
Microsoft Outlook
Mailbird
eM Client
Postbox
Apple Mail
Mailspring
Spark Mail
Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Magic Flow
FocusBear.io
Llama Life
Forest App
TickTick
Blitzit
Balance: Mindful time tracking
Centered helps you get into a Flow State faster and stay there longer so you can do your best work.

Which is more popular?
Based on our record, Centered seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | thunderbird.net | centered.app |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Thunderbird Review Holiday World Launched Wing Coaster
More videos
Centered Review: Improve Productivity with AI Coaching and Focus Music
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Thunderbird and Centered. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Mozilla Thunderbird is an open-source email client developed by the Mozilla community. For people who like having their email offline, a range of customization options, robust data protection and privacy features, and...
Thunderbird’s interface takes a hint from Mozilla Firefox and other popular browsers and lets you open multiple emails in separate tabs. There are a lot of options to customize the look and feel of your inbox, as well...
Thunderbird is an open-source, cross-platform email suite. It is one of the best Mac mail applications that provides easy to use wizard for setting account. This software helps you to personalize the email the way you...
We have no reviews of Centered yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking Thunderbird since Mar 2021.
- weak for bodydoubling method: I still need to use separate app for bodydoubling. i.e. cen****d.app. This bodydoubling app makes me to focus on task by sharing my current task with other users. This also has `always on top with... Source: over 3 years ago
Centered.app application helps me a lot to work and to stay focused. It seems - the best and only task management systems designed for people with ADHD. Source: about 4 years ago
The centered.app does look good and the most close to what I am looking for compared to the hundreds I have googled today, I am giving it a go, thank you! Source: about 4 years ago
When comparing Thunderbird and Centered, you can also consider the following products.

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Compare Microsoft Outlook to Thunderbird or Centered:

Generate high-converting landing page copy using GPT-3
Compare Magic Flow to Thunderbird or Centered:

Mailbird is the best email client for Windows 7, 8 and 10
Compare Mailbird to Thunderbird or Centered:

Build habit routines, take better breaks, and ban distractions.
Compare FocusBear.io to Thunderbird or Centered:

eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.
Compare eM Client to Thunderbird or Centered:

Say goodbye to never-ending lists, and hello to daily bliss
Compare Llama Life to Thunderbird or Centered: