# Kortext vs ActiveBook

The clearest difference is chart position: Kortext at #98 against ActiveBook's unranked. ActiveBook's advantage is iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Kortext ships an update every 2 months, ActiveBook monthly. The most recent releases landed on October 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Kortext | ActiveBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (1.3K ratings)](https://appshunter.io/ios/app/kortext/id1030400150/reviews)** | — |
| Number of ratings | **1.3K** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Best chart rank | **#98** | — |
| Size | 38 MB | 28 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Kortext](https://appshunter.io/developer/882766054) | [Linus Learning](https://appshunter.io/developer/1586338100) |

## What reviewers say

### Kortext

[App page](https://appshunter.io/ios/app/kortext/id1030400150)

**Currently charting:** #98 Top Free · Book (US App Store)

Access and read eBooks from various publishers with enhanced multimedia. Tools are included to help learners and academics engage with their content, offering features like note-taking, referencing, and text-to-speech.

**Highlights:** Read PDF and EPUB files, Access 13,000+ free eTextbooks, Highlight text and create notes, Add Harvard/APA references, Read Aloud functionality, Adjust text size and background, Search within books, 500MB free cloud storage

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Helpful features like highlighting and note-taking
- 👍 Convenient to access textbooks on the go
- 🚀 Efficient for studying

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🐛 Unreliable performance
- 🐛 Overlapping text and pages
- 🐛 Inconsistent navigation and page turning
- 🐛 Laggy and slow

**Reported bugs**

- Frequent crashes and freezes
- Pages not loading properly
- Highlighting and annotations not saving
- Login issues and inability to access content

**Requested features**

- Improved text-to-speech functionality
- Better organization and navigation of content
- Ability to customize text size and layout
- Syncing across multiple devices
- Offline reading mode


### ActiveBook

[App page](https://appshunter.io/ios/app/activebook/id6738507939)

**In-app purchases:** none


## Frequently asked questions

### Is Kortext free?

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

### Is ActiveBook free?

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

### Do Kortext or ActiveBook have ads?

Neither Kortext nor ActiveBook shows ads.

### Which is updated more often, Kortext or ActiveBook?

Kortext ships an update every 2 months, and ActiveBook monthly. Most recently, Kortext was updated on October 1, 2026 and ActiveBook on September 20, 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.*