# TKBooks vs Thiên Cơ

The clearest difference is iOS requirement: Thiên Cơ at 11.0 against TKBooks's 13.0. 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.

TKBooks ships an update every 3 months, Thiên Cơ every 2 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TKBooks | Thiên Cơ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/tkbooks/id1441525512/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 15.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 91 MB | 38 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MCBooks Joint Stock Company](https://appshunter.io/developer/1156983077) | [Vo Trong Nghia](https://appshunter.io/developer/1590419979) |

## What reviewers say

### TKBooks

[App page](https://appshunter.io/ios/app/tkbooks/id1441525512)

This educational app provides supplementary learning materials for students from primary to high school, covering subjects like Math, Literature, and Science. It offers a rich library of ebooks, audio, video, and practice tests that align with textbook content, making studying more effective.

**Highlights:** Digital library of ebooks, audio, and video, Practice tests and exercises, Offline content download, Progress tracking and assessment, Interactive learning tools

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

**In-app purchases:** none


### Thiên Cơ

[App page](https://appshunter.io/ios/app/thien-co/id1590419977)

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

**In-app purchases:** none


## Frequently asked questions

### Is TKBooks free?

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

### Is Thiên Cơ free?

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

### Do TKBooks or Thiên Cơ have ads?

Neither TKBooks nor Thiên Cơ shows ads.

### Which is updated more often, TKBooks or Thiên Cơ?

TKBooks ships an update every 3 months, and Thiên Cơ every 2 months. Most recently, TKBooks was updated on October 15, 2026 and Thiên Cơ on October 13, 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.*