Hubstaff vs Time Cop: What are the differences?

Hubstaff: Spend less time tracking and more time growing. It is a simple application that your virtual workforce installs on their machines to track time, activity levels, and take screenshots. Workers can select a project, and it will then track time and activity to that specific project, which becomes viewable in the web application; Time Cop: A simple, private, open-source time tracking app. It is a time tracking app that respects your privacy and gets the job done without getting too fancy.

Hubstaff and Time Cop can be primarily classified as "Time Tracking" tools.

Some of the features offered by Hubstaff are:

• Time tracking
• GPS tracking
• Online timesheets

On the other hand, Time Cop provides the following key features:

• Offline-only, mobile-only (iOS / Android)
• Fully private—there is no tracking / spying / advertising / etc
• Keep track of tasks with multiple parallel timers that can be started with the tap of a button

Time Cop is an open source tool with 449 GitHub stars and 38 GitHub forks. Here's a link to Time Cop's open source repository on GitHub.