What are some alternatives?
When comparing Approval Studio and Unfuddle, 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.
Cage - A simple way for designers and teams to share, manage and approve their creative work.
Ziflow - Helping creative marketing teams go from chaos to compliance with smart, simple enterprise online proofing.
GitPrime - GitPrime uses data from any Git based code repository to give management the software engineering metrics needed to move faster and optimize work patterns.