I think pretty much all providers that provide aimbot or "aim assist" provide ESP and radars as well. you always run a higher risk of being detected and banned using those providers.
There is a product out there that provides a "strong aim assist" that relies on information retrieved from your GPU (

). These kind of products are a lot harder to detect by Activision. I would personally say it is almost impossible to detect. But this product only runs on multiplayer not warzone, and it will have a greater effect on your FPS as it is using your GPU to analyze the pixels and compute where to aim.