Yes, both VWO Testing and Concurra offer a Free Trial.
VWO Testing is designed for Large Enterprises, Medium Business and Small Business.
Concurra is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of Concurra begins at $14/Month when Billed Yearly, while pricing details for VWO Testing are unavailable.
Some top alternatives to VWO Testing includes Optimizely, Apptimize, AB Tasty, Maxymizely, Google Optimize, Webtrends Optimize, Kameleoon, SplitWit, Bunchbox and Increab.
Some top alternatives to Concurra includes VWO Testing, Optimizely, AB Tasty, Maxymizely, Google Optimize, Webtrends Optimize, Dual Kind, ABTesting.ai, Nelio A/B Testing, UseItBetter and Increab.