The best alternatives to Lumoid are Grover, CameraLends, and uLouder. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Lumoid?
AssemblyAI— Speech-to-Text API with superhuman accuracy
uLouder is a local platform which connects end-users instantly and automatically, by a self-determined (max 3.1 miles) geographical radius to seek information, publish stories or make announcements.
MisterLocation is an online marketplace for photo/video studios and locations. It connects photographers, filmmakers and other creatives with studio and location owners.