# TaskTetra vs マトリクスToDo

The clearest difference is ads: マトリクスToDo at none against TaskTetra's shown. マトリクスToDo also leads on update cadence (every 3 months vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. TaskTetra sells 1 one-off in-app purchase and マトリクスToDo sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

TaskTetra ships an update every 8 months, マトリクスToDo every 3 months. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | TaskTetra | マトリクスToDo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | — | Freemium |
| Size | 15 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | +4 |
| Developer | [Koya Nambo](https://appshunter.io/developer/1633778504) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### TaskTetra

[App page](https://appshunter.io/ios/app/tasktetra-todo-management-app/id6460933735)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### マトリクスToDo

[App page](https://appshunter.io/ios/app/todo/id6630370592)

This app helps you manage your tasks by categorizing them using a time management matrix based on urgency and importance. It visually displays remaining tasks in each quadrant, allowing for efficient prioritization and completion of your to-do list for both personal and professional life.

**Highlights:** Time management matrix (urgency/importance), Categorize tasks into 4 quadrants, Visual display of remaining tasks, Add/delete tasks by quadrant, Efficient to-do list management

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示（初週無料） | $1.99 | per month |


## Frequently asked questions

### Is TaskTetra free?

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

### Is マトリクスToDo free?

マトリクスToDo is free to download, with in-app purchases available.

### Do TaskTetra or マトリクスToDo have ads?

TaskTetra shows ads; マトリクスToDo does not.

### Which is updated more often, TaskTetra or マトリクスToDo?

TaskTetra ships an update every 8 months, and マトリクスToDo every 3 months. Most recently, TaskTetra was updated on October 30, 2026 and マトリクスToDo on October 26, 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.*