Comparison

Mathematics Quest vs ProbabilityPlayer

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

Head to head
About

Mathematics Quest

Features
Read full description

This app is a fill-in-the-blank question collection specifically designed for preparing for the mathematics section of Japan's university entrance exams' common tests. It covers past questions from the common tests and center exams over 15 years, from 2009 to 2023. Based on the essence extracted from past questions, it provides an experience close to the actual exam environment. Utilizing the Apple Pencil or hand-written input, it allows for intuitive calculations. The app is equipped with a variety of features to support learning, such as visualization of progress, a bookmark function, and detailed explanations with correct/incorrect judgments. Main Features: ・Covers 15 years of past math questions from 2009 to 2023. ・Fill-in-the-blank format that mimics the actual test environment. ・Handwriting calculation support: Comfortable operation using Apple Pencil or fingers. ・Learning progress management: Clearly visible correct answer marks. ・Easy access to favorite questions with bookmark function. ・Enhance understanding with detailed explanations in correct/incorrect judgments. ・Covers the range of Mathematics I. ・Light mode/Dark mode support. This app is the perfect partner for preparing for the common tests. Achieve efficient and effective learning with your handheld device.

About

ProbabilityPlayer

Practice probability problems for the Kyotsu Test, a common Japanese university entrance exam. This app focuses on mathematical probability questions and includes diagrams to aid understanding. It is designed to help students prepare for this specific academic assessment.

Highlights
  • Probability problem practice
  • Kyotsu Test focus
  • Mathematical probability
  • Diagrams included
  • University entrance exam prep
Features
Read full description

This is an app for Kyotsu Test, the test widely used in Japanese university entrance exams, dealing especially with probability problems in mathematics. I have applied to the rights holder to use the test.

Screenshots

Mathematics Quest4 screens
ProbabilityPlayer4 screens

Verdict

The call

The clearest difference is in-app purchases: Mathematics Quest at none against ProbabilityPlayer's 1. Mathematics Quest also leads on update cadence (weekly vs monthly) and iOS requirement (16.2 vs 18.0). ProbabilityPlayer's advantage is ads (none vs shown). On price and device support 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. ProbabilityPlayer sells 1 one-off in-app purchase. Mathematics Quest asks for nothing beyond the download.

UpkeepUpdate frequency

Mathematics Quest ships an update weekly, ProbabilityPlayer monthly. The most recent releases landed on September 11, 2026 and August 27, 2026 respectively.

Scorecard4 real differences · 4 level
Mathematics Quest versus ProbabilityPlayer: the parameters behind the verdict, then further details
ParameterMathematics QuestProbabilityPlayer
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyWeekly — betterMonthly
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.2 — better18.0
Further details — not scored
Size13 MB9 MB
Age rating4+4+
DeveloperYUSUKE MURATAMotonari Hibi

In-app purchases

None

Mathematics Quest

No in-app purchases

1 purchases

ProbabilityPlayer

One-time1
  • Premium$1.99

Questions

Is Mathematics Quest free?
Mathematics Quest is free to download, with no in-app purchases.
Is ProbabilityPlayer free?
ProbabilityPlayer is free to download, with in-app purchases available.
Do Mathematics Quest or ProbabilityPlayer have ads?
Mathematics Quest shows ads; ProbabilityPlayer does not.
Which is updated more often, Mathematics Quest or ProbabilityPlayer?
Mathematics Quest ships an update weekly, and ProbabilityPlayer monthly. Most recently, Mathematics Quest was updated on September 11, 2026 and ProbabilityPlayer on August 27, 2026.

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