Theneo offers Free Trial, but Docstring does not.
Theneo is designed for Large Enterprises, Medium Business and Small Business.
Docstring is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Theneo Starts at $20/User/Month whereas for Docstring Starts at $25/User/Month.
Some top alternatives to Theneo includes Postman, RepreZen API Studio, SwaggerHub, Stoplight, APITree, Apitive Studio, Bump, Meta API, Dapi and Docstring.
Some top alternatives to Docstring includes Documentator, Uphint, Qualified, Workvivo, ProDOC, Docular, Storydoc, CodeSee, Craft, SaaS Forge and Write.md.