# Langaj vs UNIDI.ht

The clearest difference is in-app purchases: Langaj at none against UNIDI.ht's 1. Langaj also leads on update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. UNIDI.ht sells 1 one-off in-app purchase. Langaj asks for nothing beyond the download.

Langaj ships an update every 3 weeks, UNIDI.ht every 3 months. The most recent releases landed on September 25, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Langaj | UNIDI.ht |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (693 ratings)](https://appshunter.io/ios/app/langaj/id1661024807/reviews)** | — |
| Number of ratings | **693** | — |
| Positive reviews | 93.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 392 MB | 110 MB |
| Requires iOS | 16.0 | **15.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Willio Jeanvilma](https://appshunter.io/developer/1483542213) | [UNIDI LLC](https://appshunter.io/developer/1752653118) |

## What reviewers say

### Langaj

[App page](https://appshunter.io/ios/app/langaj/id1661024807)

This free app, designed in Haitian Creole, helps Haitian users learn foreign languages. It offers an accessible way to acquire new language skills.

**Highlights:** Learn foreign languages, Free app, Designed in Haitian Creole, Accessible language learning

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly interface and easy to navigate
- 📚 Comprehensive language learning content
- 🌍 Multiple languages available (English, Spanish, French, Portuguese)
- 💰 Free access to language learning
- 🎯 Effective for improving language skills

**What reviewers complain about**

- 🔊 Audio not playing in listening exercises
- 📝 Inconsistent answer acceptance in exams
- ⏸️ Lack of automatic word progression feature

**Reported bugs**

- Audio not outputting in listening comprehension section
- Inconsistent answer validation in exams

**Requested features**

- Additional languages beyond current offerings
- Gamification with lives system and error penalties
- Leaderboard rankings (Bronze, Silver, Diamond tiers)
- Automatic word progression during lessons
- Paid premium version with expanded content


### UNIDI.ht

[App page](https://appshunter.io/ios/app/unidiht/id6504523860)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fòmasyon Kado | Free | one-time |


## Frequently asked questions

### Is Langaj free?

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

### Is UNIDI.ht free?

UNIDI.ht is free to download, with in-app purchases available.

### Do Langaj or UNIDI.ht have ads?

Neither Langaj nor UNIDI.ht shows ads.

### Which is updated more often, Langaj or UNIDI.ht?

Langaj ships an update every 3 weeks, and UNIDI.ht every 3 months. Most recently, Langaj was updated on September 25, 2026 and UNIDI.ht on September 15, 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.*