# SELF U vs REXX 3.0

The clearest difference is in-app purchases: REXX 3.0 at none against SELF U's 7. SELF U's advantage is update cadence (every 5 weeks vs every 10 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. REXX 3.0 asks for nothing beyond the download.

SELF U ships an update every 5 weeks, REXX 3.0 every 10 months. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SELF U | REXX 3.0 |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 10 months |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 92 MB |
| Requires iOS | 12.0 | 12 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XeerSoft Thailand Co,Ltd.](https://appshunter.io/developer/548538383) | [VERNITY COMPANY LIMITED](https://appshunter.io/developer/1154404600) |

## What reviewers say

### 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 |


### REXX 3.0

[App page](https://appshunter.io/ios/app/rexx-30/id6745996257)

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

**In-app purchases:** none


## Frequently asked questions

### Is SELF U free?

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

### Is REXX 3.0 free?

REXX 3.0 is free to download, with no in-app purchases.

### Do SELF U or REXX 3.0 have ads?

Neither SELF U nor REXX 3.0 shows ads.

### Which is updated more often, SELF U or REXX 3.0?

SELF U ships an update every 5 weeks, and REXX 3.0 every 10 months. Most recently, SELF U was updated on October 23, 2026 and REXX 3.0 on October 9, 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.*