Comparison

統計検定アプリ 4級 vs Derivon

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

Head to head
About

統計検定アプリ 4級

Features
Read full description

統計検定を受験する予定がある人/確率・統計を学びたい人向けの学習支援アプリです。 統計検定対策4級アプリ5つの特徴 ①万全な統計検定対策が可能 
アプリの問題は統計検定4級の出題範囲に沿って作成されており、統計検定対応講座を担当する講師陣が監修した問題のみを掲載しているため、万全の統計検定対策ができます。 ②得意分野・苦手分野をすぐに把握 各カテゴリごとの理解度をチェックし、すぐに学習の穴を埋めることができます。全問正答するとバッチを獲得し、自身の頑張りが可視化され、間違えた問題は復習フラグがつき、いつでも復習が可能です。 ③学習データの可視化 常に学習の進捗率が確認できます。現在の各カテゴリごとの進捗や学習状況、試験日までの学習ペースの目安などを可視化できるので、計画的に勉強を進めることが可能です。 ④時間・場所を問わずに学習可能 アプリを開けば片手でいつでも勉強できるので、通学・通勤中や休み時間などのスキマ時間を有効活用いただけます。 ⑤最新のAI情報をキャッチアップ 定期的にAI関連ニュースやAI技術に関するブログもチェックできるため、問題を解くだけでなく、情報収集としても利用いただけます。 ※アプリの利用にはインターネット接続が必要です 以下のページからご購入に関するよくある質問をご確認いただけます。 knowledge.skillupai.com/ja/knowledge/各種アプリ

About

Derivon

Master calculus with daily practice, solving derivatives and integrals through repetition. Earn rewards, collect planets, and build streaks. Designed for AP Calculus, university exams, or general math skill enhancement, it makes practice feel like a space adventure in just 3 minutes a day.

Highlights
  • Daily calculus problem practice
  • Solve derivatives and integrals
  • Gamified rewards system (Star Sand, planets)
  • Daily streak building
  • Rank-Up Challenges
  • Shooting mode for breaks
  • Progress tracking and leveling up
Read full description

Master calculus through daily practice. Solve derivatives and integrals by intuition — no overthinking, just repetition. • Swipe through problems and build your skills • Earn Star Sand with every correct answer • Spin the Gacha to collect planets in your Gallery • Build a daily streak — never break the chain • Take Rank-Up Challenges as you progress • Play Shooting mode for a quick break • Track your streak, level up, and earn rewards Whether you're preparing for AP Calculus, university exams, or just sharpening your math skills, Derivon makes practice feel like a space adventure. 3 minutes a day. That's all it takes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

統計検定アプリ 4級4 screens
Derivon4 screens

Verdict

The call

The clearest difference is price: Derivon at Free against 統計検定アプリ 4級's $6.99. Derivon also leads on update cadence (every 5 days vs every 3 months). 統計検定アプリ 4級's advantage is in-app purchases (none vs 5) and ads (none vs shown).

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

Derivon is free to download; 統計検定アプリ 4級 costs $6.99 up front. Derivon sells 5 in-app purchases, starting at $1.99 per month. 統計検定アプリ 4級 asks for nothing beyond the download.

UpkeepUpdate frequency

統計検定アプリ 4級 ships an update every 3 months, Derivon every 5 days. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
統計検定アプリ 4級 versus Derivon: the parameters behind the verdict, then further details
Parameter統計検定アプリ 4級Derivon
Price$6.99Free — better
Rating—3.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better26.0
Further details — not scored
Size82 MB251 MB
Age rating4+4+
DeveloperSKILLUP NeXt, Ltd.ABT合同会社

In-app purchases

None

統計検定アプリ 4級

No in-app purchases

5 purchases

Derivon

Subscriptions2
  • Derivon Super (Monthly)7 Days trial$1.991 Month
  • Derivon Super (Yearly)7 Days trial$14.991 Year
One-time3
  • 5 Star Fragments$0.99
  • 12 Star Fragments$1.99
  • 32 Star Fragments$3.99

Questions

Is 統計検定アプリ 4級 free?
統計検定アプリ 4級 costs $6.99, with no in-app purchases.
Is Derivon free?
Derivon is free to download, with in-app purchases available.
Do 統計検定アプリ 4級 or Derivon have ads?
Derivon shows ads; 統計検定アプリ 4級 does not.
Which is updated more often, 統計検定アプリ 4級 or Derivon?
統計検定アプリ 4級 ships an update every 3 months, and Derivon every 5 days. Most recently, 統計検定アプリ 4級 was updated on November 12, 2026 and Derivon on November 9, 2026.

Other comparisons