Counting and Probability vs Discrete Probability
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Counting and Probability
Access a curated collection of math competition problems focused on counting and probability. This app provides detailed solutions, bookmarking features for review, and note-taking capabilities to aid your study.
- Math competition problem collection
- Detailed solutions provided
- Bookmark problems for review
- Note-taking for study
- Organized problem collection
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The subject of counting and probability is a challenging in math competitions for math learners. This APP collects the math competition problems on various levels in a organized way and provide solutions to all the problems. The problems can be bookmarked for reviews and notes can be written for the study.
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.
- User-friendly calculator
- Formulas with derivations
- Exportable formulas (image/LaTeX)
- Optimized computation methods
- Histograms and visual tools
- General concepts and specific distributions
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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
Verdict
The clearest difference is update cadence: Discrete Probability at every 4 days against Counting and Probability's every 8 months. Counting and Probability's advantage is iOS requirement (13.0 vs 16.6). On price, rating, ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Counting and Probability against 5.0 for Discrete Probability. Both are backed by a comparable volume of ratings — 7 and 3 respectively.
Counting and Probability ships an update every 8 months, Discrete Probability every 4 days. Both last shipped on October 13, 2026.
| Parameter | Counting and Probability | Discrete Probability |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) | 5.0 (3 ratings) |
| Number of ratings | 7 — better | 3 |
| Update frequency | Every 8 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 8 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | DEEPPATH LLC | Yuri Morozov |
Customer experience
Counting and Probability
Discrete Probability
In-app purchases
Counting and Probability
No in-app purchases
Discrete Probability
No in-app purchases
Questions
Is Counting and Probability free?
Is Discrete Probability free?
Which has better reviews, Counting and Probability or Discrete Probability?
Do Counting and Probability or Discrete Probability have ads?
Which is updated more often, Counting and Probability or Discrete Probability?
Other comparisons
