I've been on Nnoom for 6 weeks now. The concept is brilliant...science driven bits of advice and premises every day to read and implement. There is a weight tracker and a good tracker, every day, you talk to a personal coach once a week, and you are in a group with another coach for specifics. Food is grouped by color, which makes it easy to know what to eat and what not to eat.
There are some areas of improvement though.
1. Coming from Europe, the food database is not great. Understandable that you need users to fill in the gaps, but for once I'd like to see a US-based app to cater to audiences outside of the US.
2. The personal goals coach is great. The group, not so much. The one I am in doesn't have much discussion at all. Also, I think the group is too big, where most of them are silent. Perhaps this is something that can be improved, especially for the monthly fee that I'm paying.
3. I'd like to be able to access the daily "lessons," recipes, and information in another way than thru the app. I've asked this question, but no one has an answer.
4. Adding foods in the database, there is a small glitch where I can't seem to get a decimal point in! Also, there are foods that I have been logging that have mysteriously disappeared.
In spite of these things, I still do like the app, it is very positive and motivational, but making it even more personal would be helpful I think.
Bottom Line: Yes, I would recommend this to a friend