Neither School of SDR nor Sellesta offers a free trial.
School of SDR is designed for and undefined.
Sellesta is designed for Digital Marketing Agencies, E-commerce Professionals, Individuals and Uncommon Use Cases.
The starting price of Sellesta begins at $14/month, while pricing details for School of SDR are unavailable.
Sellesta offers several advantages, including Increased Sales Efficiency, Competitive Market Analysis, Conversion Rate Optimization, Content Quality Control and many more functionalities.
The cons of Sellesta may include a Limited Language Support.