Taking 3 projects this month

I build subscription AI apps for health and longevity companies

I turn expert and brand audiences into a working subscription AI product in 2–3 months. Without hiring a development team. With unit economics forecast at the start.

10 years in product
6 AI products in portfolio
3 markets: RU · UK · US
Vibe coding · Claude Code
Yanina Chizhevskaya — AI Product Manager
About

Yanina Chizhevskaya — product manager and vibe coder for health products

I launch AI apps and SaaS solo using Claude Code, Cursor and Lovable — 5–10× faster than hiring a team and 10× cheaper than classical development. Specialization: health, wellness, women's health 35+, fitness, nutrition, longevity. Built wellness Mini App for women 35+ (Periya) with cycle-adaptive logic. Spent a year as product manager at international face fitness platform MindBodyFace (US/UK/EU). Built MVP for nutrition startup Biogenom. 6 years as tech director of online nutrition schools.

Cases

Live AI products

In production · 2026

Periya

Wellness Telegram Mini App for women 35+ · @PeriyaApp_bot

Personalized nutrition and training plan with cycle, perimenopause, IF support. 4-phase cycle-adaptive logic, AI photo calorie estimation, pelvic floor, check-in, analytics. React 19 + Node + Prisma + PostgreSQL + Claude API.

2024 — 2025 · International

MindBodyFace

Face fitness · facial massage · natural facial rejuvenation · US/UK/EU

One year as product manager of international wellness portal and mobile app. Cross-continent team, content strategy, unit economics, Western natural-beauty competitor analysis.

In production · 2026

BreathFlow

Breathing practices Telegram Mini App · @BreathFlowAI_bot

4 techniques (Wim Hof, 4-4-4-4, 4-7-8, Buteyko). Web Audio API: whisper noise, 432/528 Hz background, Alpha/Theta/Schumann binaural beats. Single HTML, zero dependencies.

Startup · 2022 — 2023

Biogenom

Nutrition mobile app MVP · B2C / B2B2C

Full MVP development: CustDev interviews, market and competitor analysis, design and dev management, unit economics, marketing partner work, stakeholder management.

Corporate AI · 2023 — 2024

AI agents for business

Neurocopywriter · GPTs sales bot · Support chat bot

Launched LLM agents in production at international company: sales bot (closing deals, returning unhappy customers), support GPTs (onboarding in 2 days instead of 2–4 weeks), neurocopywriter on corporate data. Department headcount cost cut by half.

In testing · 2026

Lookbook AI

AI stylist and virtual try-on · look-ai.ru / room.look-ai.ru

AI try-on on two LLM providers (Claude + Gemini) with feature-flag switching and automatic fallback. Three tiers (50/150/300 generations), AI telemetry with billable-ops tracking, unified SEO with SSR prerender.

Unified packages

From product decision to White Label + AI

Start with a five-day AI Product Sprint for RUB 50,000, then move to Blueprint and development only when the product direction makes sense.

White Label Fit · 5 working days

Find the right recurring product scenario

Audience, recurring problem, rough economics and the right delivery package.

RUB 0
For the first 3 qualified projects this month
5 working days · entry product

AI Product Sprint

Three product hypotheses, one selected offer and user journey, rough unit economics, one AI scenario with API costs and fallback, and a 30-day validation plan.

  • Independent go / no-go decision
  • Final PDF and review call
  • No prototype, detailed PRD or production code
RUB 50,000
Credited toward Product Blueprint if we continue within 30 days
14 working days

Product Blueprint

Research, value proposition, CJM, clickable prototype, unit economics, AI scenario, Lite PRD and launch estimate.

  • One product and one primary user journey
  • AI provider, cost, limitations and fallback planned before code
  • No production frontend, backend, billing or AI integration
  • Main risk removed: weak recurring value or unviable economics
RUB 150,000
Credited in full toward Start or White Label + AI
4–6 weeks

White Label Start

One branded application, one recurring scenario and one primary channel.

  • Blueprint, brand, UX, frontend and backend
  • Onboarding, account, subscription / billing
  • Core analytics and 14 days of stabilization
  • AI is not included but the architecture can be extended later
from RUB 350,000
Total price including Product Blueprint
Custom scope

Custom Web SaaS

Multiple roles, integrations, AI scenarios or special security requirements require a separate discovery and phased estimate.

custom estimate
Care from RUB 60,000/month · Growth from RUB 80,000/month
Stack

What I work with

Stack chosen for the task — from a single HTML file to production with Postgres and background processing. Vibe coding with AI assistants wherever possible.

Claude CodeCursorLovable Google AI StudioGemini APIClaude API OpenAI GPTsNotebookLMMCP serversN8N React + TypeScriptNext.jsTailwindshadcn/ui Node + ExpressPrisma + PostgreSQLSupabase VercelVPS Telegram Mini AppsTelegram StarsStripe Python + FFmpegPlaywright FigmaFigma MCP Google Analytics 4PostHogAmplitudeMixpanel
Free AI audit

Get a concept + unit economics for your health audience in 5 days

Apply via Telegram — I usually reply within a business day. If your profile fits the health / wellness / longevity niche and you have an audience or business to launch an AI product on, we schedule a strategy session.

Write to me on Telegram →

Or email: chizhevskaya86@gmail.com