# SET e vs COJ Library

The clearest difference is in-app purchases: COJ Library at none against SET e's 10. COJ Library also leads on update cadence (fortnightly vs every 11 months) and iOS requirement (10.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. SET e sells 10 one-off in-app purchases. COJ Library asks for nothing beyond the download.

SET e ships an update every 11 months, COJ Library fortnightly. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SET e | COJ Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/set-e-book-application/id584346314/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 119 MB | 30 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [MEB Corporation Public Company Limited](https://appshunter.io/developer/436964329) | [Loxley Orbit Public Company Limited](https://appshunter.io/developer/950919208) |

## What reviewers say

### SET e

[App page](https://appshunter.io/ios/app/set-e-book-application/id584346314)

This app provides a comprehensive learning resource for financial independence through investment and professional knowledge in securities. It covers personal finance, business management, and various investment instruments, including funds, bonds, stocks, and derivatives. It also offers study materials for financial certifications and resources for young investors.

**Highlights:** Easy-to-use bookstore with diverse books, Sample books for trial reading, Offline reading capability, Adjustable reading modes (night/sepia, brightness), Note-taking and drawing within books, Bookmarking and auto-save reading progress, Social sharing of favorite books

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| แนวทางปฏิบัติสำหรั..ลงทุน | $1.99 | one-time |
| อยากรวยต้องรู้ 1: ..นำทาง | $2.99 | one-time |
| ตามหาหุ้นตัวแรก เว..งใหม่ | $2.99 | one-time |
| หนังสือราคา 2.99 USD | $2.99 | one-time |
| จัดทัพลงทุน ตอน รว..นมัติ | $3.99 | one-time |
| กลยุทธหุ้นห่านทอง..ที่ 5 | $3.99 | one-time |
| หนังสือราคา 3.99 USD | $3.99 | one-time |
| THE JITTA WAY: วิถ..ุณค่า | $4.99 | one-time |
| ตามหาหุ้นตัวแรก | $5.99 | one-time |
| ตลาดการเงินและการล..บปรุง | $11.99 | one-time |


### COJ Library

[App page](https://appshunter.io/ios/app/coj-library/id6447178622)

**In-app purchases:** none


## Frequently asked questions

### Is SET e free?

SET e is free to download, with in-app purchases available.

### Is COJ Library free?

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

### Do SET e or COJ Library have ads?

Neither SET e nor COJ Library shows ads.

### Which is updated more often, SET e or COJ Library?

SET e ships an update every 11 months, and COJ Library fortnightly. Most recently, SET e was updated on September 18, 2026 and COJ Library on September 12, 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.*