Software Alternatives, Accelerators & Startups

Taskheat by Eyen VS Trayzero.app

Compare Taskheat by Eyen VS Trayzero.app and see what are their differences

Taskheat by Eyen logo Taskheat by Eyen

The easiest way to burn through all tasks in your grid is to link them together with Taskheat. With Flowchart and List views, this task manager gives you a perfect visualization of to-dos.

Trayzero.app logo Trayzero.app

Trayzero is the honest GTD app โ€” the full Getting Things Done method, on every device, with your tasks never leaving it. Free, no account, no cloud.
  • Taskheat by Eyen Streamline your to-do list into a flowchart
    Streamline your to-do list into a flowchart //
    2024-03-18
  • Taskheat by Eyen Define the dependencies between your tasks
    Define the dependencies between your tasks //
    2024-03-18
  • Taskheat by Eyen Get things done in a proper context
    Get things done in a proper context //
    2024-03-18
  • Taskheat by Eyen Don't miss the crucial details
    Don't miss the crucial details //
    2024-03-18
  • Taskheat by Eyen Focus on the essential, and hide what's irrelevent
    Focus on the essential, and hide what's irrelevent //
    2024-03-18

Taskheat is a visual task manager that allows you to break down your responsibilities and link them to build a path to your goals. You'll end up with a flowchart that lets you focus on the steps under your control to get you where you want to go.

With a streamlined UI and sophisticated algorithms under the hood, Taskheat will get you through tangled webs of tasks, errands, and lists.

  • Trayzero.app Landing page
    Landing page //
    2026-06-09

Taskheat by Eyen

Website
eyen.fr
$ Details
paid Free Trial $14.99 / One-off
Platforms
Mac iPhone iPad
Release Date
2018 August

Trayzero.app

Pricing URL
-
$ Details
free
Platforms
-
Release Date
-

Taskheat by Eyen features and specs

  • Flowchart
    View your workload as a flowchart.
  • Task Dependencies
    Specify dependencies between tasks
  • Focus
    Focus on what is important, hide what's irrelevant.

Trayzero.app features and specs

No features have been listed yet.

Analysis of Trayzero.app

Overall verdict

  • Trayzero.app appears to be a niche productivity/menu-bar utility, but there is very limited public information, reviews, or verifiable track record available to confirm its quality, security practices, or ongoing support, so it should be evaluated cautiously through a personal trial before relying on it.

Why this product is good

  • Simple, focused concept that may declutter menu-bar or desktop tray icons
  • Lightweight tools like this often have minimal system resource usage
  • May offer a straightforward, no-frills user experience if it does what it claims
  • Low cost or free tier (if available) makes it low-risk to try

Recommended for

  • Users looking for a simple tray/menu-bar management tool
  • Mac or desktop users wanting to reduce icon clutter
  • Early adopters comfortable trying lesser-known indie apps
  • People who prioritize minimalism over feature-rich alternatives

Taskheat by Eyen videos

ใ€็”ปๆœŸ็š„ใ€‘ใ‚„ใ‚‹ใ“ใจใ‚’โ€œ่ฆ‹ใˆใ‚‹ๅŒ–โ€ใ™ใ‚‹ToDoใ‚ขใƒ—ใƒชใŒใ™ใ”ใ„๏ผ

More videos:

  • Demo - Taskheat for iPad
  • Demo - Taskheat AI Assistant
  • Review - Most Interesting Task Management App for iPad!
  • Tutorial - SCOM0967 - Taskheat - Preview

Trayzero.app videos

No Trayzero.app videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Taskheat by Eyen and Trayzero.app)
Project Management
100 100%
0% 0
Productivity
75 75%
25% 25
Task Management
77 77%
23% 23
GTD
62 62%
38% 38

Questions & Answers

As answered by people managing Taskheat by Eyen and Trayzero.app.

What makes your product unique?

Taskheat by Eyen's answer

Taskheat is an innovative task management app that leverages a flowchart to represent dependencies between tasks to figure out the best path to your goals.

Trayzero.app's answer:

Trayzero is the only GTD app that delivers the full Getting Things Done method on both Android and iOS โ€” completely free, with no account and no cloud sync.

Most GTD apps make you choose between fidelity and privacy. Trayzero gives you both:

  • Strict GTD fidelity โ€” all five steps (Capture, Clarify, Organize, Reflect, Engage) are built into the workflow, not bolted on
  • 100% on-device storage โ€” tasks live in SQLite on your device; nothing is sent to a server
  • No account, ever โ€” nothing to sign up for, no email required
  • Free with no ads โ€” the full workflow unlocks without payment
  • Open source โ€” you can verify every privacy claim in the code

The closest local-first GTD competitor charges $99. Trayzero is free.

Why should a person choose your product over its competitors?

