Divio vs CalcMaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Divio
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Divio は、筆算のわり算を一歩ずつ練習するための子ども向けアプリです。 筆算のレイアウトを画面に表示し、現在入力する手順をハイライトしながら、順番どおりに答えを入力していきます。多桁のわり算を、流れを確認しながら練習したい子どもに向けて設計しています。 主な機能: - 筆算のわり算を手順ごとにガイド - 商、かけ算、引き算、下ろす手順の入力 - 間違えた問題の復習 - 子どもごとのローカルプロフィール - 全問正解した最も高いステージに基づくレベル表示 - 任意のローカルリマインダー - 日本語と英語の表示切り替え Divio はアカウント登録なしで使えます。初回リリースでは、学習記録とプロフィールデータは端末内に保存されます。
CalcMaster
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CalcMaster is a math practice app for column arithmetic, times tables, and printable worksheets you can make yourself. Just like solving problems in a paper notebook, you write your working out on the handwriting canvas and enter the final answer with the on-screen keypad. It works smoothly with Apple Pencil or a finger, so practice can happen anywhere. [Great for anyone who wants to] Master carrying and borrowing in column arithmetic Memorize times tables in short, focused sessions Practice at their own pace without paper worksheets Build a steady daily math habit [Column Arithmetic] Practice addition, subtraction, multiplication, and division in classic vertical (column) format. The handwriting canvas features a grid-paper background and an optional column-alignment guide, ideal for learning to line up digits correctly. [Times Tables Master] Choose a specific table (1 through 9) for focused drill, or pick Mix mode to shuffle all 81 questions together. Streak counters, per-table completion dots, and gentle hints help keep motivation high. [Math Worksheets] Generate addition, subtraction, multiplication, and division problems as a PDF and print them as paper drills. Just pick the operations, format (equation or column), difficulty, number of digits, and pages to create your own custom worksheets — handy for homework and home study. [Units Master] A reference mode for units of length, volume, weight, area, and time, shown alongside a sense of real quantity so kids can grasp how units work intuitively. [Compare Master] A game-style quiz for comparing which number or quantity is larger, building a feel for numbers while having fun. [4-Level Difficulty System] Question difficulty automatically expands as you answer more correctly. Lv.1: 2-digit plus 1-digit basics Lv.4: 3-digit plus 3-digit challenges Smooth, achievable progression builds real confidence. [Records Screen] See today's question count, lifetime totals per operation, per-table progress for times tables, and a 7-day bar chart. Your effort is visualized, giving you a clear reason to come back tomorrow. [Instant Feedback] A satisfying animation greets every correct answer, while a gentle shake signals a miss. The app moves to the next question automatically, keeping practice quick and rhythmic. [Designed with Care] Optimized layouts for both iPhone and iPad Simple, distraction-free interface Progress is saved on-device and can be reset anytime Five minutes a day is all it takes to build math confidence. Start your daily practice habit with CalcMaster today.
Screenshots
Verdict
The clearest difference is in-app purchases: Divio at none against CalcMaster's 1. Divio also leads on iOS requirement (15.1 vs 18.0). On price, 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
Both are free to download. CalcMaster sells 1 one-off in-app purchase. Divio asks for nothing beyond the download.
| Parameter | Divio | CalcMaster |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 9 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 50 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Yu Takahashi | Yoshitaka Tanaka |
In-app purchases
Divio
No in-app purchases
CalcMaster
- CalcMaster Full Pack$9.99





