# CLACSO vs Master English

The clearest difference is in-app purchases: CLACSO at none against Master English's 1. Master English's advantage is ads (none vs shown) and update cadence (fortnightly vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Master English sells 1 in-app purchase, starting at $13.99 per month. CLACSO asks for nothing beyond the download.

CLACSO ships an update every 12 months, Master English fortnightly. The most recent releases landed on September 7, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | CLACSO | Master English |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (31K ratings)](https://appshunter.io/ios/app/master-english/id1543401574/reviews)** |
| Number of ratings | — | **31K** |
| Positive reviews | — | 77.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | — | Subscription |
| Best chart rank | — | **#133** |
| Size | 45 MB | 205 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Consejo Latinoamericano de Ciencias Sociales](https://appshunter.io/developer/920816526) | [Master English](https://appshunter.io/developer/811129594) |

## What reviewers say

### CLACSO

[App page](https://appshunter.io/ios/app/clacso/id920816527)

**Features:** macOS Compatibility

**In-app purchases:** none


### Master English

[App page](https://appshunter.io/ios/app/master-english/id1543401574)

**Currently charting:** #133 Top Grossing · Education (US App Store)

Learn to speak English fluently with AI. This app creates personalized programs for Spanish speakers aiming for advanced English proficiency for career advancement. Practice real-life conversations with AI avatars and get instant feedback on pronunciation.

**Highlights:** Personalized learning programs, AI-powered conversation practice, Real-time pronunciation feedback, AI tutor for questions, Career-focused English skills, Optimized lessons based on pace

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Programa de inglés | $13.99 | per month |

**What reviewers like**

- 🚀 Excellent learning experience
- 👍 Easy and practical
- 🚀 Effective learning methodology
- 👍 Personalized teaching
- 👍 Reasonable price compared to other courses

**What reviewers complain about**

- 🐛 Login and access issues
- 🐛 Technical problems with the app
- 🔍 Lack of interactive features

**Reported bugs**

- Subscription issues and continued billing after cancellation
- Inability to access the app after initial setup

**Requested features**

- Ability to rotate the app on iPad
- Progress tracking and assessment tests
- More interactive and gamified learning


## Frequently asked questions

### Is CLACSO free?

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

### Is Master English free?

Master English is free to download, with in-app purchases available.

### Do CLACSO or Master English have ads?

CLACSO shows ads; Master English does not.

### Which is updated more often, CLACSO or Master English?

CLACSO ships an update every 12 months, and Master English fortnightly. Most recently, CLACSO was updated on September 7, 2026 and Master English 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.*