# Prolog Language Courses vs Sindbad app

The clearest difference is in-app purchases: Sindbad app at none against Prolog Language Courses's 20. Sindbad app also leads on iOS requirement (11.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Prolog Language Courses sells 16 one-off in-app purchases. Sindbad app asks for nothing beyond the download.

Prolog Language Courses ships an update every 5 months, Sindbad app every 4 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Prolog Language Courses | Sindbad app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sindbad-app/id1479839443/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 53 MB | 43 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PROLOG Limited](https://appshunter.io/developer/359022156) | [Hany Osman](https://appshunter.io/developer/1479839442) |

## What reviewers say

### Prolog Language Courses

[App page](https://appshunter.io/ios/app/prolog-language-courses/id718985854)

Learn new languages with interactive lessons featuring audio and text. Access dozens of free lessons, with options to upgrade to full courses for a low price. Study anytime, anywhere, with a focus on listening, reading, and speaking.

**Highlights:** Interactive audio and text lessons, Dozens of free lessons, Full course upgrades available, Learn English, French, German, Spanish, and more, Phrasebooks for various languages, Study on the go

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hebräisch – Sprachführer | $5.99 | one-time |
| Hébreu Manuel de conversation | $5.99 | one-time |
| HEBREO Manual de Conversación | $5.99 | one-time |
| Иврит – разговорник | $5.99 | one-time |
| HEBREW - Let's speak! | $7.99 | one-time |
| Hebrew - on Video! | $14.99 | one-time |
| Spanish - on Video! | $14.99 | one-time |
| Inglés - ¡En vídeo! | $14.99 | one-time |
| Portugués - ¡En vídeo! | $14.99 | one-time |
| Иврит по видео | $14.99 | one-time |
| Английский по видео | $14.99 | one-time |
| الإنكليزية - بالفيديو! | $14.99 | one-time |
| Hebrew Ulpan Video Course | $17.99 | one-time |
| Hebrew Verbs and Conjugations | $20.99 | one-time |
| Welcome to Hebrew | $24.99 | one-time |
| HEBREW - Let's Speak! | $24.99 | one-time |


### Sindbad app

[App page](https://appshunter.io/ios/app/sindbad-app/id1479839443)

This educational app helps students easily access and understand information clearly. It aims to provide a straightforward learning experience.

**Highlights:** Easy access to information, Clear understanding of concepts, Student-focused learning, Structured educational content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prolog Language Courses free?

Prolog Language Courses is free to download, with in-app purchases available.

### Is Sindbad app free?

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

### Do Prolog Language Courses or Sindbad app have ads?

Neither Prolog Language Courses nor Sindbad app shows ads.

### Which is updated more often, Prolog Language Courses or Sindbad app?

Prolog Language Courses ships an update every 5 months, and Sindbad app every 4 months. Most recently, Prolog Language Courses was updated on October 7, 2026 and Sindbad app on October 7, 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.*