While fantasy sports gambling is legal in the state (with limitations though), there is plenty of movement forward on the issue. DFS sites have operated off and on in Iowa for some time but has not been able to find a foothold as of yet. However, FanDuel holds DFS contests in Iowa after passing the state's standards for controls.
Legal Daily Fantasy Sites For Iowa
There are several legal DFS sites in Iowa. You can play Draftlings and Fanduel.
With the passing of legislation in late 2019, the use of daily fantasy sports is legal in the state. The most compelling options are DraftKings and FanDuel for your daily fantasy sports needs.