Cat Food for Diabetics - too many choices

Now that I know Ben does not have stones/crystals and the urine ph is normal, I am looking to switch his food. I finally got his litter boxes figured out. Even with good bladder health he was going by the front door. Finally I figured out he needed an XL box. Then I switched to Frisco micro crystal non clumping litter. That fixed any problems with his boxes. Now, even with a UTI, he only goes IN his boxes. The one with puppy pads, #1, without puppy pads, #2. Silly kitties.
I now have $ in my budget for higher quality food. I don't like the idea of meat by-products. I want to feed him a high quality low carb food. He has been eating Purina One and Pro-Plan for urinary health. Those two are $50 & $60 for 24 5.5 oz cans. For right now I got the 30 pack of Fancy Feast Beef and Chicken and all are under 5% carbs.
Food suggestions would help me shop for better food.
Thanks

 

Have a look at the Weruva range. Their website gives a lot of information

 

if you tap on this link and look at post #32 I listed some Weruva pates for another member that's low carb/ low phosphorus. Even if your cat doesn't have CkD these are better because they are low phosphorus
https://felinediabetes.com/FDMB/threads/new-member-11-8-and-i-am-tired.283363/#post-3124085

@A Fae

 

Thank you both, very helpful information.