# Learn Operating System vs Cothm

The clearest difference is in-app purchases: Cothm at none against Learn Operating System's 1. Cothm also leads on update cadence (every 2 months vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Learn Operating System sells 1 one-off in-app purchase. Cothm asks for nothing beyond the download.

Learn Operating System ships an update every 16 months, Cothm every 2 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Learn Operating System | Cothm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/learn-operating-system/id6446438155/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 22 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) | [CYBER ADVANCE SOLUTIONS (PRIVATE) LIMITED](https://appshunter.io/developer/1492413003) |

## What reviewers say

### Learn Operating System

[App page](https://appshunter.io/ios/app/learn-operating-system/id6446438155)

Master operating system concepts through concise study sessions and interactive quizzes. This app offers audio pronunciation of technical terms and bookmarking for flashcards and questions, aiding efficient learning and progress tracking.

**Highlights:** Audio pronunciation of OS terms, Text-to-Speech engine, Interactive quizzes, Study mode, Bookmarking flashcards and questions, Progress indicators, Progress visualization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### Cothm

[App page](https://appshunter.io/ios/app/cothm/id6743933244)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learn Operating System free?

Learn Operating System is free to download, with in-app purchases available.

### Is Cothm free?

Cothm is free to download, with no in-app purchases.

### Do Learn Operating System or Cothm have ads?

Neither Learn Operating System nor Cothm shows ads.

### Which is updated more often, Learn Operating System or Cothm?

Learn Operating System ships an update every 16 months, and Cothm every 2 months. Most recently, Learn Operating System was updated on June 1, 2026 and Cothm on September 9, 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.*