# Know Abacus vs Abacus Simulator

The clearest difference is ads: Abacus Simulator at none against Know Abacus's shown. Abacus Simulator also leads on update cadence (every 3 weeks vs every 2 months). Know Abacus's advantage is review sentiment (96% vs 72%) and iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Know Abacus sells 1 one-off in-app purchase and Abacus Simulator sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Know Abacus against 4.6 for Abacus Simulator. Both are backed by a comparable volume of ratings — 67 and 31 respectively. Written reviews are what separate them: 96% of Know Abacus's written reviews are positive against 72% of Abacus Simulator's.

Know Abacus ships an update every 2 months, Abacus Simulator every 3 weeks. The most recent releases landed on July 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Know Abacus | Abacus Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (67 ratings)](https://appshunter.io/ios/app/know-abacus/id641867438/reviews)** | [4.6 (31 ratings)](https://appshunter.io/ios/app/abacus-simulator/id1558355099/reviews) |
| Number of ratings | **67** | 31 |
| Positive reviews | **96.4% of reviews** | 72.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 28 MB | 41 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kittipong Mungnirun](https://appshunter.io/developer/488058533) | [Nicholas Ang](https://appshunter.io/developer/1558355101) |

## 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 |


### 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 Know Abacus free?

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

### Is Abacus Simulator free?

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

### Which has better reviews, Know Abacus or Abacus Simulator?

Know Abacus is rated higher. Know Abacus averages 4.7 out of 5 from 67 ratings, while Abacus Simulator averages 4.6 from 31 ratings.

### Do Know Abacus or Abacus Simulator have ads?

Know Abacus shows ads; Abacus Simulator does not.

### Which is updated more often, Know Abacus or Abacus Simulator?

Know Abacus ships an update every 2 months, and Abacus Simulator every 3 weeks. Most recently, Know Abacus was updated on July 6, 2026 and Abacus Simulator on September 21, 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.*