# Real Soroban vs Kani Math

The clearest difference is in-app purchases: Real Soroban at none against Kani Math's 2. Kani Math's advantage is update cadence (every 4 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

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

Real Soroban ships an update fortnightly, Kani Math every 4 days. The most recent releases landed on October 29, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Real Soroban | Kani Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 0 MB | 16 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [satoshi amasaki](https://appshunter.io/developer/1891268722) | [TaheelWeb](https://appshunter.io/developer/1820898256) |

## What reviewers say

### Real Soroban

[App page](https://appshunter.io/ios/app/real-soroban/id6761827077)

**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 Real Soroban free?

Real 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 Real Soroban or Kani Math have ads?

Neither Real Soroban nor Kani Math shows ads.

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

Real Soroban ships an update fortnightly, and Kani Math every 4 days. Most recently, Real Soroban was updated on October 29, 2026 and Kani Math on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*