Abacus Practice vs Physics Quest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Abacus Practice
Practice abacus, mental arithmetic, and calculation skills on your iPhone or iPad. Features a realistic abacus interface for various exercises, including addition, subtraction, multiplication, division, and flash calculations. Track your progress and review your performance over time.
- Realistic abacus interface
- Practice addition, subtraction, multiplication, division
- Flash and slip calculations
- Customizable problem generation
- Practice history and performance records
- Adjustable settings for sound, vibration, and left-handed mode
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Build an answer with beads. Check it, then try your mistakes again. Abacus Practice brings Japanese soroban and mental arithmetic practice to iPhone and iPad. Use the on-screen abacus, work with your own physical soroban, or answer mentally. LEARN AND PRACTICE • 16 introductory lessons with bead movement demonstrations • Addition, subtraction, multiplication and division • Flash mental arithmetic with adjustable speed and column-style drills • Answer checking, per-question results and mistake-only review • Start another session with your previous practice settings CREATE YOUR OWN DRILLS Generate problems from selected conditions and practice them in the app. Timed mock exams show answer progress and scores by subject. These are practice formats based on Japanese soroban exams, not official examinations or a guarantee of passing. FIND YOUR FAVORITE BEADS The standard wooden beads have a detailed natural texture. Pro adds skins including springy mint Jelly and transparent Glass, each with a distinct feel and sound. Try extra skins in the interactive preview before purchase. Sound, haptics and left-handed layout are adjustable. FREE AND PRO Introductory lessons, basic practice, a free abacus, and selected problem-generation and mock-exam options are available free. A one-time Pro purchase unlocks expanded practice conditions, advanced problem generation, PDF worksheet creation and sharing, additional exam levels, and extra skins. There is no monthly subscription. No account or ads. Practice records are stored on this device. Now available in Japanese, English, Simplified Chinese, Traditional Chinese and Korean. Screens, all 16 introductory lessons, instructions, purchases and restore, practice history and PDFs follow your app language. Change it directly in Settings > App language inside the app; your choice applies immediately. There are six skins in total: standard Amber is free; Pro adds Walnut, Red & Ivory, Indigo, Jelly and Glass. The free abacus uses a large landscape board with minimal controls so you can focus on moving the beads.
Physics Quest
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Physics Quest は、高校物理から大学初年次の物理までをRPGのように学べる学習アプリです。無料・広告なし・アカウント登録不要。学習コンテンツはオフラインで利用できます。 ■ 分かりやすい動画解説 動く図、数式、音声と字幕で、物理の現象や計算の考え方を解説します。動画は好きなところで一時停止したり、戻って見直したりできます。動画の下には短い補足を用意しています。 ■ 基礎から段階的に学習 高校物理の各分野と、大学の力学・電磁気・数学を収録。初級・中級・上級や、前提知識の動画を使いながら、自分に合ったところから学べます。 ■ バトルで理解を確かめる 4択問題に正解すると敵にダメージを与えます。大学電磁気の最初の単元では、初級・中級・上級それぞれ3問に、音声つきの問題動画と解説動画を用意しました。 ■ 復習にも 公式集や、スターを付けた問題の復習を利用できます。 ■ 収録分野 高校編:力学・熱力学・波動・電磁気・原子 大学編:数学・力学・電磁気 広告・課金・アカウント登録はありません。学習進捗は端末内に保存されます。教材と動画はアプリ内に同梱しているため、学習にインターネット接続は不要です。新しいバージョンのお知らせには通信を使用します。 ※解説動画の音声には VOICEVOX Nemo を使用しています。
Screenshots
Verdict
The clearest difference is price: Physics Quest at Free against Abacus Practice's $0.99. Physics Quest also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 4 months). 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
Physics Quest is free to download; Abacus Practice costs $0.99 up front. Abacus Practice sells 1 one-off in-app purchase. Physics Quest asks for nothing beyond the download.
Abacus Practice ships an update every 4 months, Physics Quest every 2 days. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.
| Parameter | Abacus Practice | Physics Quest |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 334 MB |
| Age rating | 4+ | 4+ |
| Developer | SMART BIT K.K | Miura Kenichi |
In-app purchases
Abacus Practice
- Proアンロック$2.99
Physics Quest
No in-app purchases









