Ugh
This is exactly what I was looking for, but it does not work on my iPhone or iPad. I’ll keep checking in occasionally. Hope it gets fixed.
Great for colour work
If you are hopeless at colour matching then this is for you. Put your yarn, paint swatches, fabric grouped together and view through this. You can adjust things until you see exactly what colour combinations you want and balanced perfectly. Take a photo make it last. Simple but so helpful!!👍