Mental Abacus Expert vs Abacus Lesson
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mental Abacus Expert
Enhance your mental arithmetic abilities with this app that utilizes abacus-based exercises. Improve concentration and working memory through four distinct training modules designed to build mental calculation skills.
- Four abacus-based arithmetic exercises
- Develops concentration and working memory
- Practice mental abacus technique
- Modern (4+1) or classic (5+2) abacus types
- Text and video instructions
- Built-in speech engine
- Beginner and expert modes
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Working with the Mental abacus app will help you develop your mental arithmetic skills using the abacus. The four different types of exercises also trains your concentration and working memory. Exercise 1 - Quick interpretation of abacus figures. This exercise will practice your ability to imagine and keep the images clear in your mind. It is a skill that is essential if you want to develop mental arithmetic with the so-called mental abacus technique. Exercise 2 - Quick perception of numbers. The aim of this exercise is to develop your ability to quickly percept numbers in numerical form, remember the numbers, and then transfer them to abacus form. Exercise 3 - View / listen to numbers and count on an Abacus. In this exercise, you practice addition, subtraction or mixed arithmetic. This activity provides opportunities for you to develop mental abacus technique- that is the ability to order your mind’s eye to imagine an abacus, and then make the calculations on this inner, virtual abacus. Exercise 4 - Listen and/or view numbers and count on a Mental Abacus. This exercise practice your ability to imagine an abacus and make calculations on it. By practicing all four steps of the Mental Abacus app at each training session, you will notice that it gets easier and easier to mentally retain and imagine the beads movements for your inner eye. It is possible to train a fast and accurate mental arithmetic skill this way. Features - Four exercises that practice your arithmetic skills and develops mental abacus technique. - Choose between modern (4+1) or classic (5+2) abacus type. - Text- and video instructions. - The app has built in speech engine. - Choose between beginner mode and expert mode on the two last exercises.
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.
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Verdict
The clearest difference is review sentiment: Abacus Lesson at 100% against Mental Abacus Expert's 50%. Abacus Lesson also leads on rating (5.0 vs 4.1). Mental Abacus Expert's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, 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. Mental Abacus Expert asks for nothing beyond the download.
Abacus Lesson holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews point the same way: 50% of Mental Abacus Expert's written reviews are positive against 100% of Abacus Lesson's.
Mental Abacus Expert ships an update every 3 weeks, Abacus Lesson monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Mental Abacus Expert | Abacus Lesson |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (7 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 | 8 — better |
| Update frequency | Every 3 weeks — better | 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 | 7.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 26 MB | 132 MB |
| Age rating | 4+ | 4+ |
| Developer | Lindbla Las och Skrivutveckling AB | Hirokazu Komatsu |
Customer experience
Mental Abacus Expert
Abacus Lesson
In-app purchases
Mental Abacus Expert
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 Mental Abacus Expert free?
Is Abacus Lesson free?
Which has better reviews, Mental Abacus Expert or Abacus Lesson?
Do Mental Abacus Expert or Abacus Lesson have ads?
Which is updated more often, Mental Abacus Expert or Abacus Lesson?
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