# Knowledge Hub Pro vs Let's Read Abc

The clearest difference is in-app purchases: Knowledge Hub Pro at none against Let's Read Abc's 1. Knowledge Hub Pro also leads on update cadence (monthly vs every 73 months) and iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Let's Read Abc sells 1 one-off in-app purchase. Knowledge Hub Pro asks for nothing beyond the download.

Knowledge Hub Pro ships an update monthly, Let's Read Abc every 73 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Knowledge Hub Pro | Let's Read Abc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knowledge-hub-pro/id1477584908/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 73 months |
| Monetization | Free | — |
| Size | 47 MB | 114 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIT iOS APP](https://appshunter.io/developer/1167867475) | [Gokhan Uysal](https://appshunter.io/developer/1056002356) |

## What reviewers say

### Knowledge Hub Pro

[App page](https://appshunter.io/ios/app/knowledge-hub-pro/id1477584908)

Access a wide range of online courses on your mobile device to acquire new skills. Watch course videos offline, engage in discussions, and test your knowledge with quizzes.

**Highlights:** View enrolled courses, Discover new courses, Download videos for offline viewing, Discussion topics, Quizzes with answers

**Features:** macOS Compatibility

**In-app purchases:** none


### Let's Read Abc

[App page](https://appshunter.io/ios/app/lets-read-abc/id1514869424)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| no advertisement | $1.99 | one-time |


## Frequently asked questions

### Is Knowledge Hub Pro free?

Knowledge Hub Pro is free to download, with no in-app purchases.

### Is Let's Read Abc free?

Let's Read Abc is free to download, with in-app purchases available.

### Do Knowledge Hub Pro or Let's Read Abc have ads?

Neither Knowledge Hub Pro nor Let's Read Abc shows ads.

### Which is updated more often, Knowledge Hub Pro or Let's Read Abc?

Knowledge Hub Pro ships an update monthly, and Let's Read Abc every 73 months. Most recently, Knowledge Hub Pro was updated on November 3, 2026 and Let's Read Abc on November 7, 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.*