# Omusubi Kororin vs Mathmate3

The clearest difference is price: Mathmate3 at Free against Omusubi Kororin's $0.99. Mathmate3 also leads on update cadence (every 11 days vs monthly) and iOS requirement (13.0 vs 18.2). On ads, in-app purchases and device support there is nothing between them.

Mathmate3 is free to download; Omusubi Kororin costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Omusubi Kororin ships an update monthly, Mathmate3 every 11 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Omusubi Kororin | Mathmate3 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Size | 323 MB | 27 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Dick](https://appshunter.io/developer/821338172) | [Anh Do](https://appshunter.io/developer/1803243909) |

## What reviewers say

### Omusubi Kororin

[App page](https://appshunter.io/ios/app/omusubi-kororin/id6741501492)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathmate3

[App page](https://appshunter.io/ios/app/mathmate3/id6743507306)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Omusubi Kororin free?

Omusubi Kororin costs $0.99, with no in-app purchases.

### Is Mathmate3 free?

Mathmate3 is free to download, with no in-app purchases.

### Do Omusubi Kororin or Mathmate3 have ads?

Neither Omusubi Kororin nor Mathmate3 shows ads.

### Which is updated more often, Omusubi Kororin or Mathmate3?

Omusubi Kororin ships an update monthly, and Mathmate3 every 11 days. Most recently, Omusubi Kororin was updated on October 6, 2026 and Mathmate3 on October 10, 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.*