Comparison

Easy Probability vs Probability Distribution

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Easy Probability

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
Read full description

Learning basic probability is quick & easy, and will pay off for the rest of your life. You'll get better grades in school, do better at job interviews, and make better decisions. We'll start with the easiest quizzes imaginable, and work our way to challenging problems one tiny step at a time. Your friends & family will be impressed you can do this! * No advertisements * No sign-up screens * Supports dark theme * Supports portrait & landscape mode * Optional narrator voice-over * Option to answer with your voice * Calculations are verified with simulations When using audio mode with earphones or speakers, the app reacts to taps anywhere on the screen, so you can practice without looking at the screen.

About

Probability Distribution

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
Read full description

Calculate probabilities and visualize probability distributions. Supported continuous probability distributions: - Normal (Gaussian) - t (Student's t) - Chi-Squared - F - Exponential - Gamma - Beta - Log-normal Supported discrete probability distributions: - Binomial - Poisson - Pascal - Geometric - Hypergeometric and more are coming.

Screenshots

Easy Probability4 screens
Probability Distribution4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard5 real differences · 5 level
Easy Probability versus Probability Distribution: the parameters behind the verdict, then further details
ParameterEasy ProbabilityProbability Distribution
PriceFreeFree
Rating4.2 (5 ratings)4.5 (15 ratings) — better
Positive reviews0.0% of reviews33.3% of reviews — better
Number of ratings515 — better
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.0
Further details — not scored
Size39 MB7 MB
Age rating+44+
DeveloperJelle Van den EyndeMadiyar Aitbayev

Customer experience

Easy Probability

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Probability Distribution

All ratings15 ratings
Positive86.7%
Neutral0.0%
Negative13.3%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

1 purchases

Easy Probability

One-time1
  • Module 2 quizzes$0.99
1 purchases

Probability Distribution

One-time1
  • Unlock All Distributions$2.99

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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