# Mental Abacus Book 2 vs Arduino Programming Pro

The clearest difference is update cadence: Arduino Programming Pro at every 6 weeks against Mental Abacus Book 2's every 13 months. Arduino Programming Pro also leads on price ($4.99 vs $8.99) and ratings volume (5 vs 1). Mental Abacus Book 2's advantage is rating (5.0 vs 4.6) and iOS requirement (8.0 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Mental Abacus Book 2 costs $8.99 and Arduino Programming Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mental Abacus Book 2 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Arduino Programming Pro has 5 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, Arduino Programming Pro every 6 weeks. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Mental Abacus Book 2 | Arduino Programming Pro |
| --- | --- | --- |
| Price | $8.99 | **$4.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mental-abacus-book-2/id590626674/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/arduino-programming-pro/id6447102673/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 16 MB | 45 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## 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


### Arduino Programming Pro

[App page](https://appshunter.io/ios/app/arduino-programming-pro/id6447102673)

Master Arduino programming with over 200 practical lessons, circuit diagrams, and code examples. This app guides beginners and experienced users through electronics and project building in 14 languages. The Pro version offers advanced features for enhanced learning.

**Highlights:** 200+ practical lessons, Circuit diagrams and wiring guides, Ready-to-use code examples, Interactive quiz questions, Support for 14 languages, Full-text search (Pro version), Favorites for saving topics (Pro version)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mental Abacus Book 2 free?

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

### Is Arduino Programming Pro free?

Arduino Programming Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Mental Abacus Book 2 or Arduino Programming Pro?

Mental Abacus Book 2 is rated higher. Mental Abacus Book 2 averages 5.0 out of 5 from 1 ratings, while Arduino Programming Pro averages 4.6 from 5 ratings.

### Do Mental Abacus Book 2 or Arduino Programming Pro have ads?

Neither Mental Abacus Book 2 nor Arduino Programming Pro shows ads.

### Which is updated more often, Mental Abacus Book 2 or Arduino Programming Pro?

Mental Abacus Book 2 ships an update every 13 months, and Arduino Programming Pro every 6 weeks. Most recently, Mental Abacus Book 2 was updated on October 8, 2026 and Arduino Programming Pro on October 19, 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.*