PERMANENTLY DELETED VIDEO - I HAVE NO BACK UP - CAN I RECOVER?

Hello, I think this is impossible, but help! My son is abroad and has deleted a video from his deleted folder by accident and needs to recover it urgently. The video was made yesterday/today,he has not backed up during this time. Is there any chance of recovery? I've seen all sorts of apps online claiming o be able to do it but I wanted to ask on here for some advice! Thank you so much!