# دار الحرف vs Gauss+

The clearest difference is update cadence: Gauss+ at every 4 days against دار الحرف's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. دار الحرف sells 4 one-off in-app purchases and Gauss+ sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

دار الحرف ships an update every 6 weeks, Gauss+ every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | دار الحرف | Gauss+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (5 ratings)](https://appshunter.io/ios/app/id1643227111/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 93 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DAR AL HARF FOR PUBLISHING AND DSITRIBUTION](https://appshunter.io/developer/1643227113) | [Ahmed Abdelrahman](https://appshunter.io/developer/1896515165) |

## What reviewers say

### دار الحرف

[App page](https://appshunter.io/ios/app/id1643227111)

This app offers free resources for students preparing for standardized tests like Al-Tahsili, Al-Qudrat, and professional teacher licensing exams. It provides study materials, video explanations, and smart electronic tests to aid in preparation.

**Highlights:** Study books for exams, Online courses, Video explanations, Smart electronic tests, Free resources for students

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| مدخل إلى الفيزياء النووية | $20.99 | one-time |
| مدخل إلى الكيمياء الحيوية | $20.99 | one-time |
| مدخل إلى الاشتقاق والتكامل | $20.99 | one-time |
| مدخل إلى الطلائعيات والفطريات | $20.99 | one-time |


### Gauss+

[App page](https://appshunter.io/ios/app/gauss-plus/id6812883229)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| إيداع 5$ في المحفظة | $4.99 | one-time |
| إيداع 10$ في المحفظة | $9.99 | one-time |
| إيداع 20$ في المحفظة | $19.99 | one-time |


## Frequently asked questions

### Is دار الحرف free?

دار الحرف is free to download, with in-app purchases available.

### Is Gauss+ free?

Gauss+ is free to download, with in-app purchases available.

### Do دار الحرف or Gauss+ have ads?

Neither دار الحرف nor Gauss+ shows ads.

### Which is updated more often, دار الحرف or Gauss+?

دار الحرف ships an update every 6 weeks, and Gauss+ every 4 days. Most recently, دار الحرف was updated on November 3, 2026 and Gauss+ on October 31, 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.*