# Mental Abacus Expert vs Abacus Lesson

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.

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 14 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 every 2 weeks. The most recent releases landed on June 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Mental Abacus Expert | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/mental-abacus-expert/id835952830/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/abacus-lesson-multiplication/id1582635868/reviews)** |
| Number of ratings | 7 | **14** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 138 MB |
| Requires iOS | **7.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lindbla Las och Skrivutveckling AB](https://appshunter.io/developer/835952833) | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) |

## What reviewers say

### Mental Abacus Expert

[App page](https://appshunter.io/ios/app/mental-abacus-expert/id835952830)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Abacus Lesson

[App page](https://appshunter.io/ios/app/abacus-lesson-multiplication/id1582635868)

Learn multiplication using a virtual abacus. This app teaches a simple and fast method for calculating multiplication, emphasizing the mental calculation benefits of the abacus over digital calculators.

**Highlights:** Virtual abacus for multiplication, Simple and fast calculation methods, Focus on mental calculation skills, Step-by-step multiplication lessons, Suitable for beginners

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation Lv1 for hiding Ad | $1.99 | one-time |
| Donation Lv2 for hiding Ad | $3.99 | one-time |
| Donation Lv3 for hiding Ad | $8.99 | one-time |


## Frequently asked questions

### Is Mental Abacus Expert free?

Mental Abacus Expert is free to download, with no in-app purchases.

### Is Abacus Lesson free?

Abacus Lesson is free to download, with in-app purchases available.

### Which has better reviews, Mental Abacus Expert or Abacus Lesson?

Abacus Lesson is rated higher. Mental Abacus Expert averages 4.1 out of 5 from 7 ratings, while Abacus Lesson averages 5.0 from 14 ratings.

### Do Mental Abacus Expert or Abacus Lesson have ads?

Abacus Lesson shows ads; Mental Abacus Expert does not.

### Which is updated more often, Mental Abacus Expert or Abacus Lesson?

Mental Abacus Expert ships an update every 3 weeks, and Abacus Lesson every 2 weeks. Most recently, Mental Abacus Expert was updated on June 10, 2026 and Abacus Lesson on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*