# Mental Abacus Book 2 vs Abacus Mental Math Training

The clearest difference is price: Abacus Mental Math Training at Free against Mental Abacus Book 2's $8.99. Abacus Mental Math Training also leads on update cadence (monthly vs every 13 months) and ratings volume (31 vs 1). Mental Abacus Book 2's advantage is rating (5.0 vs 4.1) and in-app purchases (none vs 1). On device support there is nothing between them.

Abacus Mental Math Training is free to download; Mental Abacus Book 2 costs $8.99 up front. Abacus Mental Math Training sells 1 one-off in-app purchase. Mental Abacus Book 2 asks for nothing beyond the download.

Mental Abacus Book 2 holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Abacus Mental Math Training has 31 ratings behind it against 1, so its average is the more settled of the two.

Mental Abacus Book 2 ships an update every 13 months, Abacus Mental Math Training monthly. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mental Abacus Book 2 | Abacus Mental Math Training |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mental-abacus-book-2/id590626674/reviews)** | [4.1 (31 ratings)](https://appshunter.io/ios/app/abacus-mental-math-training/id6449295111/reviews) |
| Number of ratings | 1 | **31** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 16 MB | 34 MB |
| Requires iOS | **8.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [Peikun Duan](https://appshunter.io/developer/1240254007) |

## What reviewers say

### Mental Abacus Book 2

[App page](https://appshunter.io/ios/app/mental-abacus-book-2/id590626674)

This app provides a comprehensive guide to mastering multiplication and division using an abacus. It features detailed explanations, diagrams, and a virtual abacus for hands-on practice. An interactive tool demonstrates calculation steps for both hands.

**Highlights:** Advanced abacus multiplication and division concepts, Detailed explanations with diagrams and examples, Interactive Abaculator for step-by-step calculations, Virtual abacus for hands-on practice, Two hands fingering method for right brain development, Multiplicative pithy formulas for fast multiplication

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

**In-app purchases:** none


### Abacus Mental Math Training

[App page](https://appshunter.io/ios/app/abacus-mental-math-training/id6449295111)

This app offers professional training and assessment for abacus mental calculation and flash calculation, adhering to international grading standards. It features challenge and custom modes to help users improve their math and speed calculation skills.

**Highlights:** Adheres to World Abacus Mental Calculation Federation standards, Challenge Mode with 10 levels and 200 stages, Custom Mode for Flash Calculation and Abacus practice, Adjustable calculation parameters (number range, digits, time), Gradual difficulty progression, Simulates exam conditions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.59 | one-time |


## Frequently asked questions

### Is Mental Abacus Book 2 free?

Mental Abacus Book 2 costs $8.99, with no in-app purchases.

### Is Abacus Mental Math Training free?

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

### Which has better reviews, Mental Abacus Book 2 or Abacus Mental Math Training?

Mental Abacus Book 2 is rated higher. Mental Abacus Book 2 averages 5.0 out of 5 from 1 ratings, while Abacus Mental Math Training averages 4.1 from 31 ratings.

### Do Mental Abacus Book 2 or Abacus Mental Math Training have ads?

Abacus Mental Math Training shows ads; Mental Abacus Book 2 does not.

### Which is updated more often, Mental Abacus Book 2 or Abacus Mental Math Training?

Mental Abacus Book 2 ships an update every 13 months, and Abacus Mental Math Training monthly. Most recently, Mental Abacus Book 2 was updated on October 8, 2026 and Abacus Mental Math Training on October 24, 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.*