Yes, both Sonar.Network and SEO Sitecheckup offer a Free Trial.
Sonar.Network is designed for Individuals, Medium Business and Small Business.
SEO Sitecheckup is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Sonar.Network begins at $5.99/Month, while pricing details for SEO Sitecheckup are unavailable.
Some top alternatives to Sonar.Network includes SEOCHARGER, SiteProfiler, SEO Sitecheckup, NinjaSEO by 500apps, SEO-Checker.io, SEO Audit Software, SEO Tester Online, Qualified, PageWatch, Workvivo and IFTTT.
Some top alternatives to SEO Sitecheckup includes and undefined.