# Todo vs 오픈한글

The clearest difference is update cadence: 오픈한글 at every 3 days against Todo's monthly. Todo's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Todo ships an update monthly, 오픈한글 every 3 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Todo | 오픈한글 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Size | 71 MB | 33 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SUNG YOL BAE](https://appshunter.io/developer/1876744490) | [Yonghun Cho](https://appshunter.io/developer/1827369182) |

## What reviewers say

### Todo

[App page](https://appshunter.io/ios/app/todo-calendar/id6762184428)

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

**In-app purchases:** none


### 오픈한글

[App page](https://appshunter.io/ios/app/hwp-plus-plus/id6795895589)

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

**In-app purchases:** none


## Frequently asked questions

### Is Todo free?

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

### Is 오픈한글 free?

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

### Do Todo or 오픈한글 have ads?

Both Todo and 오픈한글 show ads.

### Which is updated more often, Todo or 오픈한글?

Todo ships an update monthly, and 오픈한글 every 3 days. Most recently, Todo was updated on October 8, 2026 and 오픈한글 on October 7, 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.*