# Easy Probability vs Probability Distribution

The clearest difference is review sentiment: Probability Distribution at 33% against Easy Probability's 0%. Probability Distribution also leads on rating (4.5 vs 4.2) and ratings volume (15 vs 5). Easy Probability's advantage is monetization model (free with in-app purchases vs paid) and iOS requirement (8.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Easy Probability sells 1 one-off in-app purchase and Probability Distribution sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Probability Distribution holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 5 and 15 respectively. Written reviews point the same way: 0% of Easy Probability's written reviews are positive against 33% of Probability Distribution's.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 7, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Easy Probability | Probability Distribution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/easy-probability/id1503574851/reviews) | **[4.5 (15 ratings)](https://appshunter.io/ios/app/probability-distribution/id6447695305/reviews)** |
| Number of ratings | 5 | **15** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 39 MB | 7 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Jelle Van den Eynde](https://appshunter.io/developer/1494263169) | [Madiyar Aitbayev](https://appshunter.io/developer/1229466587) |

## What reviewers say

### Easy Probability

[App page](https://appshunter.io/ios/app/easy-probability/id1503574851)

Master basic probability with interactive quizzes designed to improve your academic performance and decision-making skills. The app offers a gradual learning curve, starting with simple problems and progressing to more complex challenges, all without advertisements.

**Highlights:** Gradual learning curve, Interactive quizzes, Voice-over narration, Voice input for answers, Dark theme support, Portrait and landscape modes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Module 2 quizzes | $0.99 | one-time |


### Probability Distribution

[App page](https://appshunter.io/ios/app/probability-distribution/id6447695305)

This app allows users to calculate probabilities and visualize various continuous and discrete probability distributions. It supports a wide range of common distributions and plans to add more in the future.

**Highlights:** Calculate probabilities, Visualize distributions, Normal (Gaussian) distribution, Binomial distribution, Poisson distribution, Exponential distribution

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Distributions | $2.99 | one-time |


## Frequently asked questions

### Is Easy Probability free?

Easy Probability is free to download, with in-app purchases available.

### Is Probability Distribution free?

Probability Distribution is free to download, with in-app purchases available.

### Which has better reviews, Easy Probability or Probability Distribution?

Probability Distribution is rated higher. Easy Probability averages 4.2 out of 5 from 5 ratings, while Probability Distribution averages 4.5 from 15 ratings.

### Do Easy Probability or Probability Distribution have ads?

Neither Easy Probability nor Probability Distribution shows ads.

### Which is updated more often, Easy Probability or Probability Distribution?

Easy Probability ships an update every 2 weeks, and Probability Distribution every 2 weeks. Most recently, Easy Probability was updated on October 7, 2026 and Probability Distribution on September 26, 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.*