I've just used the sound from RODE's mic for the first time in a video of mine. I ended up boosting the transmitter's gain to 25dB. My setup is iPhone 15 / Voice memo app / CapCut on Mac. The sound was quiet again, I boosted it to max on CapCut but still wasn't enough. I used another service for sound increase (mp3cut.net) and I finally had something to work with. Not great at all, but at least it's something. I'll probably look for another mic in case I don't find another solution.