# To Do Matrix vs 要事四象限

The clearest difference is update cadence: To Do Matrix at every 3 weeks against 要事四象限's every 33 months. To Do Matrix also leads on device support and iOS requirement (11.0 vs 15.6). 要事四象限's advantage is price ($0.99 vs $1.99). On in-app purchases there is nothing between them.

To Do Matrix costs $1.99 and 要事四象限 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

To Do Matrix ships an update every 3 weeks, 要事四象限 every 33 months. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | To Do Matrix | 要事四象限 |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 3 weeks** | Every 33 months |
| Monetization | Paid | — |
| Size | 4 MB | 17 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [辉英 钟](https://appshunter.io/developer/966879303) | [超 孟](https://appshunter.io/developer/666754845) |

## What reviewers say

### To Do Matrix

[App page](https://appshunter.io/ios/app/to-do-matrix-priority-tasks/id1128110353)

This app helps you prioritize tasks using the Eisenhower Matrix, categorizing them by urgency and importance. Organize your to-dos with projects, tags, and subtasks, and track your progress with intuitive charts. Share data across devices and export your tasks.

**Highlights:** Eisenhower Matrix task categorization, Project group management, Tag-based task organization, Subtask creation, Data export to CSV, iCloud data sharing, Password protection

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

**In-app purchases:** none


### 要事四象限

[App page](https://appshunter.io/ios/app/id6448916763)

**In-app purchases:** none


## Frequently asked questions

### Is To Do Matrix free?

To Do Matrix costs $1.99, with no in-app purchases.

### Is 要事四象限 free?

要事四象限 costs $0.99, with no in-app purchases.

### Which is updated more often, To Do Matrix or 要事四象限?

To Do Matrix ships an update every 3 weeks, and 要事四象限 every 33 months. Most recently, To Do Matrix was updated on September 29, 2026 and 要事四象限 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.*