Anyone else have trouble?

My mom got me a stethoscope to listen to my baby’s heartbeat when I’m not at appointments. I have not once been able to find it with the stethoscope or even with those apps that let you record the heartbeat. Every time I try, he won’t stop moving and it makes it impossible to find his heartbeat. I’m getting frustrated because I feel like a terrible mom since I can’t even find his heartbeat on my own. Has anyone else had this problem?