Download medias from https://mitene.us/ or https://family-album.com/ to keep a local backup.
Install with pip install mitene_download.
From mitene app, invite a family member for the web version and copy the URL ( that should be something like https://mitene.us/f/abcd123456 )
Run the script with mitene_download https://mitene.us/f/abcd123456, using the URL from previous step.
This will download all photos and video in out folder. Some text files will be created with the comments.
If the album is password-protected, you can specify the password using --password command line argument, similar to this: mitene_download https://mitene.us/f/abcd123456 --password the_password.