# Kani Math vs Simple Soroban (Abacus)

The clearest difference is in-app purchases: Simple Soroban (Abacus) at none against Kani Math's 2. Kani Math's advantage is iOS requirement (16.0 vs 18.3). On price, ads and device support there is nothing between them.

Both are free to download. Kani Math sells 2 in-app purchases, starting at $5.99 per month. Simple Soroban (Abacus) asks for nothing beyond the download.

## The numbers

| Metric | Kani Math | Simple Soroban (Abacus) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/simple-soroban-abacus/id6787463185/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | — | Free |
| Size | 16 MB | 3 MB |
| Requires iOS | **16.0** | 18.3 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TaheelWeb](https://appshunter.io/developer/1820898256) | [Bruno Takahashi Carvalhas de Oliveira](https://appshunter.io/developer/1860732734) |

## What reviewers say

### Kani Math

[App page](https://appshunter.io/ios/app/kani-math-abacus-mental-math/id6770558250)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kani Math Premium — Monthly | $5.99 | per month |
| Kani Math Premium — Yearly | $49.99 | per year |


### Simple Soroban (Abacus)

[App page](https://appshunter.io/ios/app/simple-soroban-abacus/id6787463185)

Learn and practice Japanese abacus calculations with interactive tutorials and multiple modes. Customize your abacus experience and improve mental math skills with this completely free educational tool.

**Highlights:** Interactive tutorials for arithmetic, Freeform, Relax, Challenge, and Anzan modes, Configurable 7 or 9-column soroban, Multiple color themes, No ads or in-app purchases, Mental calculation training

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

**In-app purchases:** none


## Frequently asked questions

### Is Kani Math free?

Kani Math is free to download, with in-app purchases available.

### Is Simple Soroban (Abacus) free?

Simple Soroban (Abacus) is free to download, with no in-app purchases.

### Do Kani Math or Simple Soroban (Abacus) have ads?

Neither Kani Math nor Simple Soroban (Abacus) shows ads.

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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.*