Native iOS & Mac App · Built with Swift 6, Speech & StoreKit 2

ChatGPT is polite.Real interviewers
interrupt.

Polite chatbots nod along to your fluff. Real FAANG interviewers and VC partners cut you off in 12 seconds when you ramble. HardCall trains your voice composure under 52ms real-time interruptions, with rich question banks for interviews & keynote speeches.

✓ Hands-Free AirPods Mic Support✓ Structured LeetCode-Style Question Bank✓ Pitch & Presentation Filler Radar
STRUCTURED DRILL BANK

Choose your topic. Face the fire.

Supports Custom JD / Slide Notes Upload
FAANG Behavioral & Leadership

Production Outage & Team Disagreement

Sarah Chen · Staff EM @ Stripe

FAANG Behavioral & Leadership

Impossible Deadline & Scope Cut

Sarah Chen · Staff EM @ Stripe

LIVE VOICE SIMULATOR WITH AIRPODS / MIC

Face the interviewer with your real voice.

Current Topic: Production Outage & Team Disagreement
STANDBY · READY TO DIAL

Ready for "Production Outage & Team Disagreement"?

Interviewer: Sarah Chen · Staff EM @ Stripe. Speak clearly using your microphone. If you ramble or lack hard metrics, expect an aggressive 52ms interruption.

KEYNOTE, PITCH & DEFENSE STUDIO

Practice your high-stakes presentation.

Simulate aggressive investor interruptions during YC pitches, or eliminate 'like' / 'you know' filler habits before keynotes.

01

YC Demo Day Pitch Grill

Simulates impatient partners cutting off background slides to demand paying customer traction.

02

Architecture Review Defense

Practice defending technical trade-offs, p99 latency regressions, and cloud cost ROI to principal engineers.

03

Filler Word Autopsy Radar

Accurately detects 'um', 'like', and 'you know' in real-time, enforcing executive brevity.

HYBRID AUDIO RUNTIME

Local-First Privacy + Cloud Voice Gateway

Powered by voice-agent-rtp-gateway
CLIENT LAYER: APPLE ON-DEVICE ENGINE
  • • Swift 6 + SFSpeechRecognizer:音频在 Mac/iPhone 芯片本地毫秒级听写,无云端音频存储风险。
  • • AVSpeechSynthesizer:超拟真原生美式发音,零服务器开销与流量费。
  • • 零边际成本:个人开发者无需维护昂贵 GPU 集群,纯享被动睡后收入。
ENTERPRISE LAYER: RTP / WEBRTC GATEWAY
  • • SIP / RTP 电话拨号仿真:支持拨通真实手机与 PSTN 线路进行真人电话对练。
  • • 8kHz G.711 声学失真:模拟真实手机通话丢包与地铁背景杂音。
  • • ReAct 大模型考官大脑:支持灵活接入自定义大模型生成动态连环追问。
PRICING DESIGNED FOR SPRINT SUCCESS

One offer pays this back 2,500x over.

Available directly in the Apple App Store. Manage and cancel anytime via Apple ID.

Most Popular
INTERVIEW SPRINT PASS
$6.99 / week

Ideal for your 2-to-4 week active interview sprint. Unlimited mock grilling across all 4 categories.

  • Unlimited mock calls across all categories
  • Real-time mic speech input & filler analytics
  • Full post-call autopsy and $200K script rewrites
  • Cancel anytime in Apple ID Settings
LIFETIME OFFER PASS
$49.99 one-time

Pay once, own forever. Perfect for serial negotiators, executives & consultants.

  • Universal access on iPhone, iPad and Mac
  • Lifetime updates to all future persona & drill packs
  • Zero recurring subscriptions