Neither SmartIP nor VisitorAPI offers a free trial.
SmartIP is designed for Large Enterprises, Medium Business and Small Business.
VisitorAPI is designed for Medium Business and Small Business.
Pricing for SmartIP Starts at $250/Month whereas for VisitorAPI Starts at $5.
Some top alternatives to SmartIP includes ipstack, Snitcher, IP2Location.io, Instasafe Secure Access, Qualified, FindmeIP, Workvivo, VisitorAPI, Observa, IPinfo.io, Monapi and Host.io.
Some top alternatives to VisitorAPI includes Whoisvisiting, Leady, User Insights, Autonix, Visual Visitor Sales Intelligence, Websitez, Qualified, FindmeIP, Workvivo, Revenue Detective, Veezoo and IFTTT.