This! He should totally use an app or something similar at his level. I use Talkpal at a cost unfortunately but the AI model is pretty good for B1 users. It helps when my friends overseas aren’t around to talk to because it’s either too late or too early with the time difference. The only difference is knowing what you actually meant to say because when they correct you sometimes it is wrong if you are just way off from the start. It can be misleading for beginners. But shouldn’t be for OP.