Three Todo vs Matrix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Three Todo
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.
- 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
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THREE: Made for procrastinators by procrastinators. The Refreshingly Simple Stress Free Todo List. THREE is designed to be a minimal task assistant that is non intrusive. Traditional todo lists add stress and complexity by making YOU track, categorize, and prioritize tasks. They're digital task masters that nag and confuse you until you give up in frustration. They punish you with incessant notifications when you're overdue on a task (which you would probably ignore anyways). THREE changes the way you manage tasks. Tasks go in. THREE will present you with three and only three tasks at any given time. As you deal with them, we'll keep track and tell you how you're doing. There are only three ways to action a task - Done, Defer, or Drop. When you are done with a task, it falls off your list. If you make a mistake - don't sweat it. Next time the task you entered erroneously appears in the list , just Drop it - we won't hold it against you. If you're looking at a task that you just don't want to deal with, Defer it. This tells us that a particular task is unpleasant and it gets prioritized lower. THREE isn't designed to keep you on top of every facet of your life. No meaningless trophies or achievements. Rather, THREE will slowly but surely change the course of your life and help point you in the right direction by keeping track of the stuff that matters to you and presenting them to you in a manageable fashion. THREE: Made for procrastinators by procrastinators.
Matrix
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.
- Easy-to-use interface
- Reminder notifications
- Home screen quick actions
- Today view widget
- Intuitive design
- Task completion history
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-- App Store Exclusive -- Matrix is a simple and easy task manager that you will actually use. Quit getting overwhelmed with all the bells and whistles that other to-do list applications offer. See what needs to be done and when it's due, all in a single glimpse. Create tasks to be as simple or as complex as you wish. With the optional notes and reminder sections you can be sure that all of your needs are met. Swipe left on any task to view its options, or swipe all the way to quickly complete it. We also keep all of your completed tasks so that you can quickly restore them as needed. Matrix was designed to keep you productive, without taking up too much of your time. Download today for free and experience how easy it is to be organized and stay on track. -- FEATURES -- • Easy to use • Reminder notifications • Home screen quick actions • Today view widget • Intuitive interface • Optimized for all iOS devices (iPhones) • Inspired by the Eisenhower Matrix Add 5 tasks for free, then purchase Pro for unlimited productivity! Only $0.99! -- Please note that this app requires iOS 8.2 or above --
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Three Todo | Matrix |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.9 (16 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 75.0% of reviews |
| Number of ratings | 16 — better | 2 |
| Update frequency | Every 12 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Requires iOS | 17.6 | 8.2 — better |
| Further details — not scored | ||
| Size | 9 MB | 18 MB |
| Age rating | 9+ | 4+ |
| Developer | Jeffrey Lai | Matt Butler |
Customer experience
Three Todo
Matrix
In-app purchases
Three Todo
No in-app purchases
Matrix
- Pro Version$0.99
