# ProbSim

> Probability experiment simulator for learning and testing predictions. (iPhone/iPad app by Thomas Bretl.)

- Source: https://appshunter.io/ios/app/probsim/id954912323 (this page in markdown: same URL + `.md`)
- Developer: [Thomas Bretl](https://appshunter.io/developer/553850818)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 29 MB
- Languages: American English
- Released: 2015-01-11
- Data updated: 2026-06-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/probsim/id954912323/reviews.md

## What is ProbSim?

ProbSim is a probability experiment simulator. You can tag fish, flip coins, roll dice, spin spinners, and draw marbles from urns. Predict the probability of a certain outcome, and see whether or not your prediction is supported by the experimental results. ProbSim also challenges you to solve some tricky and easily misunderstood probability problems involving birthdays, game shows, envelopes, coins, hats, urns, and apparent paradoxes.

## Key features

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

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/probsim/id954912323/reviews.md

### 1/5 — Ugh

*2015-05-03*

Noob app it's very bad

## Frequently asked questions about ProbSim

### What can I simulate with ProbSim?

ProbSim allows you to simulate various probability experiments, including tagging fish, flipping coins, rolling dice, spinning spinners, and drawing marbles from urns.

### Can ProbSim help me solve probability problems?

Yes, ProbSim challenges you to solve tricky probability problems involving scenarios like birthdays, game shows, envelopes, coins, hats, urns, and apparent paradoxes.

### What devices does ProbSim support?

ProbSim is currently supported on iPads.

### How often is ProbSim updated?

The latest version of ProbSim is 2.2, which was last updated on October 25, 2022.

### What is the age rating for ProbSim?

ProbSim has an age rating of 4+, making it suitable for a wide range of young learners.

### Does ProbSim have ads?

No, ProbSim does not contain advertisements.

### Is ProbSim free to use?

Yes, ProbSim is available for free.

### What learning methodology does ProbSim use?

ProbSim employs an experimental learning methodology, allowing users to predict outcomes and then verify them through simulations.

## Version history (last 4 releases)

### 2.2 — 2022-10-25

App privacy info published

### 2.1 — 2019-02-14

System compatibility problems fixed.

### 2.0 — 2018-04-26

Bug fixes, improved graphics, and several new problems.

### 1.0 — 2015-01-10

No release notes.

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## More apps by Thomas Bretl

- [FactorMan](https://appshunter.io/ios/app/factorman/id564193621)
- [Arithmetic Quilts](https://appshunter.io/ios/app/arithmetic-quilts/id567300241)
- [SquArray](https://appshunter.io/ios/app/squarray/id573931041)
- [GeoFit](https://appshunter.io/ios/app/geofit/id592409225)
- [Celestial Dances](https://appshunter.io/ios/app/celestial-dances/id601885290)
- [Arithmetic Triads](https://appshunter.io/ios/app/arithmetic-triads/id766614387)

All apps by Thomas Bretl: https://appshunter.io/developer/553850818

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*