The best alternatives to Inspr. are Studiowave, zenmix.io, and Relook. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Inspr.?
AssemblyAI— Multilingual Speech-to-Text API with superhuman accuracy
Studiowave is a vibe machine for offices, studios and those who need focus. It mixes great instrumental beats with inspirational speeches to make your brain juice go fuzzy.