Comparison

Crazy HiraKata vs Probability Theory Foundations

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

Head to head
About

Crazy HiraKata

This quiz game helps beginners learn Japanese Hiragana and Katakana characters. It tests your knowledge of characters and their Romaji transliterations through multiple-choice questions covering various Japanese sound types.

Highlights
  • Learn Hiragana and Katakana
  • Quiz game format
  • Multiple-choice questions
  • Covers seion, dakuon, and youon
  • Romaji transliteration practice
Features
Read full description

"HiraKata Quiz" is an application that help you remember the full Japanese Hiragana and Katakana characters. It including the type: - seion - dakuon - youon This is a quiz game. You must remember the characters and Romaji transliteration of a character Japanese (Hiragana or Katakana) to get the right answer on multiple choice. This application will be very helpful for a beginner learn The Japanese. Wish you every success! ありがとうございます。

About

Probability Theory Foundations

Features
Read full description

Probability Theory Foundations is an independent study app for learners who want structured practice in core probability ideas, problem-solving habits, and exam-style reasoning. Built for students, self-learners, and anyone reviewing fundamentals, the app includes 160 questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. Every question includes an explanation so you can understand why an answer works, not just whether it was right. Features: - FSRS spaced-repetition intervals to help review at the right time - Weak-point heatmap to spot topics that need attention - Daily challenge for consistent practice - Mock exams for timed review - Offline practice with no login required - Explanations for every question Practice offline, no login required. Independent study app for Probability Theory Foundations practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.

Screenshots

Crazy HiraKata4 screens
Probability Theory Foundations4 screens

Verdict

The call

The clearest difference is iOS requirement: Crazy HiraKata at 11.0 against Probability Theory Foundations's 15.1. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
Crazy HiraKata versus Probability Theory Foundations: the parameters behind the verdict, then further details
ParameterCrazy HiraKataProbability Theory Foundations
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 28 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size8 MB38 MB
Age rating4+4+
DeveloperTien LeAFTW LLC

In-app purchases

None

Crazy HiraKata

No in-app purchases

None

Probability Theory Foundations

No in-app purchases

Questions

Is Crazy HiraKata free?
Crazy HiraKata is free to download, with no in-app purchases.
Is Probability Theory Foundations free?
Probability Theory Foundations is free to download, with no in-app purchases.
Do Crazy HiraKata or Probability Theory Foundations have ads?
Neither Crazy HiraKata nor Probability Theory Foundations shows ads.

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