Comparison

Mathematical Playground vs ○○といえば? 司法書士試験ver

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

Head to head
About

Mathematical Playground

An educational tool for learning and teaching about 3D mathematical shapes. It offers features like measuring dimensions, cutting shapes, and coloring, making complex geometry accessible for students and educators.

Highlights
  • Measure length, area, distance, angles, and volume
  • Cut shapes along a specified plane
  • Expand shapes face by face
  • Color and highlight shapes
  • Handwriting and screenshot tools
  • Share shape data wirelessly
Features
Read full description

This is an educational tool that is useful for learning or teaching about three dimensional shapes in mathematics. It is recommended to not only students, but also teachers. --Abstract Features-- • Measuring length of edges, area of faces, distances or angles. Furthermore, you can get a volume of any shape. • Cutting shapes along a plane which includes three points you specify. • Expanding a shape by face by face. • Support for the Multitasking. • Calculator Gadget • Handwriting over the screen • Sharing or printing out screenshots. • Distributing the shape's data to people over WiFi or Bluetooth. • Coloring shapes • Highlighting a plane or an edge --- This app runs on devices such that Apple smartphones, tablets, personal computers, etc. that meet the following OS requirements: iOS17.6 or elder.

About

○○といえば? 司法書士試験ver

Features
Read full description

【このアプリは?】 司法書士試験の合格に必要な「数字」「キーワード」「対比論点」を、60秒の想起ゲームで脳に刻む学習補助アプリです。 お題を見て「思い浮かんだ?」を60秒で確認し、答え合わせで定着度をチェックします。 過去問の問題文・選択肢・解説は収録していません。 市販テキストや予備校教材と併用する「直前期の総ざらいツール」です。 【3つのタブで横断学習】 ・数字:期間・人数・割合など、試験で問われる数字を集中暗記 ・キーワード:論点の核になる語を想起トレーニング ・対比:混同しやすい論点を対比で整理 【続けやすい仕組み】 ・60秒タイマーで「思い浮かんだ」をカウント ・苦手度の自動算出と手動ピン留め ・出題回数に応じた重要度ランク(最大3段階) ・連続日数やカバー率で毎日の学習を可視化 【対応科目】 憲法、民法、商法・会社法、刑法、民事訴訟法、民事執行法、民事保全法、司法書士法、供託法、不動産登記法、商業登記法(午前と午後) 【完全オフライン】 データは端末内に保存。電波を気にせず使えます。 【データについて】 ・条文本文:e-Gov法令検索(デジタル庁)より取得 ・一行ルール、連想質問、対比文はAIの協力で作成。お気づきの点はアプリ内のお問い合わせからご連絡ください。 【料金】 ・基本無料(毎日いくつかのお題を無料で利用できます) ・プレミアム(すべてのお題が解放)  月額プラン:100円(14日間の無料トライアル付き)  年額プラン:1,000円 ・期間終了の24時間前までに解約しない限り自動更新されます。購入後はApp Storeアカウント設定からいつでも解約できます。 ・利用規約:https://kashiye-ui.github.io/yokogushi-data/shihoshoshi/terms.html ・プライバシー:https://kashiye-ui.github.io/yokogushi-data/shihoshoshi/privacy.html

Screenshots

Mathematical Playground4 screens
○○といえば? 司法書士試験ver3 screens

Verdict

The call

The clearest difference is price: ○○といえば? 司法書士試験ver at Free against Mathematical Playground's $1.99. ○○といえば? 司法書士試験ver also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.1 vs 17.6). Mathematical Playground's advantage is in-app purchases (none vs 2). On ads 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

○○といえば? 司法書士試験ver is free to download; Mathematical Playground costs $1.99 up front. ○○といえば? 司法書士試験ver sells 2 in-app purchases, starting at $0.49 per month. Mathematical Playground asks for nothing beyond the download.

UpkeepUpdate frequency

Mathematical Playground ships an update every 2 months, ○○といえば? 司法書士試験ver every 2 weeks. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 4 level
Mathematical Playground versus ○○といえば? 司法書士試験ver: the parameters behind the verdict, then further details
ParameterMathematical Playground○○といえば? 司法書士試験ver
Price$1.99Free — better
Positive reviews22.2% of reviews—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size96 MB30 MB
Age rating4+4+
DeveloperJun Nakashimamasayuki kashihara

In-app purchases

None

Mathematical Playground

No in-app purchases

2 purchases

○○といえば? 司法書士試験ver

Subscriptions2
  • Premium (Monthly)14 Days trial$0.491 Month
  • プレミアム(年額)$5.991 Year

Questions

Is Mathematical Playground free?
Mathematical Playground costs $1.99, with no in-app purchases.
Is ○○といえば? 司法書士試験ver free?
○○といえば? 司法書士試験ver is free to download, with in-app purchases available.
Do Mathematical Playground or ○○といえば? 司法書士試験ver have ads?
Neither Mathematical Playground nor ○○といえば? 司法書士試験ver shows ads.
Which is updated more often, Mathematical Playground or ○○といえば? 司法書士試験ver?
Mathematical Playground ships an update every 2 months, and ○○といえば? 司法書士試験ver every 2 weeks. Most recently, Mathematical Playground was updated on September 8, 2026 and ○○といえば? 司法書士試験ver on September 20, 2026.

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