# Concussion Ed vs iDuas

The clearest difference is update cadence: Concussion Ed at every 7 months against iDuas's every 56 months. Concussion Ed also leads on review sentiment (75% vs 50%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Concussion Ed ships an update every 7 months, iDuas every 56 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Concussion Ed | iDuas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iduas-muharram/id1231071997/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **75.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 56 months |
| Monetization | Free | Free |
| Size | 21 MB | 8 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Parachute](https://appshunter.io/developer/1116134014) | [ECNET SOLUTIONS INC.](https://appshunter.io/developer/320171762) |

## What reviewers say

### Concussion Ed

[App page](https://appshunter.io/ios/app/concussion-ed/id1116134015)

This application provides tools to prevent, recognize, and manage concussions. It helps users track symptom duration and severity, integrating scientific research with accessible content for athletes, parents, educators, and coaches.

**Highlights:** Concussion prevention guidance, Symptom recognition tools, Concussion management support, Symptom tracking and severity monitoring, Scientifically-backed information, Accessible content for various users

**Features:** macOS Compatibility

**In-app purchases:** none


### iDuas

[App page](https://appshunter.io/ios/app/iduas-muharram/id1231071997)

This app provides a comprehensive collection of ziyarats and supplications for the month of Muharram. It features clear Arabic text, transliteration, English translations, and audio recitations for easy and reverent prayer. Enjoy a distraction-free reading experience with customizable fonts, themes, and bookmarking options.

**Highlights:** Ziyarat Ashura, Dua Alqamah, Ziyarat Nahiya, and more, Arabic, transliteration, and English text, Adjustable font sizes and themes, Audio recitation playback, Line bookmarking and favorites, Offline text access, Recitation counters

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Concussion Ed free?

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

### Is iDuas free?

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

### Do Concussion Ed or iDuas have ads?

Neither Concussion Ed nor iDuas shows ads.

### Which is updated more often, Concussion Ed or iDuas?

Concussion Ed ships an update every 7 months, and iDuas every 56 months. Most recently, Concussion Ed was updated on November 6, 2026 and iDuas on November 2, 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.*