# 4Quadrants vs iomatrix

The clearest difference is device support: iomatrix at 5 against 4Quadrants's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

4Quadrants ships an update every 6 days, iomatrix every 4 days. The most recent releases landed on September 17, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | 4Quadrants | iomatrix |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | — | Free |
| Size | 6 MB | 14 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [颢宸 唐](https://appshunter.io/developer/1875716414) | [Joonhee Cho](https://appshunter.io/developer/1124471697) |

## What reviewers say

### 4Quadrants

[App page](https://appshunter.io/ios/app/4quadrants/id6758995394)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 4Quadrants free?

4Quadrants is free to download, with no in-app purchases.

### Is iomatrix free?

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

### Do 4Quadrants or iomatrix have ads?

Neither 4Quadrants nor iomatrix shows ads.

### Which is updated more often, 4Quadrants or iomatrix?

4Quadrants ships an update every 6 days, and iomatrix every 4 days. Most recently, 4Quadrants was updated on September 17, 2026 and iomatrix on August 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*