# CLS 4.0  LEARNER vs Moonbase

The clearest difference is update cadence: Moonbase at every 5 days against CLS 4.0  LEARNER's every 2 weeks. CLS 4.0  LEARNER's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

CLS 4.0  LEARNER ships an update every 2 weeks, Moonbase every 5 days. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | CLS 4.0  LEARNER | Moonbase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/cls-40-learner/id1585547011/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 40 MB | 143 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HUONG VIET CO., LTD](https://appshunter.io/developer/1466757923) | [MOONBASE TECHNOLOGY COMPANY LIMITED](https://appshunter.io/developer/1831777637) |

## What reviewers say

### CLS 4.0  LEARNER

[App page](https://appshunter.io/ios/app/cls-40-learner/id1585547011)

This application is designed for learners within the CLS.VN system, version 4.0. It allows users to access assigned courses, take assigned exams, and view assigned learning paths.

**Highlights:** Access assigned courses, Take assigned exams, View assigned learning paths

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

**In-app purchases:** none


### Moonbase

[App page](https://appshunter.io/ios/app/moonbase/id6749696944)

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

**In-app purchases:** none


## Frequently asked questions

### Is CLS 4.0  LEARNER free?

CLS 4.0  LEARNER is free to download, with no in-app purchases.

### Is Moonbase free?

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

### Do CLS 4.0  LEARNER or Moonbase have ads?

Neither CLS 4.0  LEARNER nor Moonbase shows ads.

### Which is updated more often, CLS 4.0  LEARNER or Moonbase?

CLS 4.0  LEARNER ships an update every 2 weeks, and Moonbase every 5 days. Most recently, CLS 4.0  LEARNER was updated on September 30, 2026 and Moonbase on September 26, 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.*