# Dr Ragab vs Element OTG

The clearest difference is ads: Dr Ragab at none against Element OTG's shown. Dr Ragab also leads on update cadence (every 2 weeks vs monthly). On price, in-app purchases, device support 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.

Dr Ragab ships an update every 2 weeks, Element OTG monthly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Dr Ragab | Element OTG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dr-ragab/id6502619426/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 42 MB | 25 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ahmed Emad AlDeen Lotfy Mahmoud](https://appshunter.io/developer/1676735946) | [Japality Limited](https://appshunter.io/developer/1574046707) |

## What reviewers say

### Dr Ragab

[App page](https://appshunter.io/ios/app/dr-ragab/id6502619426)

Master biology with this comprehensive educational app. It offers a vast library of books, interactive quizzes, and detailed topic coverage to enhance your understanding and prepare for exams. Designed for students and enthusiasts, it provides a user-friendly interface and regular content updates.

**Highlights:** Comprehensive biology topics, Extensive library of books, Interactive quizzes, User-friendly interface, Regular content updates

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

**In-app purchases:** none


### Element OTG

[App page](https://appshunter.io/ios/app/element-otg/id6749494404)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dr Ragab free?

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

### Is Element OTG free?

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

### Do Dr Ragab or Element OTG have ads?

Element OTG shows ads; Dr Ragab does not.

### Which is updated more often, Dr Ragab or Element OTG?

Dr Ragab ships an update every 2 weeks, and Element OTG monthly. Most recently, Dr Ragab was updated on October 10, 2026 and Element OTG on October 3, 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.*