# The Big Duel vs Probability for Computing

The clearest difference is in-app purchases: Probability for Computing at none against The Big Duel's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. The Big Duel sells 1 one-off in-app purchase. Probability for Computing asks for nothing beyond the download.

## The numbers

| Metric | The Big Duel | Probability for Computing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-big-duel/id987225081/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 38 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ilan TETRUASHVILI](https://appshunter.io/developer/940821251) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### The Big Duel

[App page](https://appshunter.io/ios/app/the-big-duel/id987225081)

Engage in a fun and addictive game to sharpen your math abilities. Choose from three distinct game modes, including math calculations, size comparisons, and shape recognition. Compete head-to-head with another player on a single device or race against the clock.

**Highlights:** Multiple game modes (Math, Bigger/Smaller, Shapes), Supports addition, subtraction, multiplication, division, 1v1 multiplayer on one device, Play against the clock, Interactive learning with animations, Adjustable difficulty

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad's | $0.99 | one-time |


### Probability for Computing

[App page](https://appshunter.io/ios/app/probability-for-computing/id6774024034)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Big Duel free?

The Big Duel is free to download, with in-app purchases available.

### Is Probability for Computing free?

Probability for Computing is free to download, with no in-app purchases.

### Do The Big Duel or Probability for Computing have ads?

Neither The Big Duel nor Probability for Computing shows ads.

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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.*