# iomatrix vs 카리투두

The clearest difference is in-app purchases: iomatrix at none against 카리투두's 3. iomatrix also leads on update cadence (every 4 days vs monthly) and device support (5 vs 3). 카리투두's advantage is iOS requirement (15.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. 카리투두 sells 3 one-off in-app purchases. iomatrix asks for nothing beyond the download.

iomatrix ships an update every 4 days, 카리투두 monthly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iomatrix | 카리투두 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iomatrix/id6760413591/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | Free | — |
| Size | 27 MB | 31 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joonhee Cho](https://appshunter.io/developer/1124471697) | [Hyoungho Cha](https://appshunter.io/developer/1709218683) |

## What reviewers say

### iomatrix

[App page](https://appshunter.io/ios/app/iomatrix/id6760413591)

Organize your life using the Eisenhower Matrix framework. Prioritize tasks by urgency and importance, manage them across custom workspaces, and visualize your productivity with a unique heatmap. Seamlessly syncs across Apple devices.

**Highlights:** Eisenhower Matrix prioritization, Customizable workspaces, GitHub-style activity heatmap, Cross-platform Apple device support, iCloud sync and offline access, Home and Lock Screen widgets

**Features:** Apple Watch app

**In-app purchases:** none


### 카리투두

[App page](https://appshunter.io/ios/app/id6795050435)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 연간 이용권 | $9.99 | one-time |
| 평생 이용권 이벤트 | $11.99 | one-time |
| 평생 이용권 | $29.99 | one-time |


## Frequently asked questions

### Is iomatrix free?

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

### Is 카리투두 free?

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

### Do iomatrix or 카리투두 have ads?

Neither iomatrix nor 카리투두 shows ads.

### Which is updated more often, iomatrix or 카리투두?

iomatrix ships an update every 4 days, and 카리투두 monthly. Most recently, iomatrix was updated on October 28, 2026 and 카리투두 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.*