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
Master mental arithmetic and abacus calculation with this comprehensive app. Learn efficient finger movements and mental math techniques to solve complex problems quickly. Enjoy a customizable and ad-free learning experience with progress tracking.
- Abacus lessons
- Mental arithmetic training
- Finger movement focus
- Customizable abacus color
- Screen orientation options
- Trophy system for goals
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356+735+195, 23×89, 5626÷58, Can you solve each in 5 sec by mental arithmetic? The goal of this app is to learn abacus and solve these problems in mental arithmetic within 5 seconds. All lessons of the abacus lesson series, which have been highly evaluated all over the world, are recorded. The lessons have been reworked in a more polite and easy-to-understand. In addition, we have added unique training methods such as training focusing on finger movements and mental arithmetic training to improve mental arithmetic in order to learn abacus more efficiently. And various improvements have been made. - Either vertical screen or horizontal screen can be selected. - The position and size of the abacus and window can be freely laid out. - No ads. - Added sound variations. Volume control can also be finely set. - The color of the abacus can be set freely. - Earn a trophy by achieving the goal. - Smoother operability by optimizing the app. ◆Support web page https://hirokuma.blog/?p=4427
Screenshots
Verdict
The clearest difference is rating: Abacus Lesson at 4.8 against Mental Abacus Expert's 4.1. Abacus Lesson also leads on update cadence (every 2 days vs every 3 weeks) and review sentiment (75% vs 50%). Mental Abacus Expert's advantage is in-app purchases (none vs 1) and iOS requirement (7.0 vs 11.0). On price, ads 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 1 one-off in-app purchase. Mental Abacus Expert asks for nothing beyond the download.
Abacus Lesson holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Abacus Lesson has 95 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 50% of Mental Abacus Expert's written reviews are positive against 75% of Abacus Lesson's.
Mental Abacus Expert ships an update every 3 weeks, Abacus Lesson every 2 days. The most recent releases landed on June 10, 2026 and September 27, 2026 respectively.
| Parameter | Mental Abacus Expert | Abacus Lesson |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (7 ratings) | 4.8 (95 ratings) — better |
| Positive reviews | 50.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 7 | 95 — better |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No | No |
| 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 | 153 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
- Unlock all contents$5.99
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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