Counting and Probability vs Zetamac Arithmetic Practice
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
Read full descriptionHide full description
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.
Zetamac Arithmetic Practice
This app offers mental math practice tailored for quantitative finance professionals. It focuses on improving calculation speed and accuracy for complex numerical problems.
- Mental math practice
- Quantitative finance focus
- Calculation speed improvement
- Accuracy enhancement
- Numerical problem solving
Read full descriptionHide full description
Zetamac - A mental math practice app used in the Quantitative Finance world.
Screenshots
Verdict
The clearest difference is update cadence: Zetamac Arithmetic Practice at daily against Counting and Probability's every 8 months. Counting and Probability's advantage is rating (5.0 vs 4.7) and iOS requirement (13.0 vs 17.5). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Counting and Probability holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 7 and 18 respectively.
Counting and Probability ships an update every 8 months, Zetamac Arithmetic Practice daily. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.
| Parameter | Counting and Probability | Zetamac Arithmetic Practice |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) — better | 4.7 (18 ratings) |
| Positive reviews | — | 82.4% of reviews |
| Number of ratings | 7 | 18 — better |
| Update frequency | Every 8 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 8 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | DEEPPATH LLC | Joseph Ma |
Customer experience
Counting and Probability
Zetamac Arithmetic Practice
In-app purchases
Counting and Probability
No in-app purchases
Zetamac Arithmetic Practice
No in-app purchases
Questions
Is Counting and Probability free?
Is Zetamac Arithmetic Practice free?
Which has better reviews, Counting and Probability or Zetamac Arithmetic Practice?
Do Counting and Probability or Zetamac Arithmetic Practice have ads?
Which is updated more often, Counting and Probability or Zetamac Arithmetic Practice?
Other comparisons
