# MentalCalculation & Abacus Pro vs 신기한 동물퀴즈

The clearest difference is price: 신기한 동물퀴즈 at Free against MentalCalculation & Abacus Pro's $0.99. 신기한 동물퀴즈 also leads on ads (none vs shown). MentalCalculation & Abacus Pro's advantage is update cadence (monthly vs every 11 months). On in-app purchases, device support and iOS requirement there is nothing between them.

신기한 동물퀴즈 is free to download; MentalCalculation & Abacus Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MentalCalculation & Abacus Pro ships an update monthly, 신기한 동물퀴즈 every 11 months. The most recent releases landed on October 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MentalCalculation & Abacus Pro | 신기한 동물퀴즈 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 11 months |
| Monetization | Paid | — |
| Size | 144 MB | 117 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Park Jisang](https://appshunter.io/developer/995438886) | [seojin kim](https://appshunter.io/developer/1734429350) |

## What reviewers say

### MentalCalculation & Abacus Pro

[App page](https://appshunter.io/ios/app/mentalcalculation-and-abacus-pro/id6474296462)

Engage in a fun and challenging mental calculation and abacus game. Practice with diverse questions and learn the abacus with an easy tutorial. This pro version offers an enhanced experience without frequent forced ads.

**Highlights:** Mental calculation practice, Abacus learning tutorial, Variety of practice questions, Pro version benefits, No forced ads

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

**In-app purchases:** none


### 신기한 동물퀴즈

[App page](https://appshunter.io/ios/app/id6741044803)

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

**In-app purchases:** none


## Frequently asked questions

### Is MentalCalculation & Abacus Pro free?

MentalCalculation & Abacus Pro costs $0.99, with no in-app purchases.

### Is 신기한 동물퀴즈 free?

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

### Do MentalCalculation & Abacus Pro or 신기한 동물퀴즈 have ads?

MentalCalculation & Abacus Pro shows ads; 신기한 동물퀴즈 does not.

### Which is updated more often, MentalCalculation & Abacus Pro or 신기한 동물퀴즈?

MentalCalculation & Abacus Pro ships an update monthly, and 신기한 동물퀴즈 every 11 months. Most recently, MentalCalculation & Abacus Pro was updated on October 23, 2026 and 신기한 동물퀴즈 on October 8, 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.*