# Eeto Calendar vs iomatrix

The clearest difference is update cadence: iomatrix at every 4 days against Eeto Calendar's every 3 months. iomatrix also leads on review sentiment (100% vs 83%) and device support (5 vs 2). Eeto Calendar's advantage is ratings volume (9 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.9 for Eeto Calendar against 5.0 for iomatrix. That said, the two scores are not equally well evidenced: Eeto Calendar has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 83% of Eeto Calendar's written reviews are positive against 100% of iomatrix's.

Eeto Calendar ships an update every 3 months, iomatrix every 4 days. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Eeto Calendar | iomatrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (9 ratings)](https://appshunter.io/ios/app/eeto-calendar/id1110846731/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iomatrix/id6760413591/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 2 MB | 27 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Fanaian](https://appshunter.io/developer/1110843610) | [Joonhee Cho](https://appshunter.io/developer/1124471697) |

## What reviewers say

### Eeto Calendar

[App page](https://appshunter.io/ios/app/eeto-calendar/id1110846731)

This app offers a unique linear timeline view for visualizing events and deadlines. It uses colored milestones to represent important short or long-term goals, making it easy to grasp time in perspective. Currently, users can create events and explore the interface, with future updates planned for sharing and customization.

**Highlights:** Linear timeline view, Colored milestones for events, Visualize deadlines, Create recurring events, Intuitive user interface

**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 Eeto Calendar free?

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

### Is iomatrix free?

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

### Which has better reviews, Eeto Calendar or iomatrix?

iomatrix is rated higher. Eeto Calendar averages 4.9 out of 5 from 9 ratings, while iomatrix averages 5.0 from 1 ratings.

### Do Eeto Calendar or iomatrix have ads?

Neither Eeto Calendar nor iomatrix shows ads.

### Which is updated more often, Eeto Calendar or iomatrix?

Eeto Calendar ships an update every 3 months, and iomatrix every 4 days. Most recently, Eeto Calendar was updated on October 9, 2026 and iomatrix on October 28, 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.*