Massive database, upside potential
The interface is clean and simple. No fluff.
I find prospecting with LeadRocks works best when searching by job title and optionally including a country. Searching by industry-only didn't return any results that I would feel confident using (e.g., no company info and a number of mismatched industries, double-checked in Google).
It's too early for me to say how well enrichment works, as I've only tried a handful of LinkedIn urls - without much success.
The database is massive and the credit limits are generous. I'm rating this 4 out of 5 because of the low cost, upside potential and that fact that if I only prospect using job title and country and don't use the other search filters or the enrichment, even a single lead would be a great ROI.