Neither Slim nor Custify offers a free trial.
Slim is designed for Large Enterprises, Medium Business and Small Business.
Custify is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Slim Starts at $1,000/Year whereas for Custify Starts at $999.
Some top alternatives to Slim includes Salt CRM, Salesfit, Custify, Salesmachine, Liveform, Easy Insight, Incursu, Qualified, Workvivo, SimplyTrends and Reveall.
Some top alternatives to Custify includes Parlor, ClientSuccess, ProsperStack, Salesmachine, Catalyst, Vitally, Freshdesk Customer Success, Churn360 and Freshdesk Customer Success (Formely Freshsuccess).