百Math vs 英検3級英語
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
百Math
This app helps users improve their mental arithmetic skills through a 100-problem calculation trainer. It offers various modes, progress tracking, and a global leaderboard to encourage practice and competition. A clean design and home screen widget provide convenient access.
- 100-problem calculation trainer
- Addition, Subtraction, Multiplication, Division modes
- Progress tracking (streak, average time, charts)
- Global ranking system
- Distraction-free design
- Home screen widget
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When did you last do mental math without reaching for your phone? 百Math was built by an engineer who realized he had become too dependent on calculators and AI to do even simple arithmetic. This app is his answer — and maybe yours too. Trusted by users for 5 years, 百Math is a no-frills 100-problem calculation trainer. Solve all 100 as fast as you can, track your progress, and compete on the global leaderboard. 【Key Features】 ・4 Modes: Addition, Subtraction, Multiplication, and Division ・Schulte Table — a visual search game that sharpens your peripheral vision and focus ・Gorbov Table — an advanced Schulte Table rule where you alternate between ascending red numbers and descending black numbers ・Flash Calculation — a new mode that trains your instant recall ・Ghost Race — compete against your personal best ・Heatmap to spot your weak spots ・Clean, distraction-free design ・Global ranking system ・Streak counter, average time, and time chart to track improvement ・Home screen widget for quick access
英検3級英語
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英検®3級対策にぴったり! 英作文・会話表現・語彙・文法を、ゲーム感覚で楽しく学べる学習アプリです。 英検3級でよく出る表現を何度も繰り返し練習できるので、暗記だけでなく実際に使える英語力が身につきます。 【収録内容】 ◆ 穴うめ問題 英作文でよく使う文法や重要表現を確認します。 ◆ 並び替え問題 単語を正しい順番に並べて英文を完成させます。 ◆ 会話問題 会話の流れに合う返答を選び、実践的な表現を学びます。 ◆ 英作文フレーズタイピング 英作文で役立つ頻出フレーズを繰り返し入力しながら覚えます。 ◆ 動詞カードゲーム 動詞の原形と過去分詞をカードゲームで楽しく学習します。 【このような方におすすめ】 ・英検3級を受験する方 ・英作文が苦手な方 ・会話表現を覚えたい方 ・スキマ時間に効率よく学習したい方 ゲーム感覚で楽しみながら、英検®3級合格に必要な英語力を身につけましょう。
Screenshots
Verdict
The clearest difference is price: 百Math at Free against 英検3級英語's $1.99. 英検3級英語's advantage is ads (none vs shown) and update cadence (daily vs every 9 days). On 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
百Math is free to download; 英検3級英語 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
百Math ships an update every 9 days, 英検3級英語 daily. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.
| Parameter | 百Math | 英検3級英語 |
|---|---|---|
| Price | Free — better | $1.99 |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 9 days | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 18 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | naoya saito | tokey500 |
In-app purchases
百Math
No in-app purchases
英検3級英語
No in-app purchases








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