Comparison

Flash mental calculation vs そろばん暗算の計算なら そろばんDANQ

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

Head to head
About

Flash mental calculation

Practice mental arithmetic with this educational app. Review your calculation process, and easily re-challenge mistaken problems from your past logs. Upgrade to save more calculation history.

Highlights
  • Practice flash mental arithmetic
  • Review calculation process
  • Rechallenge mistaken problems
  • Save past calculation logs
  • Log history saved after purchase
Features
Read full description

This app that you can practice flash mental arithmetic. You can review the calculation process by tapping the confirmation button after calculation. In addition, since the question which was made is saved in the past log, you can rechallenge the mistaken problem later. The past logs are saved for 10 questions before purchase, and 150 questions can be saved after purchase. ■ Past log Challenge mode, practice mode questions and results are automatically saved. Touch the challenge button to re-challenge the question. The past logs are saved for 10 questions before purchase and 150 questions are stored after purchase.

About

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.

Highlights
  • Abacus calculation practice
  • Mental abacus training
  • Automatic scoring
  • Adaptive problem re-presentation
  • Progress visualization with graphs
  • Problems from a leading Japanese publisher
Features
Read full description

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。

Screenshots

Flash mental calculation3 screens
そろばん暗算の計算なら そろばんDANQ4 screens

Verdict

The call

The clearest difference is rating: Flash mental calculation at 5.0 against そろばん暗算の計算なら そろばんDANQ's 3.0. そろばん暗算の計算なら そろばんDANQ's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume 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

Both are free to download. Flash mental calculation sells 1 one-off in-app purchase. そろばん暗算の計算なら そろばんDANQ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flash mental calculation holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Flash mental calculation ships an update every 5 months, そろばん暗算の計算なら そろばんDANQ monthly. The most recent releases landed on August 19, 2026 and July 5, 2026 respectively.

Scorecard6 real differences · 4 level
Flash mental calculation versus そろばん暗算の計算なら そろばんDANQ: the parameters behind the verdict, then further details
ParameterFlash mental calculationそろばん暗算の計算なら そろばんDANQ
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 5 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size11 MB74 MB
Age rating4+4+
Developerkenji kiuchiOriens, Inc.

Customer experience

Flash mental calculation

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

そろばん暗算の計算なら そろばんDANQ

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

1 purchases

Flash mental calculation

One-time1
  • Remove AD & All function Release.$9.99
None

そろばん暗算の計算なら そろばんDANQ

No in-app purchases

Questions

Is Flash mental calculation free?
Flash mental calculation is free to download, with in-app purchases available.
Is そろばん暗算の計算なら そろばんDANQ free?
そろばん暗算の計算なら そろばんDANQ is free to download, with no in-app purchases.
Which has better reviews, Flash mental calculation or そろばん暗算の計算なら そろばんDANQ?
Flash mental calculation is rated higher. Flash mental calculation averages 5.0 out of 5 from 2 ratings, while そろばん暗算の計算なら そろばんDANQ averages 3.0 from 1 ratings.
Do Flash mental calculation or そろばん暗算の計算なら そろばんDANQ have ads?
Flash mental calculation shows ads; そろばん暗算の計算なら そろばんDANQ does not.
Which is updated more often, Flash mental calculation or そろばん暗算の計算なら そろばんDANQ?
Flash mental calculation ships an update every 5 months, and そろばん暗算の計算なら そろばんDANQ monthly. Most recently, Flash mental calculation was updated on August 19, 2026 and そろばん暗算の計算なら そろばんDANQ on July 5, 2026.

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