# Amavit Abacus vs Kani Math

The clearest difference is in-app purchases: Amavit Abacus at none against Kani Math's 2. Kani Math's advantage is update cadence (every 4 days vs every 2 weeks). 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. Amavit Abacus asks for nothing beyond the download.

Amavit Abacus ships an update every 2 weeks, Kani Math every 4 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Amavit Abacus | Kani Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 48 MB | 16 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fedyay Volodymyr](https://appshunter.io/developer/1165107677) | [TaheelWeb](https://appshunter.io/developer/1820898256) |

## What reviewers say

### Amavit Abacus

[App page](https://appshunter.io/ios/app/amavit-abacus/id6759505511)

**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 Amavit Abacus free?

Amavit Abacus 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 Amavit Abacus or Kani Math have ads?

Neither Amavit Abacus nor Kani Math shows ads.

### Which is updated more often, Amavit Abacus or Kani Math?

Amavit Abacus ships an update every 2 weeks, and Kani Math every 4 days. Most recently, Amavit Abacus was updated on October 13, 2026 and Kani Math on October 24, 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.*