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Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux.

Toggl
Harvest
Time Doctor
Hubstaff
TimeCamp
RescueTime
ManicTime
Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.
Which is more popular?
Based on our record, Clockify seems to be a lot more popular than Cattr. While we know about 57 links to Clockify, we've tracked only 2 mentions of Cattr.
Website, pricing, platforms and company facts side by side.
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| Website | cattr.app | clockify.me |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Serbia · 2017 |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Clockify is highly recommended for freelancers, small to medium-sized businesses, and remote teams who need efficient time management without financial constraints. Project managers, consultants, and anyone involved in billing or client work would find it particularly beneficial.
Walkthroughs and reviews on video.
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Quick Features Overview
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How often each product is chosen within a category, 0–100% relative to the other.


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


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Looking for a different time tracker? These guides compare Teetrack head-to-head with popular tools like Toggl, Clockify, and Harvest — covering pricing, billing features, data export, and how migration works. Each...
For small businesses, the best tool depends on the level of visibility needed. Mera Work is a strong choice if the business needs complete work visibility. Clockify is useful for basic time tracking and timesheets....
As a comprehensive tool, Clockify does many things. It has multi-platform time tracking, timesheet and time off management, scheduling, and expense tracking features.
Recommendations tracked on public social media and blogs since March 2021.


Cattr is a self-hosted time tracker. Helpful if you find yourself on multiple devices, even if you are the only one using it. Source: over 3 years ago
Cattr, Youtrack, Activity watch - this is my search for an application to manage my projects and track the time spent on them. The closest thing to the ideal is the online service Trackabi. Youtrack is too fancy, more like Jira. Cattr... Source: over 5 years ago
Check out https://clockify.me/ It's my go-to for hourly "clock your hours" work. - Source: Hacker News / over 2 years ago
Clockify - Time tracker and timesheet app that lets you track work hours across projects. Unlimited users, free forever. - Source: dev.to / over 2 years ago
Clockify.me to timetrack my activities. Source: about 3 years ago
When comparing Cattr and Clockify, you can also consider the following products.

Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
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Track your computer usage and use collected data to accurately tag time.
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Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
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Time management software that shows you how you spend your time & provides tools to help you be more productive.
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Time Tracking and Time Management Software that is accurate and helps you to get a lot more done each day.
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