The best alternatives to Date Calculator are Tyme 2, Buildwatch, and Lively. If these 3 options don't work for you, we've listed a few more alternatives below.
Tyme is a simple and effective time tracking tool for anyone who wants to keep an overview of the times they have worked.
Try a free 2-week trial of the full app. After the trial, you can choose between different purchase options.
Buildwatch is a menu bar app that lets you keep an eye on your compile times throughout the day. With a glance, you can see how much time you spent building in Xcode today and how many times you've built your apps.
Timelogger Plus is a time-keeping app to allows you to manage and monitor various tasks on your Apple devices securely and updated across all devices using iCloud. It is ideal for freelancing, tasks, personal projects, or any activity to track and control.