# MCarloRisk3D vs FairOption

The clearest difference is price: MCarloRisk3D at Free against FairOption's $17.99. MCarloRisk3D also leads on update cadence (every 2 months vs every 23 months) and iOS requirement (12.0 vs 16). FairOption's advantage is device support (3 vs 1). On ads and in-app purchases there is nothing between them.

MCarloRisk3D is free to download; FairOption costs $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MCarloRisk3D ships an update every 2 months, FairOption every 23 months. The most recent releases landed on July 20, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | MCarloRisk3D | FairOption |
| --- | --- | --- |
| Price | **Free** | $17.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mcarlorisk3d/id641208540/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 23 months |
| Monetization | Free | — |
| Size | 2 MB | 6 MB |
| Requires iOS | **12.0** | 16 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [differential enterprises](https://appshunter.io/developer/323713853) | [Miles Hitcham](https://appshunter.io/developer/955087953) |

## What reviewers say

### MCarloRisk3D

[App page](https://appshunter.io/ios/app/mcarlorisk3d/id641208540)

Estimate future stock and crypto prices with advanced Monte Carlo simulations. Backtest your strategies and account for extreme market events with customizable parameters. Offers 3D visualizations for enhanced understanding of probability surfaces.

**Highlights:** Monte Carlo price/probability estimation, Stock and crypto analysis, Backtesting and verification, 3D probability surface visualization, Optional Black Swan events, Tunable forward volatility, Historical data resampling

**Features:** macOS Compatibility

**In-app purchases:** none


### FairOption

[App page](https://appshunter.io/ios/app/fairoption/id955087954)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MCarloRisk3D free?

MCarloRisk3D is free to download, with no in-app purchases.

### Is FairOption free?

FairOption costs $17.99, with no in-app purchases.

### Do MCarloRisk3D or FairOption have ads?

Neither MCarloRisk3D nor FairOption shows ads.

### Which is updated more often, MCarloRisk3D or FairOption?

MCarloRisk3D ships an update every 2 months, and FairOption every 23 months. Most recently, MCarloRisk3D was updated on July 20, 2026 and FairOption on May 15, 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.*