Yes, both Popwork and Steer offer a Free Trial.
Popwork is designed for Medium Business and Small Business.
Steer is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Steer begins at $7/User/Month, while pricing details for Popwork are unavailable.
Some top alternatives to Popwork includes Lattice, 15Five, Synergita, Kallidus Perform, Steer, 10xPerformance, Teamflect, Performly, Appreiz, Leapsome, Teamsy and ReviewSnap.
Some top alternatives to Steer includes Synergita, Profit.co, Weekdone, OKRs.app, Ahundred, Workteam, SugarOKR, Datalligence OKR, Kazoo OKR, Peoplebox, JOP and SmartOKR.