The best alternatives to NOCD are Hypnopedia, Trill Project, and Joy. If these 3 options don't work for you, we've listed a few more alternatives below.
Hypnopedia is an iOS App that plays affirmations while you sleep to stimulate positive life changes. The moment for reading affirmations is selected depending on the individual physiology and general principles of memory functioning in a dream.
Happy is a mental health app from Goodnight Journal designed to be used in 2 minutes or under for people who do not have a full hour to fully focus on meditation. Got a minute? Try Happy to stay healthy mentally and be happy!