Apollo offers Free Trial, but Certainly does not.
Pricing for Apollo Starts at $49/month whereas for Certainly Starts at $2165/month.
Apollo offers several advantages, including Access to 265 million contacts, 70 million companies database, Advanced search capabilities, Engagement tools, Market trend insights and many more functionalities.
The cons of Apollo may include a Limited advanced search capabilities, Complex integration processes, Heavy reliance on cookies, No offline functionality. and No multi-language support
Certainly offers several advantages, including Personalised customer support, Reduces wait times, Helps with purchase process, Helps with checkout process, Manages post-sales support and many more functionalities.
The cons of Certainly may include a Not open source, Limited language support, Limited compatibility, No stated confidentiality measures. and No specific privacy data handling