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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.

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Zephyr is a small real-time operating system for connected, resource-constrained devices supporting...

Which is more popular?
Based on our record, Clockify should be more popular than Zephyr. It has been mentioned 57 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | clockify.me | zephyrproject.org |
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| 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
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.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Quick Features Overview
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Zephyr - Rework Review & Build
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How often each product is chosen within a category, 0–100% relative to the other.


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


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.
We have no reviews of Zephyr yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


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: over 3 years ago
Combining the Zephyr RTOS stack, running on an affordable nRF52840 Dongle with the power of modern web technologies turned out quite well and it has also allowed us to experiment with multiple subgroups, supported by the specs, but not... - Source: dev.to / over 1 year ago
Also, it's really great to see that the RFcreations mini-moreph and blueSpy software was able to capture and render this slightly more advanced source and that it was possible to build using Zephyr RTOS and the nRF52840 Dongle. - Source: dev.to / over 1 year ago
The Zephyr RTOS contains some great Bluetooth LE Audio related samples. One of them is the Basic Audio Profile (BAP) Broadcast Source sample. - Source: dev.to / over 1 year ago
When comparing Clockify and Zephyr, 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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Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
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Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
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Integrated time tracking, productivity metrics, and payroll for your distributed team.
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PractiTest is a cloud based Innovative test management tool.
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