ProbabilityPlayer vs サクッと生物(共通テスト対策)1問1答【サクトレ】
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Probability problem practice
- Kyotsu Test focus
- Mathematical probability
- Diagrams included
- University entrance exam prep
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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.
サクッと生物(共通テスト対策)1問1答【サクトレ】
Prepare for common university entrance exams in biology with this app's simple, ad-free interface. It offers a Q&A format with explanations, perfect for efficient study during commutes. Track your progress and review incorrect answers to improve your chances of success.
- Ad-free user interface
- Q&A format for exam prep
- Explanations for answers
- Progress tracking for last 3 attempts
- Review of incorrect answers
- Efficient study for commutes
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【広告なしのシンプルUI!】 広告ゼロの快適操作。集中して一問一答形式で共通テストの生物の試験対策が可能!解説付き! 【スキマ時間で効率学習!】 通学や通勤時間に最適!『サクッと生物(共通テスト対策)1問1答【サクトレ】』で効率的に合格を目指そう。 共通テストの生物の試験対策はこれで決まり! 共通テストの生物について効率良く学ぶことができます。問題の正答結果を過去3回分まで記憶することが可能です。間違えた問題を復習しやすく、解説もついているため共通テストの生物の試験対策にうってつけです。 問題の誤植や解答・解説の間違いなどありましたらご連絡いただけると幸いです。 利用規約 https://sakutore.decryption.co.jp/terms/ プライバシーポリシー https://sakutore.decryption.co.jp/privacy-policy/
Screenshots
Verdict
The clearest difference is in-app purchases: サクッと生物(共通テスト対策)1問1答【サクトレ】 at none against ProbabilityPlayer's 1. サクッと生物(共通テスト対策)1問1答【サクトレ】 also leads on iOS requirement (12.0 vs 18.0). On price, review sentiment, update cadence 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. ProbabilityPlayer sells 1 one-off in-app purchase. サクッと生物(共通テスト対策)1問1答【サクトレ】 asks for nothing beyond the download.
ProbabilityPlayer ships an update monthly, サクッと生物(共通テスト対策)1問1答【サクトレ】 every 3 weeks. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.
| Parameter | ProbabilityPlayer | サクッと生物(共通テスト対策)1問1答【サクトレ】 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Motonari Hibi | DECRYPTION, CO., LTD. |
Customer experience
ProbabilityPlayer
サクッと生物(共通テスト対策)1問1答【サクトレ】
In-app purchases
ProbabilityPlayer
- Premium$1.99
サクッと生物(共通テスト対策)1問1答【サクトレ】
No in-app purchases





