Customer Interview Voice AI | Automated User Research | Bolka

Conduct customer interviews at scale with voice AI. Natural conversations, instant transcription, and actionable insights.

Visit bolka.ai for pricing, documentation, and to start your free trial.

    Customer Interviews at Scale

    Interview 500 Customers in the Time It Takes to Schedule 10 Calls

    Send voice interview links to hundreds of customers. They respond when convenient. Get rich, qualitative insights without booking a single Zoom call.

    OLD WAY

    Traditional Interviews

    10 interviews in 3 weeks
    60% scheduling conflicts
    $200+ per interview cost
    WITH BOLKA

    Voice Link Interviews

    500 interviews in 7 days
    87% completion rate
    $0.26 per interview cost
    ❌ TRADITIONAL METHOD
    March 2026
    S
    M
    T
    W
    T
    F
    S
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31

    Week 1: Send 50 invites

    Week 2: 30 scheduling conflicts

    Week 3: Finally schedule 10 calls

    Week 4: Conduct 10 interviews

    Week 5: Transcribe & analyze

    10 interviews
    35 days
    ✅ BOLKA METHOD
    talk.bolka.ai/product-feedback
    COPY

    Day 1: Send 500 voice links

    Day 2-7: Customers respond 24/7

    Day 7: 435 interviews completed

    Day 8: AI transcribes all

    Day 9: Insights dashboard ready

    87% completion rate

    435 interviews
    7 days
    THE INTERVIEW BOTTLENECK

    Why Traditional Customer Interviews Don't Scale

    You know customer feedback is critical. But traditional interview methods are so slow and expensive, you only talk to a handful of customers. Here's what's broken:

    Scheduling Hell

    Coordinating 50 interviews means 150+ emails. Calendly links. Time zones. Cancellations. No-shows. What should take a day takes 3 weeks.

    60%
    Scheduling conflict rate

    Prohibitive Cost

    At $200 per interview (recruiter fees, incentives, your time), interviewing 500 customers costs $100,000. So you settle for 10-20 interviews and miss the big picture.

    $100K
    Cost for 500 traditional interviews

    Tiny Sample Size

    With high costs and scheduling friction, you interview 10-20 people max. But 10 voices don't represent 10,000 customers. You miss entire segments and outlier insights.

    10-20
    Typical interview count

    The Traditional Interview Math

    10 customer interviews

    × 3 weeks scheduling

    × 1 hour per interview

    × $200 per interview (all costs)

    × 5 hours analyzing/transcribing

    = $2,000 + 60 hours for 10 interviews

    To interview 500 customers:

    = $100,000 + 3,000 hours

    = 75 work weeks (18 months!)

    = Impossible.

    This is why most companies interview < 20 customers
    THE SCALABLE SOLUTION

    Voice Link Interviews: Scale to 100s of Customers

    Send voice interview links to your entire customer base. They click, talk, share their thoughts—all on their own time. You get hundreds of rich, qualitative interviews without booking a single call.

    1

    Create Interview Guide

    Design your voice interview questions in Bolka. Ask about pain points, feature requests, use cases, anything.

    10 minutes
    2

    Generate Voice Link

    Bolka creates a unique link like talk.bolka.ai/product-feedback. Customers click and record their answers.

    30 seconds
    3

    Send to Customers

    Email the link to 500 customers. Or 5,000. They respond on their schedule, no back-and-forth needed.

    5 minutes
    4

    Get AI Insights

    Bolka transcribes all interviews, extracts themes, identifies sentiment. View insights dashboard instantly.

    Automatic
    Total setup: 15 minutes. Get 500 interviews in 7 days.
    MetricTraditional InterviewsBolka Voice Links
    Setup time3 weeks15 minutes
    # of interviews (realistic)10-20500+
    Completion rate40% (scheduling conflicts)87%
    Cost per interview$200$0.26
    Total time to 500 interviews18 months + $100K7 days + $29
    Scheduling requiredYes (endless back-and-forth)No (async)
    TranscriptionManual ($$$)AI auto-transcription
    AnalysisManual (weeks)AI insights (instant)
    🚀 Result: 50x more interviews, 1/770th the cost, 62x faster

    See What Real Customer Interviews Look Like

    These are actual excerpts from voice link interviews conducted by Bolka customers. Notice the depth and authenticity.

    SK
    2m 34s

    Sarah Kim

    Product Manager, TechCorp

    Question:What's the biggest frustration with our current product?

    "Honestly? The onboarding. I spent 45 minutes trying to figure out where to start. There's no clear path. My team kept asking me questions I couldn't answer because nothing was intuitive. We almost gave up and went with your competitor."

    Onboarding painCompetitor riskUrgent
    MR
    3m 12s

    Marcus Rodriguez

    Head of Sales, GrowthLabs

    Question:What feature would make you upgrade to our premium plan?

    "I need better analytics. Right now I can see what happened, but I can't see why. If you gave me insights into which campaigns actually drove revenue—not just clicks—I'd upgrade tomorrow. I'm talking attribution that makes sense, not vanity metrics."

    Feature requestUpgrade intentAnalytics
    LW
    1m 58s

    Lisa Wang

    Founder, FitnessCo

    Question:How are you currently solving this problem without us?

    "We built a Frankenstein solution with three different tools. It's expensive, breaks constantly, and my team hates it. The only reason we haven't switched is migration fear. If you could make migration painless, we'd switch immediately."

    Competitor displacementMigration blockerHot lead
    RESEARCH USE CASES

    6 Ways to Use Voice Interviews

    From product discovery to churn prevention, voice link interviews unlock insights across your entire customer journey.

    New Product Discovery

    Validate ideas before building. Interview 200 target customers about problems, willingness to pay, and feature priorities.

    Sample Questions:
    • "What's the biggest challenge you face with [problem]?"
    • "How are you currently solving this?"
    • "What would your ideal solution look like?"

    Churn Prevention

    When customers cancel, capture the 'why' with rich voice feedback. Understand patterns across 100s of churned users.

    Sample Questions:
    • "What made you decide to cancel today?"
    • "What could we have done differently?"
    • "What would bring you back?"

    User Persona Research

    Build accurate personas from 500+ interviews instead of 10. Understand real workflows, motivations, and pain points.

    Sample Questions:
    • "Walk me through your typical day using our product"
    • "What's your biggest win using our tool?"
    • "What almost made you quit?"

    Post-Purchase Feedback

    Capture the 'why' behind purchases. Voice interviews reveal motivations that NPS scores miss.

    Sample Questions:
    • "What made you choose us over alternatives?"
    • "What almost stopped you from buying?"
    • "How will you measure success?"

    B2B Win/Loss Analysis

    Understand why you won or lost deals. Get candid feedback from prospects that surveys can't capture.

    Sample Questions:
    • "What was the deciding factor in your decision?"
    • "What did our competitors do better/worse?"
    • "What would have changed your mind?"

    Feature Prioritization

    Let customers vote with their voice. Ask 500 users which features matter most and why.

    Sample Questions:
    • "Which feature would save you the most time?"
    • "What's missing that you need to do your job?"
    • "What would make you recommend us?"

    Ready to Interview 500 Customers This Week?

    Stop settling for 10 interviews. Get the qualitative insights you need at the scale your business demands.

    Book a Demo

    No credit card required • 50 free interviews • Setup in 15 minutes