The best alternatives to DUBL are Studio Neat, Camarada, and VidLab. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of DUBL?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Hold the screen to record and quickly make an OK Video montage. Hold it again (and again) to add more quality content to your video.
Then, send it off to your favorite app, directly to your camera roll, or post it to one of those story apps.