Apollo offers Free Trial, but Sales Stack does not.
The starting price of Apollo begins at $49/month, while pricing details for Sales Stack are unavailable.
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
Sales Stack offers several advantages, including Four applications in one, Memory feature, Continuity feature, Personality training, Secure and many more functionalities.
The cons of Sales Stack may include a No mobile app, Lack of third-party integrations, Memory feature might overlook nuances, Limited to English. and Requires frequent user activity