Yes, CIAB is a curl-enhancing gellie, rather than a firm gel. However, it's very potent, and whenever I've tried it with CQ on top, my hair seems too producty. I prefer using it without gel on top. However, I haven't yet tried CIAB with FHG. That would be a worthwhile experiment. CIAB is very versatile - a lot of curlies use a small amount of it: (1) in high dews for frizz reduction, or (2) for added shine and definition.
For me personally, CCCC lite is more curl enhancing than CIAB. CCCC lite is a curl cream, and CIAB is a gelly. I've also tried them together (CCCC lite + CIAB), but it's too much for my hair; I prefer using a leave-in (like CJ beauticurls) under CIAB. CIAB is very moisturizing on its own.