# Kretronik GmbH

> Custom software development, DevOps, AI automation, and managed website services.
> Based in Burgkirchen, Bavaria, Germany. Serves clients in Germany, Austria, and internationally.

## Services

- Custom Software Development: Tailor-made applications for desktop, web, and mobile platforms
- DevOps & Infrastructure: CI/CD pipelines, Docker, automated deployment, Linux server management
- AI & Automation: LLM integration, AI phone agents, workflow automation, process optimization
- Managed Websites: Professional business websites with hosting, maintenance, and SEO included
- AI Phone Receptionist: 24/7 inbound call handling and appointment booking (product: Terminstimme)
- AI Web Chat: FAQ answering and appointment booking chatbot for business websites

## Pricing

- Standard Website: €147/month. Custom design, EU hosting, domain, maintenance, security updates, on-page SEO and Google Business basics. 10 content updates per month.
- Premium Website: €247/month. Everything in Standard, plus unlimited content updates, full Google Business Profile and review management, online booking, the AI phone receptionist (500 minutes/month included) and AI web chat.
- Business Website: €447/month. Everything in Premium, plus custom software development (internal tools, custom apps, CRM, booking systems and dashboards, scope agreed up front), custom SEO strategy, an advanced analytics dashboard, a dedicated contact and same-day support on working days.
- AI Phone Receptionist Solo: €177/month, 1,000 minutes/month included, then €0.15 per minute. 1 phone number, 1 calendar integration.
- AI Phone Receptionist Team: €327/month, 3,000 minutes/month included, then €0.12 per minute. 2 phone numbers, 2 calendar integrations, priority support (urgent issues handled within 2 hours).
- AI Phone Receptionist Scale: €527/month, 5,000 minutes/month included, then €0.10 per minute. Custom phone numbers and integrations.
- AI Web Chat: €67/month, 500 conversations/month included, then €0.15 per conversation. Standalone, or included in the Premium Website plan.
- Additional phone number: €5/month (voice only) or €25/month (with SMS).
- Custom software and larger projects are quoted per project after a free discovery call, since scope drives the price.
- No setup fees, no one-time build costs and no minimum term on any plan. Because the build is not billed separately, the monthly fee starts as soon as the agreement is made and we begin building right away. All prices plus VAT.
- DSGVO-compliant, EU hosting, AVV (data processing agreement) included.

## Technology Stack

- Backend: Python, Django, Flask, C++, Node.js
- Frontend: JavaScript, React, Bootstrap
- Mobile: React Native, Android (Kotlin/Java)
- Infrastructure: Docker, Linux, nginx, GitHub Actions, CI/CD
- Databases: PostgreSQL, MySQL, MongoDB, SQLite
- AI/ML: LLM APIs, speech-to-text, text-to-speech, Gemini Live, Twilio

## Team

- Viktor Kreschenski: Founder and software engineer. Python, C++, JavaScript, Django, full-stack web.
  LinkedIn: https://www.linkedin.com/in/viktor-kreschenski-027419110/
  Personal site: https://kreschenski.com/
- Anatoli Nikitin: C++ specialist. 20+ years of Windows desktop application development.
  LinkedIn: https://www.linkedin.com/in/anatoli-nikitin/
- Andrei Nikitsin: Mechanical engineer. SolidWorks, medical prosthetics modeling.

## Projects Delivered

- Terminstimme (https://terminstimme.de): Real-time AI phone agent for inbound calls and appointment booking
- Dialingo (Android): Gamified cold calling trainer. Streaks, XP, leagues, drills for sales reps
- Somantic (https://www.somantic.net): Real estate analysis platform for Germany (Flask, GraphQL, Scrapy, MongoDB)
- PantryOS (Android): Pantry and grocery management app with barcode scanning and recipe suggestions
- PDF to XRechnung (https://github.com/vkresch/pdftoxrechnung): Open-source PDF invoice to German XRechnung XML converter
- OSI-Validator (https://github.com/OpenSimulationInterface/osi-validation): Python tool for validating Open Simulation Interface messages
- Tezos Reward Distributor: Reward distribution software for Tezos blockchain bakers
- Find Similar Books: Book recommendation engine using Latent Dirichlet Allocation topic modeling

## Client Types

- Small and medium-sized businesses (SMEs) in Germany and Austria
- Startups building their first digital product
- Tradespeople and service businesses needing a managed website and AI receptionist
- Research institutions and engineering firms needing desktop tooling (C++, Python)
- International clients needing EU-based, DSGVO-compliant development

## Languages

- German (primary for local clients)
- English (primary for international clients)

## Contact

- Email: viktor.kreschenski@kretronik.com
- Contact form: https://kretronik.com/contact-us/
- German site: https://kretronik.com/de/
- Book a call: https://calendly.com/kretronik/30min
- GitHub: https://github.com/kretronik
- Upwork: https://www.upwork.com/agencies/kretronik/