# Know Abacus vs AR Maximus

The clearest difference is in-app purchases: AR Maximus at none against Know Abacus's 1. AR Maximus also leads on ads (none vs shown) and rating (5.0 vs 4.7). Know Abacus's advantage is ratings volume (67 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Know Abacus sells 1 one-off in-app purchase. AR Maximus asks for nothing beyond the download.

AR Maximus holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Know Abacus has 67 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Know Abacus | AR Maximus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (67 ratings)](https://appshunter.io/ios/app/know-abacus/id641867438/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ar-maximus/id6746736217/reviews)** |
| Number of ratings | **67** | 1 |
| Positive reviews | 96.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 116 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kittipong Mungnirun](https://appshunter.io/developer/488058533) | [University of Arkansas at Little Rock](https://appshunter.io/developer/552046180) |

## What reviewers say

### Know Abacus

[App page](https://appshunter.io/ios/app/know-abacus/id641867438)

This app teaches children how to use an abacus for various math operations. It covers counting, addition, subtraction, multiplication, and division, helping to develop their mathematical abilities and brain potential. It offers multiple learning modes and customization options.

**Highlights:** Abacus counting, Addition and subtraction (1 & 2 digits), Multiplication and division (1-2 digits), Mental math practice, Review and random lessons, Customizable abacus (color, touch), Multiple languages

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### AR Maximus

[App page](https://appshunter.io/ios/app/ar-maximus/id6746736217)

Experience augmented reality with a virtual mascot. Choose from various animations and poses to create fun photos and share your game day moments. This app showcases how AR can boost fan engagement at live events.

**Highlights:** Augmented reality mascot interactions, Choose from various animations and poses, Snap photos with the mascot, Share game day experiences, Enhance live event engagement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Know Abacus free?

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

### Is AR Maximus free?

AR Maximus is free to download, with no in-app purchases.

### Which has better reviews, Know Abacus or AR Maximus?

AR Maximus is rated higher. Know Abacus averages 4.7 out of 5 from 67 ratings, while AR Maximus averages 5.0 from 1 ratings.

### Do Know Abacus or AR Maximus have ads?

Know Abacus shows ads; AR Maximus does not.

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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.*