# Hangeullo vs Math Note

The clearest difference is in-app purchases: Math Note at none against Hangeullo's 2. Math Note also leads on update cadence (every 4 days vs every 5 months). Hangeullo's advantage is iOS requirement (14.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Hangeullo sells 1 one-off in-app purchase. Math Note asks for nothing beyond the download.

Hangeullo ships an update every 5 months, Math Note every 4 days. The most recent releases landed on October 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Hangeullo | Math Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 263 MB | 5 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Saemyung Co., Ltd.](https://appshunter.io/developer/1407146086) | [Geekiest](https://appshunter.io/developer/1878354325) |

## What reviewers say

### Hangeullo

[App page](https://appshunter.io/ios/app/hangeullo/id6446613218)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UNLOCK | $10.00 | one-time |


### Math Note

[App page](https://appshunter.io/ios/app/math-note/id6759380307)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hangeullo free?

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

### Is Math Note free?

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

### Do Hangeullo or Math Note have ads?

Neither Hangeullo nor Math Note shows ads.

### Which is updated more often, Hangeullo or Math Note?

Hangeullo ships an update every 5 months, and Math Note every 4 days. Most recently, Hangeullo was updated on October 10, 2026 and Math Note on October 31, 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.*