Day 1 is 18 push ups. I cant do 18 push ups as a BEGINNER. I can only do a few. So I rated it low since I found it to be misleading and I cant use it until I can get to 18 push ups on my own. The title says 0-100, so they should have started lower than 18.
LeighTaylor about PushUps for Beginners - 0 to 100+ Pushups Training, v1.3