REC ●AI study & voice interview system

Study smarter.
Speak sharper.

From blank topic to confident voice. AI study plans, interactive audio lessons, and voice mock interviews — one apparatus.

Start learning freeSee the process
unit / d-03In progress

Current track

System Design — Day 03/14

CAP Theorem
Done
Consistent Hashing
Now
Load Balancing
Queued
Interview readiness64%
pwr / gemini aivox / elevenlabs
AI STUDY PLANS///ELEVENLABS VOICE AI///AUDIO LESSONS///GEMINI 2.5 FLASH///VOICE MOCK INTERVIEWS///SCORE REPORTS///DAY-BY-DAY CURRICULUM///ARTICLE REFINER///REAL-TIME FEEDBACK///SYSTEM DESIGN STUDIO///DRAW-TO-EVALUATE CANVAS///HLD / LLD SCORING///AI STUDY PLANS///ELEVENLABS VOICE AI///AUDIO LESSONS///GEMINI 2.5 FLASH///VOICE MOCK INTERVIEWS///SCORE REPORTS///DAY-BY-DAY CURRICULUM///ARTICLE REFINER///REAL-TIME FEEDBACK///SYSTEM DESIGN STUDIO///DRAW-TO-EVALUATE CANVAS///HLD / LLD SCORING///

Five systems.
One apparatus.

Fig. A — subsystem index
01[ sys / plan ]

AI Study Plans

Declare a topic and a timeline. Gemini 2.5 Flash assembles a hyper-structured day-by-day curriculum from first principles.

02[ sys / read ]

Deep Readings

Premium AI-generated technical articles per topic, permanently cached to your profile. Lazily generated, served instantly.

03[ sys / voice ]

Audio Lessons

ElevenLabs Conversational AI turns every article into a two-way spoken lesson. Interrupt, question, explore — live.

04[ sys / eval ]

Voice Interviews

Interviewer agent ALEX asks technical questions by voice, one at a time. Gemini scores every answer and issues a report.

05[ sys / design ]

System Design Studio

Tackle real product design challenges, easy to hard. Draw your architecture on an interactive canvas — Gemini scores your HLD and LLD, flags what's missing, and returns the ideal diagram.

Operating
procedure

01

AI builds your curriculum

Tell PrepStudio your topic and timeline. Gemini assembles a structured day-by-day plan — every morning your next module is ready.

02

Nova teaches it aloud

Click Audio Lesson. Your ElevenLabs tutor takes the article and teaches it — analogies, examples, live Q&A. A full voice conversation.

03

Alex interviews you

An AI interviewer asks technical questions based on your plan — by voice. Gemini scores every answer and generates your report.

Doctrine

Everyexpertwasonceabeginnerwhorefusedtostayone.PrepStudiocompressesyearsoflearningintofocusedAI-guidedsessionsbuiltpreciselyforthemomentyouhavetoprovewhatyouknow.

Terminal / ready

Ready to build
mastery?

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