Costlocker is a web-based application for tracking time and financial performance of projects, clients and employees.

We provide detailed insights into the financial status of your business, helping you find answers to important business questions, such as:

  • which of your clients is the most profitable

  • which of your employees earned their salaries and which didn’t

  • how much you pay for non-billable time spent on client care

  • what types of projects generate the largest revenue or profit

  • how much you’re going to invoice in the following months (cash flow outlook)

  • whether the costs of tenders you lost are covered by the ones you won

Our typical customer is a digital agency with a team of roughly 20 people. However, Costlocker is also widely used by lawyers, architects and generally any businesses that sell their time and want to know how much their work pays off.

Watch a 7-minute introduction into how Costlocker works

How much for Costlocker?

Costlocker can be used for free up to 4 people or 25 projects. If these limits are exceeded after 30 days from the day of registration, we will charge a monthly fee of $9 per user. Annual subscription is even more affordable, with a 15% discount.

API, integration and third-party app data import

If there’s a developer on your team, feel free to use our API, ready to be used for both reading and writing. Find it at

Costlocker API can be used in many different ways, e.g. to create custom reports or receive Slack messages about who has worked for how long in the past week. It’s also possible to continue tracking time in your favorite tracking app and import the timesheets to Costlocker.

What you can do with Costlocker API

  • Import data from Toggl

  • Import clients, projects and employees from third-party apps

  • Automatically create clients and projects in third-party apps

  • Automatically create Dropbox or Google Drive folders

  • Get Slack notifications about exceeded hour limits or people who haven’t tracked for the past 3 days

  • See who earned their salary and who didn’t

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