Yes, both Tower and Price2Spy offer a Free Trial.
Tower is designed for Large Enterprises, Small Business, Medium Business and Individuals.
Price2Spy is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Price2Spy begins at $19.95/Month, while pricing details for Tower are unavailable.
Some top alternatives to Tower includes and undefined.
Some top alternatives to Price2Spy includes Vidooly, Pricer24, Seller Snap, Competitor Monitor, Priceva, PriceShape, Prisync, PricingBot and PriceComparator.pro.