Feedback on Figma for a workout tracker app

I work with my trainer who is virtual.
We workout 4 times a week.
He shares the workout with me on whatsapp and I have to complete the workout, I have to share with him

1. whether I was able to complete the reps
2. A video of the workout.

He then checks the video for the form and based on that gives me the next workout.

We do this over whatsapp and excel.
I was thinking of making an app for this.

Here is the figma for the app.
https://www.figma.com/file/R1oom4wkk0Lnb6xipcetdb/Fitness-App?node-id=0%3A1&t=anDhNVIp4dTVaAzt-1

I have made a prototype too that you guys can try out.

Let me know what you guys think.