The user interface of Nutracosters was very easy! I actually found it much more intuitive than similar products in other software packages (think Microsoft Excel).
When using complex analysis or calculations with multi-level variables this program can't handle them 100% correctly - but that's not always their fault so they're willing/able help solve problems like these if asked nicely enough :) Sometimes there are errors when exporting reports into Word format which cause formatting issues; sometimes also some minor UI glitches happen during export processes as well -- nothing major though :), great product overall however would be nice once again have an option between importing from CSV files vs direct data entry via website form fields etc., maybe make both options available? Also considering switching back over fully time tracking instead since we've been able use Google Sheets quite effectively now for our timesheeting process needs too ;) Great price point compared against MS Office alternatives & free version has all features needed except ability upload custom images.