Neither MantisBT nor ImmuniWeb offers a free trial.
MantisBT is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
ImmuniWeb is designed for Large Enterprises, Medium Business and Small Business.
The starting price of ImmuniWeb begins at $4,995One-Time Payment, while pricing details for MantisBT are unavailable.
Some top alternatives to MantisBT includes Jira, The Bug Squasher, Zoho BugTracker, ReportBugz, BugHerd, BugHost, Bug-Track.com, Disbug, Redmine X and Bugasura.
Some top alternatives to ImmuniWeb includes DevMonitor.io, Fyipe, Qualys VM, Acunetix, CyberAlpha, Qualetics, Robot.alp, Uptimia, Acure.io and Qualys Cloud Platform.