What are some alternatives?
When comparing Approval Studio and Pivotal Tracker, you can also consider the following products
ReviewStudio - ReviewStudio is an online proofing software built for easy collaboration on review and approval workflows, for all your image, video, web pages and PDF based projects.
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
Workfront - Award winning project management software helps you manage projects in one place. A cloud-based work management tool for marketing and IT teams.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Ziflow - Helping creative marketing teams go from chaos to compliance with smart, simple enterprise online proofing.
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.