
Kolz Bulk is built for teams that need to call a lot of people, fast, and intelligently.
Instead of hiring callers or running shallow email/SMS campaigns, Kolz Bulk lets you upload a spreadsheet of contacts and launch AI voice campaigns at scale. The AI agent follows predefined conversation flows, interacts naturally, and records outcomes in real time.
What Kolz Bulk delivers:
In short, Kolz Bulk turns dormant contact lists into actionable insights using real-time AI conversations.
Most automation tools stop at email or SMS. Those channels are cheap, but saturated.
Harder to ignore
Voice stands out
Feels personal
Human connection
Real-time
Live interaction
Captures intent
Not just clicks
Kolz products are built around this advantage, without forcing teams to manage call centers or complex infrastructure.
DETAILED COMPARISON
See how Kolz.Bulk compares to Bland AI across key features and pricing


Choose Kolz Bulk if your goal is results, not infrastructure.
Kolz Bulk is designed for teams that want to:
It's a complete tool, not a toolkit.
Other platforms make sense if:
They offer flexibility and control, but usually require more engineering effort and operational setup.
About Bland AI
Bland AI: Opt for Bland if you are a developer who needs a self-hosted, API-first infrastructure to build custom, deeply integrated voice pathways.
Join thousands of businesses that have already made the switch to a simpler, more powerful outbound calling platform.