Kolz.ai — Turning Conversations into Conversions
Kolz Bulk (Bulk AI Voice Calling)
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:
- •Automated calling to large contact lists
- •Scripted but natural conversations
- •Call outcomes and lead qualification
- •Conversation summaries and recordings
- •Clear engagement data for follow-up prioritization
In short, Kolz Bulk turns dormant contact lists into actionable insights using real-time AI conversations.
Why Voice Automation Beats Traditional Outreach
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
Kolz Bulk vs Other AI Voice Platforms
See how Kolz.Bulk compares to Vapi across key features and pricing
Why Choose Kolz Bulk?
Choose Kolz Bulk if your goal is results, not infrastructure.
Kolz Bulk is designed for teams that want to:
- Launch voice campaigns without building systems
- Reach hundreds or thousands of contacts quickly
- Get clear, usable outcomes instead of raw logs
- Avoid hiring or managing human callers
It's a complete tool, not a toolkit.
Why Choose Other Platforms?
Other platforms make sense if:
- •You are a developer building a custom voice stack from scratch
- •You only need voice synthesis, not conversations
- •You want low-level APIs instead of campaign-level insights
They offer flexibility and control, but usually require more engineering effort and operational setup.
About Vapi
Vapi AI: Use Vapi if your engineering team wants the flexibility to “Bring Your Own” providers (BYO-LLM/TTS/STT) and needs a purely API-native architecture.
Ready to switch to Kolz.Bulk?
Join thousands of businesses that have already made the switch to a simpler, more powerful outbound calling platform.