# Dr. Badr vs Stats & Probability Calculator

The clearest difference is in-app purchases: Dr. Badr at none against Stats & Probability Calculator's 3. Dr. Badr also leads on update cadence (every 8 days vs every 4 months) and iOS requirement (11.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Stats & Probability Calculator sells 3 in-app purchases, starting at $0.99 per month. Dr. Badr asks for nothing beyond the download.

Dr. Badr ships an update every 8 days, Stats & Probability Calculator every 4 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Dr. Badr | Stats & Probability Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dr-badr/id6443605480/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 4 months |
| Monetization | Free | — |
| Size | 16 MB | 27 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Depax](https://appshunter.io/developer/1761022176) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### Dr. Badr

[App page](https://appshunter.io/ios/app/dr-badr/id6443605480)

This educational application provides access to videos and files curated by Dr. Badr. It aims to deliver learning content through a digital platform.

**Highlights:** Educational videos, Curated files, Digital learning platform, Content by Dr. Badr

**In-app purchases:** none


### Stats & Probability Calculator

[App page](https://appshunter.io/ios/app/stats-and-probability-calculator/id6748586083)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $0.99 | per month |
| Full version / year | $2.99 | per year |
| Remove ADS | $3.99 | one-time |


## Frequently asked questions

### Is Dr. Badr free?

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

### Is Stats & Probability Calculator free?

Stats & Probability Calculator is free to download, with in-app purchases available.

### Do Dr. Badr or Stats & Probability Calculator have ads?

Neither Dr. Badr nor Stats & Probability Calculator shows ads.

### Which is updated more often, Dr. Badr or Stats & Probability Calculator?

Dr. Badr ships an update every 8 days, and Stats & Probability Calculator every 4 months. Most recently, Dr. Badr was updated on November 3, 2026 and Stats & Probability Calculator on November 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.*