# Mental Abacus Book 2 vs Abacus Simulator

The clearest difference is price: Abacus Simulator at Free against Mental Abacus Book 2's $8.99. Abacus Simulator also leads on update cadence (every 3 weeks vs every 13 months) and ratings volume (41 vs 1). Mental Abacus Book 2's advantage is in-app purchases (none vs 10) and rating (5.0 vs 4.7). On ads and device support there is nothing between them.

Abacus Simulator is free to download; Mental Abacus Book 2 costs $8.99 up front. Abacus Simulator sells 10 one-off in-app purchases. Mental Abacus Book 2 asks for nothing beyond the download.

Mental Abacus Book 2 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Abacus Simulator has 41 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 Simulator every 3 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mental Abacus Book 2 | Abacus Simulator |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mental-abacus-book-2/id590626674/reviews)** | [4.7 (41 ratings)](https://appshunter.io/ios/app/abacus-simulator/id1558355099/reviews) |
| Number of ratings | 1 | **41** |
| Positive reviews | — | 72.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 16 MB | 41 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [Nicholas Ang](https://appshunter.io/developer/1558355101) |

## 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 Simulator

[App page](https://appshunter.io/ios/app/abacus-simulator/id1558355099)

Enhance your mental math abilities with interactive abacus exercises. This app offers guided lessons and daily drills to improve calculation speed, focus, and accuracy. Customize your abacus for a fun and engaging learning experience.

**Highlights:** Interactive abacus exercises, Guided step-by-step lessons, Daily skill-sharpening exercises, Focus, speed, and accuracy improvement, Customizable abacus

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Beads | $1.99 | one-time |
| Coconut Beads | $1.99 | one-time |
| Lemon Beads | $1.99 | one-time |
| Mushroom Beads | $1.99 | one-time |
| Penguin Beads | $1.99 | one-time |
| Flower Beads | $1.99 | one-time |
| Orange Beads | $1.99 | one-time |
| Snail Beads | $1.99 | one-time |
| Snowman Beads | $1.99 | one-time |
| Watermelon Beads | $1.99 | 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 Simulator free?

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

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

Mental Abacus Book 2 is rated higher. Mental Abacus Book 2 averages 5.0 out of 5 from 1 ratings, while Abacus Simulator averages 4.7 from 41 ratings.

### Do Mental Abacus Book 2 or Abacus Simulator have ads?

Neither Mental Abacus Book 2 nor Abacus Simulator shows ads.

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

Mental Abacus Book 2 ships an update every 13 months, and Abacus Simulator every 3 weeks. Most recently, Mental Abacus Book 2 was updated on October 8, 2026 and Abacus Simulator 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.*