# Abacutor vs Mental Math

The clearest difference is rating: Mental Math at 4.3 against Abacutor's 3.8. Mental Math also leads on update cadence (every 8 days vs every 2 months). Abacutor's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price there is nothing between them.

Both are free to download. Mental Math sells 3 in-app purchases, starting at $2.99 per month. Abacutor asks for nothing beyond the download.

Mental Math holds the better App Store score, 4.3 against 3.8. That said, the two scores are not equally well evidenced: Abacutor has 29 ratings behind it against 4, so its average is the more settled of the two.

Abacutor ships an update every 2 months, Mental Math every 8 days. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Abacutor | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (29 ratings)](https://appshunter.io/ios/app/abacutor/id1469765610/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/mental-math-soroban-abacus/id6476421167/reviews)** |
| Number of ratings | **29** | 4 |
| Positive reviews | — | 17.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 56 MB |
| Requires iOS | **15.1** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Soroban League North America Corp](https://appshunter.io/developer/1896639256) | [TAKAYUKI HASHIMOTO](https://appshunter.io/developer/1689527181) |

## What reviewers say

### Abacutor

[App page](https://appshunter.io/ios/app/abacutor/id1469765610)

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.

**Highlights:** Digital abacus simulation, Mental math (Anzan) training, Homework assignment and management, Real-time student progress monitoring, Abacus and Soroban method, Classwork and homework tool

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

**In-app purchases:** none


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-soroban-abacus/id6476421167)

Sharpen your mental math skills with this engaging app focused on addition. Customize card numbers and timing intervals for a personalized learning experience. Track your progress with visually stimulating graphics, suitable for all ages.

**Highlights:** Customizable card numbers, Adjustable timing intervals, Focus on addition, Progress tracking, Engaging visuals, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月間プラン | $2.99 | per month |
| 年間プラン | $19.99 | per year |
| Lifetime Premium | $39.99 | one-time |


## Frequently asked questions

### Is Abacutor free?

Abacutor is free to download, with no in-app purchases.

### Is Mental Math free?

Mental Math is free to download, with in-app purchases available.

### Which has better reviews, Abacutor or Mental Math?

Mental Math is rated higher. Abacutor averages 3.8 out of 5 from 29 ratings, while Mental Math averages 4.3 from 4 ratings.

### Do Abacutor or Mental Math have ads?

Mental Math shows ads; Abacutor does not.

### Which is updated more often, Abacutor or Mental Math?

Abacutor ships an update every 2 months, and Mental Math every 8 days. Most recently, Abacutor was updated on October 6, 2026 and Mental Math on October 9, 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.*