Comparison

Mad Func vs Discrete Probability

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

Head to head
About

Mad Func

Learn algorithms and coding concepts through interactive, gamified challenges. Solve puzzles by arranging code blocks, debug issues, and tackle system design problems. Track your progress and prepare for interviews or strengthen your computer science fundamentals.

Highlights
  • Gamified algorithm puzzles
  • Interactive debugging
  • System design challenges
  • Multi-language support
  • Progress tracking dashboard
  • Weekly new challenges
Read full description

Who said learning algorithms had to be boring? Solve coding challenges by dragging and dropping syntax pieces into place. It's like building with code blocks! Challenge Yourself With: Fresh algorithm puzzles every week Interactive debugging missions System design brain teasers Multi-language support (Swift, Python, JavaScript, Java) Personal progress dashboard Whether you're prepping for interviews or strengthening CS foundations, turn study time into play time. Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Discrete Probability

This app provides a comprehensive tool for learning and calculating discrete probability distributions. It includes formulas with derivations, visual tools like histograms, and descriptions of optimized computation methods. It covers general concepts and several specific distributions.

Highlights
  • User-friendly calculator
  • Formulas with derivations
  • Exportable formulas (image/LaTeX)
  • Optimized computation methods
  • Histograms and visual tools
  • General concepts and specific distributions
Read full description

Everything you need to learn and compute discrete distributions — formulas, derivations, and visual tools, all in one app. In Discrete Probability app, everything is in one place: • User-friendly calculator • Formulas with rigorous yet easy-to-follow derivations — exportable as images or LaTeX • Descriptions of optimized computation methods when they differ from the standard formulas • Histograms and other essential visual tools Covered in the first version: • General concepts with definitions and derivations / proofs • Binomial distribution • Geometric distribution • Negative Binomial distribution • Hypergeometric distribution • Poisson distribution We welcome your feedback — write to graphmath@aol.com

Screenshots

Mad Func4 screens
Discrete Probability4 screens

Verdict

The call

The clearest difference is in-app purchases: Discrete Probability at none against Mad Func's 1. Discrete Probability also leads on ratings volume (3 vs 1) and iOS requirement (16.6 vs 18.0). On price, rating, update cadence and ads 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. Mad Func sells 1 in-app purchase, starting at $2.99 per 7 days. Discrete Probability asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Mad Func against 5.0 for Discrete Probability. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Mad Func ships an update every 3 days, Discrete Probability every 4 days. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 5 level
Mad Func versus Discrete Probability: the parameters behind the verdict, then further details
ParameterMad FuncDiscrete Probability
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Number of ratings13 — better
Update frequencyEvery 3 days — betterEvery 4 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.016.6 — better
Further details — not scored
Size28 MB9 MB
Age rating4+4+
DeveloperGina De La RosaYuri Morozov

Customer experience

Mad Func

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Discrete Probability

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Mad Func

Subscriptions1
  • Mad Func Pro$2.997 Days
None

Discrete Probability

No in-app purchases

Questions

Is Mad Func free?
Mad Func is free to download, with in-app purchases available.
Is Discrete Probability free?
Discrete Probability is free to download, with no in-app purchases.
Which has better reviews, Mad Func or Discrete Probability?
Mad Func and Discrete Probability are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do Mad Func or Discrete Probability have ads?
Neither Mad Func nor Discrete Probability shows ads.
Which is updated more often, Mad Func or Discrete Probability?
Mad Func ships an update every 3 days, and Discrete Probability every 4 days. Most recently, Mad Func was updated on October 2, 2026 and Discrete Probability on September 28, 2026.

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