# ProbSim vs The Matrix Mentor

The clearest difference is update cadence: The Matrix Mentor at every 4 days against ProbSim's every 40 months. ProbSim's advantage is iOS requirement (8.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ProbSim ships an update every 40 months, The Matrix Mentor every 4 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ProbSim | The Matrix Mentor |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 29 MB | 3 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Bretl](https://appshunter.io/developer/553850818) | [Edwin Veger](https://appshunter.io/developer/1025412576) |

## What reviewers say

### ProbSim

[App page](https://appshunter.io/ios/app/probsim/id954912323)

Simulate probability experiments with various tools like coins, dice, and spinners. Test your predictions against experimental results and tackle challenging probability problems.

**Highlights:** Probability experiment simulation, Coin flipping, Dice rolling, Spinner manipulation, Marble drawing from urns, Predictive testing, Problem-solving challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### The Matrix Mentor

[App page](https://appshunter.io/ios/app/the-matrix-mentor/id6479958283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ProbSim free?

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

### Is The Matrix Mentor free?

The Matrix Mentor is free to download, with no in-app purchases.

### Do ProbSim or The Matrix Mentor have ads?

Neither ProbSim nor The Matrix Mentor shows ads.

### Which is updated more often, ProbSim or The Matrix Mentor?

ProbSim ships an update every 40 months, and The Matrix Mentor every 4 days. Most recently, ProbSim was updated on October 24, 2026 and The Matrix Mentor on October 9, 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.*