そろばん暗算の計算なら そろばんDANQ vs Abacus Lesson
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
そろばん暗算の計算なら そろばんDANQ
This app is designed for serious practice of abacus calculation and mental abacus. It offers automatic scoring and re-presents incorrect problems for efficient learning. Practice with problems used by over 100 million people, covering all levels from beginner to advanced.
- Abacus calculation practice
- Mental abacus training
- Automatic scoring
- Adaptive problem re-presentation
- Progress visualization with graphs
- Problems from a leading Japanese publisher
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そろばん暗算計算アプリ DANQ（ダンク）の特長 ■そろばん計算に特化 そろばん計算、そろばん暗算を本気で練習する人のためのアプリです。答えをアプリに入力するだけ。採点は自動、間違えた問題だけ自動で出題する機能もあるので練習効率が劇的に上がります。 ■日本で一番使われている問題が無料で解ける 累計1億人以上が利用する朝日プリント社が監修、問題提供。今も全国のそろばん教室で使われているテキストの問題をそのまま収録してるから今日からスグ使えます。そろばん暗算はもちろん、すべての級と段位に対応。 ■練習結果データを可視化 練習結果は全てきれいなグラフで可視化され、達成感を感じれるのでモチベーションが続きやすくなります。
Abacus Lesson
Learn the simple and fast method of division using an abacus. This app focuses on developing mental calculation skills by leveraging the abacus technique. It's recommended to master addition, subtraction, and multiplication with an abacus first.
- Learn abacus division techniques
- Develop mental calculation skills
- Focus on Soroban method
- Step-by-step division instruction
- Builds on addition, subtraction, multiplication
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An abacus is named "Soroban" in Japan. Do you know what an abacus is? The abacus is very simple calculator used in China, Japan, Korea and so on. Some people may say "Isn't it an unnecessary tool if you have a calculator such as a smartphone?". Answer would be "No". The biggest difference between electric calculators and the abacus is whether you need to hold it in your hand when calculating. Because of its simplicity, you will be able to easily use the abacus in your mind. In the app, we will explain simple and fast method of the division using the abacus. To learn division, it is essential to be able to add, sub, and multiplication with an abacus. If you are new to them, we recommend that you learn addition subtraction multiplication with the app in my app list first. This app will give you the skill of calculation of division.
Screenshots
Verdict
The clearest difference is rating: Abacus Lesson at 5.0 against そろばん暗算の計算なら そろばんDANQ's 3.0. Abacus Lesson also leads on ratings volume (8 vs 1) and iOS requirement (11.0 vs 13.0). そろばん暗算の計算なら そろばんDANQ's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, update cadence 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. Abacus Lesson sells 3 one-off in-app purchases. そろばん暗算の計算なら そろばんDANQ asks for nothing beyond the download.
Abacus Lesson holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Abacus Lesson has 8 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and November 11, 2026 respectively.
| Parameter | そろばん暗算の計算なら そろばんDANQ | Abacus Lesson |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 8 — better |
| Update frequency | Monthly | Monthly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 132 MB |
| Age rating | 4+ | 4+ |
| Developer | Oriens, Inc. | Hirokazu Komatsu |
Customer experience
そろばん暗算の計算なら そろばんDANQ
Abacus Lesson
In-app purchases
そろばん暗算の計算なら そろばんDANQ
No in-app purchases
Abacus Lesson
- Donation Lv1 for hiding Ad$1.99
- Donation Lv2 for hiding Ad$3.99
- Donation Lv3 for hiding Ad$8.99
Questions
Is そろばん暗算の計算なら そろばんDANQ free?
Is Abacus Lesson free?
Which has better reviews, そろばん暗算の計算なら そろばんDANQ or Abacus Lesson?
Do そろばん暗算の計算なら そろばんDANQ or Abacus Lesson have ads?
Which is updated more often, そろばん暗算の計算なら そろばんDANQ or Abacus Lesson?
Other comparisons
