What are some alternatives?
When comparing Sparta and esimdb, you can also consider the following products
Close - A CRM with built-in calling, SMS, and email
WhatsBlast - Send personalized mass WhatsApp messages
SalesWise - A gorgeous launchpad for sales people
Thank You Harry - Prepare and send an SMS to your EventBrite attendees 🙏
Hoopla - Your public library at your fingertips.
Texted.io - Send text blasts to groups, receive individual replies