Mental Abacus Expert vs Abacus Exercise
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 Exercise
Practice abacus calculations with a customizable digital tool. Adjust bead colors, sounds, and layout for a personalized learning experience. Challenge yourself with addition, subtraction, multiplication, and division exercises.
- Customizable abacus layout
- Adjustable bead size and position
- Up to 15-digit support
- Customizable bead colors and sounds
- Addition, subtraction, multiplication, division practice
- Level-based challenges
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This app focuses on the ease of use of the abacus on the app, and aims to realize smooth and comfortable operability. In addition to being able to use the abacus widely on the horizontal screen, the size and position can be freely customized according to the device. The number of digits can be used up to 15 digits, and the color and sound of the beads can also be set. You can challenge the addition and subtraction, multiplication, division questions according to your level.
Screenshots
Verdict
The clearest difference is ads: Mental Abacus Expert at none against Abacus Exercise's shown. Mental Abacus Expert also leads on monetization model (free vs ad-supported) and iOS requirement (7.0 vs 11.0). Abacus Exercise's advantage is rating (4.5 vs 4.1) and ratings volume (60 vs 7). On price, review sentiment, update cadence and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Abacus Exercise holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: Abacus Exercise has 60 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 50% of Mental Abacus Expert's written reviews are positive against 46% of Abacus Exercise's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on June 10, 2026 and September 21, 2026 respectively.
| Parameter | Mental Abacus Expert | Abacus Exercise |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (7 ratings) | 4.5 (60 ratings) — better |
| Positive reviews | 50.0% of reviews — better | 46.2% of reviews |
| Number of ratings | 7 | 60 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 26 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Lindbla Las och Skrivutveckling AB | Hirokazu Komatsu |
Customer experience
Mental Abacus Expert
Abacus Exercise
In-app purchases
Mental Abacus Expert
No in-app purchases
Abacus Exercise
No in-app purchases
Questions
Is Mental Abacus Expert free?
Is Abacus Exercise free?
Which has better reviews, Mental Abacus Expert or Abacus Exercise?
Do Mental Abacus Expert or Abacus Exercise have ads?
Which is updated more often, Mental Abacus Expert or Abacus Exercise?
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