Paul- is the carbs and cals android app no good? I haven’t got it yet but my consultant (who is usually above such things) was raving about it last week
(https://play.google.com/store/apps/details?id=com.chello.carbsandcals&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5jaGVsbG8uY2FyYnNhbmRjYWxzIl0.)