The best thing you can get your mom is to get a Dexcom System; it measures your blood sugar level every 5 minutes & goes by not your iPhone so you can see which foods impact her body the most. It really helped me with my diabetes. I’ve also found a food delivery service for diabetics and they deliver food on a weekly basis that help keep my blood sugars in line as well. I eat roughly 3 meals of 500 calories with two servings of fruits. These two things are the most useful for me. My food delivery service is Clean Eatz Kitchen. I’m not too good at cooking and all of there meals are microwaveable within less than 5 minutes. Good Luck on figuring out your mom’s journey with food!!