Intervals is described as 'Is workflow management software with fully integrated time tracking so that you can track where your time is going. Uniquely designed for the needs of small businesses. Fully customizable to match your work' and is a project management tool in the office & productivity category. There are more than 50 alternatives to Intervals for a variety of platforms, including Web-based, Windows, iPhone, Android and Mac apps. The best Intervals alternative is Quire, which is free. Other great apps like Intervals are Basecamp, Wrike, monday.com and Bitrix24.