# Abacutor vs Mental Math Speed Trainer

The clearest difference is rating: Mental Math Speed Trainer at 4.3 against Abacutor's 3.8. Mental Math Speed Trainer also leads on update cadence (weekly 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 Speed Trainer sells 3 in-app purchases, starting at $2.99 per month. Abacutor asks for nothing beyond the download.

Mental Math Speed Trainer 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 Speed Trainer weekly. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Abacutor | Mental Math Speed Trainer |
| --- | --- | --- |
| 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-speed-trainer/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 | **Weekly** |
| 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 Speed Trainer

[App page](https://appshunter.io/ios/app/mental-math-speed-trainer/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 Speed Trainer free?

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

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

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

### Do Abacutor or Mental Math Speed Trainer have ads?

Mental Math Speed Trainer shows ads; Abacutor does not.

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

Abacutor ships an update every 2 months, and Mental Math Speed Trainer weekly. Most recently, Abacutor was updated on September 18, 2026 and Mental Math Speed Trainer on September 22, 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.*