# CATC e vs Software Course through images

The clearest difference is ads: CATC e at none against Software Course through images's shown. CATC e also leads on update cadence (fortnightly vs every 6 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CATC e ships an update fortnightly, Software Course through images every 6 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CATC e | Software Course through images |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/software-course-through-images/id6466166222/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | — | Ad-supported |
| Size | 19 MB | 26 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BOOKDOSE COMPANY LIMITED](https://appshunter.io/developer/459445000) | [Merbin Joe](https://appshunter.io/developer/1281696078) |

## What reviewers say

### CATC e

[App page](https://appshunter.io/ios/app/catc-e-library/id1603568372)

**Features:** macOS Compatibility

**In-app purchases:** none


### Software Course through images

[App page](https://appshunter.io/ios/app/software-course-through-images/id6466166222)

Master computer fundamentals with this comprehensive guide. Learn about hardware, software, networking, and security through clear explanations and interactive quizzes. Prepare for interviews with practice questions and boost productivity with shortcut keys.

**Highlights:** Computer basics and history, Hardware and software explanations, Networking concepts, Computer security and viruses, Windows and Mac shortcut keys, Interview preparation questions, Interactive quiz system

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

**In-app purchases:** none


## Frequently asked questions

### Is CATC e free?

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

### Is Software Course through images free?

Software Course through images is free to download, with no in-app purchases.

### Do CATC e or Software Course through images have ads?

Software Course through images shows ads; CATC e does not.

### Which is updated more often, CATC e or Software Course through images?

CATC e ships an update fortnightly, and Software Course through images every 6 months. Most recently, CATC e was updated on October 18, 2026 and Software Course through images on October 15, 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.*