AI sales simulation
Early access

Every rep needs reps.

Closero puts you on the phone and on camera with AI personas who push back like real prospects — gatekeepers, skeptical CFOs, homeowners three pitches deep. Practice until the hard calls feel routine.

Join the early-access list See how it works
Full Sim — Discovery Call · Marcus Reed
LIVE
03:41
End call
Marcus Reed
VP of Sales · Apex Systems
Marcus is speaking
Coaching
Transcript
▸ Next move
Ask about current onboarding — don't pitch yet
He's still sizing you up. A discovery question keeps him talking and builds trust first.
This call
PACING
Letting silence land — not rushing to fill
DISCOVERY
Missed a budget signal — “looked at options”
SCORING
Full breakdown when the call ends — coaching keeps you present, the score waits.

Sandler, SPIN Selling, Challenger, Straight Line, and 7th Level are trademarks of their respective owners. Closero is an independent product and is not affiliated with, endorsed by, or certified by any of them — scenarios reference publicly documented selling concepts.

The problem

You don't get better at cold calls by taking fewer of them.

Most reps learn the expensive way — burning real leads, getting hung up on, or role-playing with a manager who's heard the pitch forty times. None of it is repeatable, and none of it happens on your schedule.

Real leads aren't practice reps. A blown call on a real prospect costs a deal, not a data point.
Manager roleplay doesn't scale. It happens when their calendar allows it, not when you need the reps.
Nobody scores the small stuff. The pause that killed your momentum, the tonality that gave away leverage — gone the moment the call ends.
How it works

Three steps. No fluff.

01
Pick your prospect
Cold call or video. B2B boardroom or B2C front door. Six-plus personas, none of them going easy on you.
02
Run the call
Real pushback, real objections, real awkward pauses. Coaching lands in the moment — not in a debrief an hour later.
03
See what actually happened
Score breakdown, key moments timestamped, methodology-tagged. Know exactly what to fix before the next rep.
Real frameworks, really practiced

The methodologies top reps actually use.

Not corporate buzzwords — the same closing methodologies taught across the industry, tagged to the scenarios that use them. Enterprise-complex frameworks for B2B, phone-and-door frameworks for B2C. Both sides get scenarios built for their world, not a generic script.

B2B Sandler Method
B2B SPIN Selling
B2B Challenger Sale
B2C Straight Line
B2C 7th Level
SV
Sandra — gatekeeper
MR
Marcus — IT Director
DN
Denise — homeowner
TC
The Coopers — at dinner
PR
Priya — guarded lead
Every call, scored

Every call becomes data on where you're actually losing deals.

Not a vague "good job." A real breakdown — by skill, by moment, tied to the same number that matters most: what closing better is actually worth.

Post-call score
72
Objection handling 38%
Discovery 54%
Rapport 71%
Earning potential
$64K /yr
Market median for reps at this skill tier. Push Objection Handling past 70% — those reps typically earn $85–95K in B2B SaaS, per published comp data.
$40K entry$150K top performer
Why this exists
O

"I've knocked doors, cold-called into gatekeepers, and closed high-ticket in a showroom. The one thing that actually moved my numbers wasn't another script — it was reps. Closero is the practice partner I wish I'd had."

— Osman, founder
Pricing

Start free. Upgrade when you're ready to go unlimited.

Free
$0 / month
5 sessions a month, B2C library, post-call scoring.
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$15.99 / month
Unlimited sessions, full B2B + B2C library, live coaching every call.
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