Crazy HiraKata vs Probability Theory Foundations
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Learn Hiragana and Katakana
- Quiz game format
- Multiple-choice questions
- Covers seion, dakuon, and youon
- Romaji transliteration practice
Read full descriptionHide 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。
Probability Theory Foundations
Read full descriptionHide 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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Crazy HiraKata | Probability Theory Foundations |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 28 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 8 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Tien Le | AFTW LLC |
In-app purchases
Crazy HiraKata
No in-app purchases
Probability Theory Foundations
No in-app purchases
Questions
Is Crazy HiraKata free?
Is Probability Theory Foundations free?
Do Crazy HiraKata or Probability Theory Foundations have ads?
Other comparisons















