# CHEMOU vs SELF U

The clearest difference is in-app purchases: CHEMOU at none against SELF U's 7. SELF U's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SELF U sells 7 one-off in-app purchases. CHEMOU asks for nothing beyond the download.

CHEMOU ships an update every 3 months, SELF U every 5 weeks. The most recent releases landed on September 9, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | CHEMOU | SELF U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/self-u/id1217768492/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 41.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 120 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chalit Chathirat](https://appshunter.io/developer/910858647) | [XeerSoft Thailand Co,Ltd.](https://appshunter.io/developer/548538383) |

## What reviewers say

### CHEMOU

[App page](https://appshunter.io/ios/app/chemou/id1094568253)

**Features:** macOS Compatibility

**In-app purchases:** none


### SELF U

[App page](https://appshunter.io/ios/app/self-u/id1217768492)

This platform offers a comprehensive online learning experience with courses taught by experts across various subjects. Access lessons anytime, anywhere, and manage your learning journey conveniently. Enhance your skills and knowledge with a wide range of educational content.

**Highlights:** Anywhere, Anytime Learning, Class Booking Management, Full Coverage of Study Areas, Expert and Famous Instructors, Self-Development Courses

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack Read Around (Lesson 1-4) | $64.99 | one-time |
| Advanced Vocab + Reading | $119.99 | one-time |
| Advanced Vocab & Reading | $119.99 | one-time |
| Complete 5,000 Vocabularies | $139.99 | one-time |
| Ultimate Writing ปี 2559 | $174.99 | one-time |
| Advanced Writing (เทอม 1/61) | $209.99 | one-time |
| Advanced Admission (เทอม 1/60) | $299.99 | one-time |


## Frequently asked questions

### Is CHEMOU free?

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

### Is SELF U free?

SELF U is free to download, with in-app purchases available.

### Do CHEMOU or SELF U have ads?

Neither CHEMOU nor SELF U shows ads.

### Which is updated more often, CHEMOU or SELF U?

CHEMOU ships an update every 3 months, and SELF U every 5 weeks. Most recently, CHEMOU was updated on September 9, 2026 and SELF U on June 11, 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.*