# Kani Math vs Abacus Trainer

The clearest difference is ads: Kani Math at none against Abacus Trainer's shown. Kani Math also leads on update cadence (every 2 days vs every 10 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kani Math ships an update every 2 days, Abacus Trainer every 10 days. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Kani Math | Abacus Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 13 MB | 26 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [TaheelWeb](https://appshunter.io/developer/1820898256) | [Doni Winata](https://appshunter.io/developer/6794313295) |

## What reviewers say

### Kani Math

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

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

**In-app purchases:** none


### Abacus Trainer

[App page](https://appshunter.io/ios/app/abacus-trainer-mental-math/id6794313293)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kani Math free?

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

### Is Abacus Trainer free?

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

### Do Kani Math or Abacus Trainer have ads?

Abacus Trainer shows ads; Kani Math does not.

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

Kani Math ships an update every 2 days, and Abacus Trainer every 10 days. Most recently, Kani Math was updated on September 12, 2026 and Abacus Trainer on September 9, 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.*