Yes, both Strell and Labrika offer a Free Trial.
Strell is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Labrika is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Strell begins at $12.99/Month when Billed Yearly, while pricing details for Labrika are unavailable.
Some top alternatives to Strell includes Ahrefs, SE Ranking, SEO Scout, SoloSEO, NinjaSEO by 500apps, TheCompleteSEO, Robinize, SEOcrawl and RankIQ.
Some top alternatives to Labrika includes and undefined.