88くんマスター そろばん教室88くん vs Flash mental calculation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
88くんマスター そろばん教室88くん
This official app from Soroban Kyoshitsu 88-kun offers practice for children attending their abacus classes. It allows for flash calculation and arithmetic drills at home, with features like multiplication tables and place value exercises.
- Flash calculation practice
- Multiplication table drills
- Place value exercises
- Addition and subtraction practice
- Division and multiplication drills
- Number recognition for toddlers
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このアプリは、幼児から通える「そろばん教室88くん」の公式アプリです。 セイハグループである「そろばん88くん教室」にお通い頂いているお子様に、自宅でもフラッシュ暗算の練習や、計算の練習を行うことができます! 主な機能: ・一人フラッシュ 簡単な問題からフラッシュ暗算を練習します。 ・九九マスター 九九の計算練習をします。 そろばん教室 88くん アプリ会員様限定機能: ・5・10になるマスター かずになれるところから始まり、くりあがり、くりさがりで出てくる要素の練習をします。 ・25マスけいさんマスター 25マス計算の方式で足し算、引き算、掛け算、割り算の計算練習をします。 ・位取りノック 掛け算、割り算の計算結果の桁数を予想する練習をします。 ・確商マスター 割り算の商の最大桁の数字の計算練習をします。 ・みんなでフラッシュ 桁数、口数、秒数を指定してフラッシュ暗算を行います。 ・すうじチャレンジ 幼児向けに、数字を慣れる練習を行います。 システムメンテナンスまたはネットワーク障害等により一時的にご利用になれない場合がございます。 ご不便をお掛けしますが、時間を置いて再ログインしていただきますようお願いします。
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.
- Practice flash mental arithmetic
- Review calculation process
- Rechallenge mistaken problems
- Save past calculation logs
- Log history saved after purchase
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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.
Screenshots
Verdict
The clearest difference is review sentiment: Flash mental calculation at 100% against 88くんマスター そろばん教室88くん's 0%. 88くんマスター そろばん教室88くん's advantage is in-app purchases (none vs 1) 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. Flash mental calculation sells 1 one-off in-app purchase. 88くんマスター そろばん教室88くん asks for nothing beyond the download.
88くんマスター そろばん教室88くん ships an update every 3 months, Flash mental calculation every 5 months. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.
| Parameter | 88くんマスター そろばん教室88くん | Flash mental calculation |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months — better | Every 5 months |
| 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 | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 28 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | SEIHA NETWORK CO., LTD. | kenji kiuchi |
Customer experience
88くんマスター そろばん教室88くん
Flash mental calculation
In-app purchases
88くんマスター そろばん教室88くん
No in-app purchases
Flash mental calculation
- Remove AD & All function Release.$9.99
Questions
Is 88くんマスター そろばん教室88くん free?
Is Flash mental calculation free?
Do 88くんマスター そろばん教室88くん or Flash mental calculation have ads?
Which is updated more often, 88くんマスター そろばん教室88くん or Flash mental calculation?
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