Neither Signupster nor SoPlan offers a free trial.
Signupster is designed for Large Enterprises, Medium Business and Small Business.
SoPlan is designed for Individuals, Medium Business and Small Business.
The starting price of Signupster begins at $49, while pricing details for SoPlan are unavailable.
Some top alternatives to Signupster includes Eventzilla, Social Tables, SoPlan, eOrganiser, ToEvent, Ministry Scheduler Pro, Eventsair, Eventene, EventApe and Groupize.
Some top alternatives to SoPlan includes Event Always, Meeting Application, Social Tables, Emamo, ToEvent, Eventsair, EventApe, EvePlaner, Calendar and rsvpBOOK.
