months. Most recently, Lets's Learn Computers was updated on September 8, 2026 and Computer Science Dictionary on September 22, 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.*