Neither Silktide nor NinjaSEO by 500apps offers a free trial.
Silktide is designed for Large Enterprises, Medium Business and Small Business.
NinjaSEO by 500apps is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing details for both Silktide and NinjaSEO by 500apps are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Silktide includes SEO Sitecheckup, Siteimprove, User Insights, QuickSilk, NinjaSEO by 500apps, SEO-Checker.io, Qualified, Workvivo, SEOcrawl, SEO HERO and SiteLint.
Some top alternatives to NinjaSEO by 500apps includes Serpstat, Ahrefs, SE Ranking, SEO Explorer, Netpeak Spider, OnPage Champ, SoloSEO, SEO-Checker.io, SEO Audit Software and SEOcrawl.