Neither Certainly nor Sales Stack offers a free trial.
The starting price of Certainly begins at $2165/month, while pricing details for Sales Stack are unavailable.
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
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
