Abacutor vs Abacus Lesson
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Abacus Lesson
Learn addition and subtraction using a virtual abacus, also known as a Soroban. This app helps you develop mental calculation skills, enabling you to perform calculations without physical tools.
- Learn addition
- Learn subtraction
- Virtual abacus (Soroban)
- Develop mental calculation skills
- Perform calculations without physical tools
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This is an app that you can learn addition and subtraction using an abacus. 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. Imagine that you can use calculations of about 3 digits in your life without physical tools. This app will give you the skill of calculation.
Screenshots
Verdict
The clearest difference is rating: Abacus Lesson at 4.9 against Abacutor's 3.8. Abacus Lesson also leads on ratings volume (836 vs 29) and update cadence (every 3 weeks vs every 2 months). Abacutor's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price 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. Abacutor asks for nothing beyond the download.
Abacus Lesson holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: Abacus Lesson has 836 ratings behind it against 29, so its average is the more settled of the two.
Abacutor ships an update every 2 months, Abacus Lesson every 3 weeks. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.
| Parameter | Abacutor | Abacus Lesson |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (29 ratings) | 4.9 (836 ratings) — better |
| Positive reviews | — | 93.1% of reviews |
| Number of ratings | 29 | 836 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| 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 | 15.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | Soroban League North America Corp | Hirokazu Komatsu |
Customer experience
Abacutor
Abacus Lesson
Bugs and requests
Abacutor
Not enough reviews yet to summarise bugs or requests.
Abacus Lesson
Reported bugs
4 issues- Accidental app closure on iPhone during bead swiping
- Error in lesson 3 addition summary
- Sloppy English translation causing confusion
- Lessons difficult to read visually
Requested features
6 requests- Add Chinese Abacus (Suanpan) option
- Landscape view support
- Level skip functionality
- Better English translation/editing
- Clearer problem presentation with equation format
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- Improved lesson readability
In-app purchases
Abacutor
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 Abacutor free?
Is Abacus Lesson free?
Which has better reviews, Abacutor or Abacus Lesson?
Do Abacutor or Abacus Lesson have ads?
Which is updated more often, Abacutor or Abacus Lesson?
Other comparisons
