# Soroban vs Kani Math

The clearest difference is in-app purchases: Soroban at none against Kani Math's 2. Kani Math's advantage is update cadence (every 3 days vs every 2 weeks) and iOS requirement (16.0 vs 26.0). 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. Soroban asks for nothing beyond the download.

Soroban ships an update every 2 weeks, Kani Math every 3 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Soroban | Kani Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 17 MB | 16 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shweta Kumari](https://appshunter.io/developer/1894430929) | [TaheelWeb](https://appshunter.io/developer/1820898256) |

## What reviewers say

### Soroban

[App page](https://appshunter.io/ios/app/soroban-mental-math-abacus/id6762503522)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Soroban free?

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

### Is Kani Math free?

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

### Do Soroban or Kani Math have ads?

Neither Soroban nor Kani Math shows ads.

### Which is updated more often, Soroban or Kani Math?

Soroban ships an update every 2 weeks, and Kani Math every 3 days. Most recently, Soroban was updated on October 28, 2026 and Kani Math on October 28, 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.*