Flash mental calculation vs Abacutor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Abacutor
This app serves as a digital abacus for students to practice mental math and abacus skills. Teachers can assign homework and monitor student progress in real-time, facilitating faster learning.
- Digital abacus simulation
- Mental math (Anzan) training
- Homework assignment and management
- Real-time student progress monitoring
- Abacus and Soroban method
- Classwork and homework tool
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Abacus, called as Soroban in Japanese and Suanpan in Chinese is an ancient arithmetic tool used even today in many countries and taught to children around the world as a way to improve their mental math (Anzan) abilities. Abacutor, an Abacus Tutor App is a classwork and homework management tool for Abacus teachers and students and follows the Soroban Abacus method. Abacutor allows students to do their classwork and homework on the tablet and provides real time status to Sensei (The Teacher). The sensei can monitor progress of students' homework in real time and provide new homework anytime anywhere for students to practice. Abacutor helps students to practice their homework regularly and get better at Abacus and Anzan at a faster pace. Visit http://www.abacutor.com/ for privacy policy and terms and conditions.
Screenshots
Verdict
The clearest difference is rating: Flash mental calculation at 5.0 against Abacutor's 3.8. Abacutor's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement 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. Abacutor asks for nothing beyond the download.
Flash mental calculation holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Abacutor has 29 ratings behind it against 2, so its average is the more settled of the two.
Flash mental calculation ships an update every 5 months, Abacutor every 2 months. The most recent releases landed on August 19, 2026 and September 18, 2026 respectively.
| Parameter | Flash mental calculation | Abacutor |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.8 (29 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 | 29 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 11 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | kenji kiuchi | Soroban League North America Corp |
Customer experience
Flash mental calculation
Abacutor
In-app purchases
Flash mental calculation
- Remove AD & All function Release.$9.99
Abacutor
No in-app purchases
Questions
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