Taskheat by Eyen's answer

Taskheat offers a unique way of managing tasks and their dependencies, making it possible to automatically maintain a comprehensible list of tasks that are actionable right here and right now.

Trayzero.app's answer:

Choose Trayzero if any of these matter to you:

vs. Todoist / TickTick โ€” Those are cloud-synced task lists with GTD sprinkled on. Trayzero follows the full GTD method strictly, and your data never leaves your device.

vs. Things 3 / OmniFocus โ€” Both are Apple-only and cost $50โ€“$100+. Trayzero runs on Android and iOS, and it's free.

vs. Everdo โ€” The closest comparison: local-first, strict GTD. But Everdo charges $99 for the mobile app. Trayzero is free and open source.

The short version: - You want real GTD, not a to-do list - You don't want your tasks in someone else's cloud - You don't want to pay for it - You use Android, iOS, or both

How would you describe the primary audience of your product?

Taskheat by Eyen's answer

Everyone who has a goal in their life and wants to build the shortest path to it.

Trayzero.app's answer:

Trayzero is built for knowledge workers and individuals who want to use GTD properly โ€” not a simplified version of it.

The primary audience:

  • GTD practitioners who have read David Allen's book and want an app that actually follows the method end-to-end
  • Privacy-conscious users who don't want their tasks and projects stored on a company's servers
  • Android users who have been left out of the best GTD apps (Things 3, OmniFocus are Apple-only)
  • Budget-conscious productivity seekers who want a serious system without a subscription or one-time fee
  • Developers and open-source advocates who want to inspect or contribute to the codebase

Trayzero works best for individuals managing their own work, projects, and commitments โ€” it is not an enterprise or team tool.

What's the story behind your product?

Taskheat by Eyen's answer

Taskheat story began in early 2016 when we faced the challenge of managing many to-dos. Most of them were directly related to each other. Also, some were considered actual only at specific locations. That marked the start of more than a two-year journey to design and develop an innovative solution to manage complex structures where tasks and other duties related to each other.

Trayzero.app's answer:

Trayzero started from a simple frustration: the best GTD apps were either locked to Apple devices, cost $80โ€“$100, or weren't really GTD โ€” they were generic task managers wearing a GTD label.

After searching for an app that faithfully implemented David Allen's full five-step method on Android, the answer kept coming back empty. So Trayzero was built to fill that gap.

The goal was straightforward: implement GTD properly, make it available on both Android and iOS, keep the data on the device, and charge nothing. No subscriptions, no accounts, no cloud servers holding your tasks.

Trayzero is an independent app โ€” not affiliated with the David Allen Company โ€” built by a solo developer who wanted a serious GTD system without the usual trade-offs. The source code is open, so anyone can verify the privacy claims or contribute.

Which are the primary technologies used for building your product?

Taskheat by Eyen's answer

Taskheat is a native Mac/iPhone/iPad app, leveraging the latest Apple technologies available on iOS, iPadOS, and macOS.

Trayzero.app's answer:

Trayzero is a native mobile app built for Android and iOS. Key technologies:

  • SQLite โ€” all task data is stored locally on-device using SQLite; no external database or server
  • Mobile โ€” distributed via Google Play (Android) and the App Store (iOS)
  • Open source โ€” the full codebase is publicly available, so the technology stack and data handling can be verified directly

There is no backend server, no cloud sync infrastructure, and no third-party analytics SDK โ€” by design. The simplicity of the stack is intentional: fewer moving parts means fewer ways for your data to leave your device.

Who are some of the biggest customers of your product?

Trayzero.app's answer:

Trayzero is a free personal productivity app with no user accounts โ€” so there are no named enterprise customers or B2B contracts.

The users are individuals: knowledge workers, students, developers, and GTD practitioners who want a private, local-first task system. Because no account is required and no data is collected, we don't have visibility into who uses the app beyond app store installs.

User comments

Share your experience with using Taskheat by Eyen and Trayzero.app. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Taskheat by Eyen seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Taskheat by Eyen mentions (1)

  • Dependencies in todos
    We develop app called Taskheat(https://eyen.fr/taskheat) that allows you to set the dependencies between tasks and form a flowchart of your to-dos. It's available on Mac, iPad and iOS. Source: over 3 years ago

Trayzero.app mentions (0)

We have not tracked any mentions of Trayzero.app yet. Tracking of Trayzero.app recommendations started around Jun 2026.

What are some alternatives?

When comparing Taskheat by Eyen and Trayzero.app, you can also consider the following products

Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

Things - Things is an easy to use task manager.

TickTick - TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.

Remember The Milk - Remember The Milk is a task and time management application for mobile devices.

Nirvana - Nirvana is a web-based GTD task manager.

Any.DO - The #1 task management app used by over 11 million people globally, Any.do is your free mobile and online task manager for Android, iPhone, Web and more.