# Three Todo vs Matrix

The clearest difference is price: Matrix at Free against Three Todo's $0.99. Matrix also leads on update cadence (every 5 days vs every 12 months) and iOS requirement (8.2 vs 17.6). Three Todo's advantage is in-app purchases (none vs 1) and review sentiment (100% vs 75%). On rating, ads and device support there is nothing between them.

Matrix is free to download; Three Todo costs $0.99 up front. Matrix sells 1 one-off in-app purchase. Three Todo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Three Todo against 5.0 for Matrix. That said, the two scores are not equally well evidenced: Three Todo has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of Three Todo's written reviews are positive against 75% of Matrix's.

Three Todo ships an update every 12 months, Matrix every 5 days. Both last shipped on October 2, 2026.

## The numbers

| Metric | Three Todo | Matrix |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.9 (16 ratings)](https://appshunter.io/ios/app/three-todo/id882164264/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/matrix-simple-task-manager-and-planner/id1084613896/reviews)** |
| Number of ratings | **16** | 2 |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 9 MB | 18 MB |
| Requires iOS | 17.6 | **8.2** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Jeffrey Lai](https://appshunter.io/developer/1630879658) | [Matt Butler](https://appshunter.io/developer/842201159) |

## What reviewers say

### Three Todo

[App page](https://appshunter.io/ios/app/three-todo/id882164264)

This task management app focuses on simplicity by presenting only three tasks at a time. It offers three actions: Done, Defer, or Drop, to help users manage their to-do list without added stress or complexity.

**Highlights:** Focus on 3 tasks at a time, Stress-free task management, Action tasks: Done, Defer, or Drop, Minimalist and non-intrusive design, Prioritizes tasks based on user actions

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Matrix

[App page](https://appshunter.io/ios/app/matrix-simple-task-manager-and-planner/id1084613896)

This straightforward task manager helps you organize your to-do list without overwhelming complexity. See what needs to be done and when it's due at a glance, with options for notes and reminders. Swipe to complete tasks or access options, and easily restore completed items.

**Highlights:** Easy-to-use interface, Reminder notifications, Home screen quick actions, Today view widget, Intuitive design, Task completion history

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $0.99 | one-time |


## Frequently asked questions

### Is Three Todo free?

Three Todo costs $0.99, with no in-app purchases.

### Is Matrix free?

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

### Which has better reviews, Three Todo or Matrix?

Matrix is rated higher. Three Todo averages 4.9 out of 5 from 16 ratings, while Matrix averages 5.0 from 2 ratings.

### Do Three Todo or Matrix have ads?

Neither Three Todo nor Matrix shows ads.

### Which is updated more often, Three Todo or Matrix?

Three Todo ships an update every 12 months, and Matrix every 5 days. Most recently, Three Todo was updated on October 2, 2026 and Matrix on October 2, 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.*