# iomatrix vs bubbly

The clearest difference is in-app purchases: iomatrix at none against bubbly's 3. iomatrix also leads on update cadence (weekly vs every 2 weeks) and device support (5 vs 1). bubbly's advantage is iOS requirement (17.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. bubbly sells 3 in-app purchases, starting at $1.99 per month. iomatrix asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for iomatrix against 5.0 for bubbly. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

iomatrix ships an update weekly, bubbly every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | iomatrix | bubbly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/iomatrix/id6760413591/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/bubbly-your-brain-dumping-app/id6773897652/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | — |
| Size | 27 MB | 33 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joonhee Cho](https://appshunter.io/developer/1124471697) | [Jiyun Park](https://appshunter.io/developer/6773419223) |

## 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


### bubbly

[App page](https://appshunter.io/ios/app/bubbly-your-brain-dumping-app/id6773897652)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| bubbly.pro | $1.99 | per month |
| bubbly.pro | $16.99 | per year |
| bubbly.pro | $39.99 | one-time |


## Frequently asked questions

### Is iomatrix free?

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

### Is bubbly free?

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

### Which has better reviews, iomatrix or bubbly?

iomatrix and bubbly are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do iomatrix or bubbly have ads?

Neither iomatrix nor bubbly shows ads.

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

iomatrix ships an update weekly, and bubbly every 2 weeks. Most recently, iomatrix was updated on October 24, 2026 and bubbly on October 24, 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.*