# Know Abacus vs الحساب الذهني Mental Math

The clearest difference is in-app purchases: الحساب الذهني Mental Math at none against Know Abacus's 1. الحساب الذهني Mental Math also leads on ads (none vs shown) and update cadence (every 9 days vs every 2 months). Know Abacus's advantage is ratings volume (67 vs 8). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Know Abacus sells 1 one-off in-app purchase. الحساب الذهني Mental Math asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Know Abacus against 4.6 for الحساب الذهني Mental Math. That said, the two scores are not equally well evidenced: Know Abacus has 67 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 96% of Know Abacus's written reviews are positive against 100% of الحساب الذهني Mental Math's.

Know Abacus ships an update every 2 months, الحساب الذهني Mental Math every 9 days. The most recent releases landed on July 6, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Know Abacus | الحساب الذهني Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (67 ratings)](https://appshunter.io/ios/app/know-abacus/id641867438/reviews)** | [4.6 (8 ratings)](https://appshunter.io/ios/app/mental-math/id6529524704/reviews) |
| Number of ratings | **67** | 8 |
| Positive reviews | 96.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 69 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) | [YAHYA HAMOUD](https://appshunter.io/developer/1756424550) |

## 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 |


### الحساب الذهني Mental Math

[App page](https://appshunter.io/ios/app/mental-math/id6529524704)

This app makes learning mental math fun with engaging challenges focused on speed and accuracy in addition and subtraction. It offers flexible options to adjust difficulty, number ranges, and timing to enhance counting and calculation skills.

**Highlights:** Fun mental math learning, Speed and accuracy challenges, Adjustable number ranges, Customizable timing and difficulty, Addition and subtraction operations, Point-based performance evaluation

**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 الحساب الذهني Mental Math free?

الحساب الذهني Mental Math is free to download, with no in-app purchases.

### Which has better reviews, Know Abacus or الحساب الذهني Mental Math?

Know Abacus is rated higher. Know Abacus averages 4.7 out of 5 from 67 ratings, while الحساب الذهني Mental Math averages 4.6 from 8 ratings.

### Do Know Abacus or الحساب الذهني Mental Math have ads?

Know Abacus shows ads; الحساب الذهني Mental Math does not.

### Which is updated more often, Know Abacus or الحساب الذهني Mental Math?

Know Abacus ships an update every 2 months, and الحساب الذهني Mental Math every 9 days. Most recently, Know Abacus was updated on July 6, 2026 and الحساب الذهني Mental Math on August 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.*