Currently in closed beta · Limited spots available

Klose Every Call.

AI-powered outbound training that turns your team into elite closers. Practice against real-world prospect personas. From CEOs to blue-collar workers, and get graded after every call.

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847 sales leaders already waiting
4.2×
Close rate increase
20+
Prospect personas
98%
Rep satisfaction
Bespoke
Improvement list
AI Cold Calling Real-time coaching Performance grading CEO personas Objection training Copywriting tools Team leaderboards AI Cold Calling Real-time coaching Performance grading CEO personas Objection handling Copywriting tools Team leaderboards

Train like a pro athlete. Close like one.

Klosr puts you on live AI-simulated calls with the hardest prospects you'll ever face, so when you get to the real thing, you're already three steps ahead.

01

Pick your prospect

Choose from 20+ AI personas, cold CFOs, skeptical VPs, stretched-thin SMB owners, skeptical tradespeople. All modeled on real behavioral archetypes.

02

Make the call

Hop on a real-time AI phone call. The prospect pushes back, goes cold, or throws curveballs — just like real outbound. Klosr also surfaces live copywriting suggestions mid-call.

03

Get graded

Receive an instant A*–F grade with a breakdown of tone, structure, objection handling, rapport, and close technique. Every session is a reps session.

04

Track mastery

Watch your skills compound over time. Compete on leaderboards. Unlock harder personas as your grade improves. Ship better numbers every quarter.

LIVE CALL
02:34
MC
Marcus Chen
CFO · Series C Startup
AI Suggestion
Try: "I understand budget is tight, what if I showed you the ROI in 30 days?"
B+
Tone
Close
Rapport

Everything you need to dominate the phone.

🤖

AI Prospect Personas

Practice against 20+ rigorously modeled prospect types, each with unique objections, communication styles, and decision-making patterns. Corporate executives to tradespeople.

→ 20+ Personas
📊

Performance Grading

Get scored across 8 dimensions: tone, pacing, objection handling, rapport, value framing, close technique, listening, and follow-up. A/B compare sessions over time.

→ 8-Dimension Analysis
✍️

Live Copywriting

Mid-call AI suggestions surface the right language at the right moment. Post-call script refinement turns your best moments into repeatable frameworks.

→ Real-time AI
🎯

Objection Library

Every objection you face gets logged and analyzed. Build a personalised playbook of proven rebuttals that actually work for your product and your style.

→ Auto-catalogued
🏆

Team Leaderboards

Rank your whole team by performance tier. Identify coaching gaps fast. Set weekly challenges and track progression across the entire sales org.

→ Team-wide visibility
📈

Skill Progression

Unlock harder personas as your skills improve. Track your trajectory from Rookie to Elite closer with milestone badges and a persistent skill graph.

→ Gamified mastery

Know exactly where you win and lose.

No more vague manager feedback. Klosr breaks every call down to the millisecond, surfaces the moments that made or broke the deal, and gives you a clear action plan to level up.

Granular call transcription with sentiment analysis
Week-on-week performance trending
Compare against top performers in your sector
Manager-ready PDF reports per rep
Post-Call Report
CFO Cold Call · 4m 12s
A−
Tone & Energy 91%
Objection Handling 78%
Close Technique 83%
Active Listening 95%

Train against the hardest rooms in the world.

🏢
Corporate Exec
Time-starved, data-driven, and allergic to time wasting. You have 45 seconds to earn 30 minutes.
👔
CEO / Founder
Visionary but deeply skeptical. They've heard every pitch. Show ROI or lose the room instantly.
🔧
Blue Collar Worker
Values trust over tech. Speak plainly, be direct, and never oversell. Authenticity is everything.
📊
CFO / Finance Lead
Lives in spreadsheets. Every claim needs a number behind it. ROI or nothing.
🧪
Tech VP
Integrations, security, scalability. They have 12 technical objections before you e en start.
🏪
SMB Owner
Wearing five hats, tight on budget, zero patience for a long sales cycle. Make it easy or lose it.
⚖️
Legal / Compliance
Risk-averse, process-heavy, and slow to decide. Navigate liability without losing the deal.
🌐
International Buyer
Cross-cultural communication, different decision hierarchies, and nuanced trust-building dynamics.

Loved by teams. Backed by data.

Our BDR team went from a 6% connect-to-meeting rate to 22% in eight weeks of Klosr training. The grading system alone replaced half of what I was paying a sales coach.

SL
Sarah Liu
Head of Sales · Fintech Scale-up, NYC

I've evaluated 15 sales training tools in my portfolio. Klosr is the only one that actually changes behaviour rather than just reporting on it. The AI personas are frighteningly realistic.

JR
James Reeves
Partner · Tier 1 VC Fund, London

We rolled Klosr out to 40 reps across three regions. The leaderboard alone drove a 31% increase in daily call volume, pure competitive instinct. The numbers don't lie.

MO
Miguel Ortega
VP Revenue · SaaS Company, Austin

Ready to Klose?

Join the waitlist. Be first in line when we open the doors. No spam, just early access, exclusive founder pricing, and a direct line to the team.

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