Mobile app & AI development
company in Texas
We don't just consult — we ship and operate our own products. Six live apps and platforms, from an App Store fitness coach to a 150-source property data API. The same team builds yours.
Our core services
Mobile App Development
Native iOS and Android apps built to App Store and Google Play standards. Swift, SwiftUI, Kotlin, and cross-platform delivery with React Native or Flutter — from first wireframe through store submission and post-launch releases.
We run this ourselves: MyGymAI
AI Agents & LLM Automation
Custom AI agents powered by modern language models. Voice agents that answer the phone, chat assistants grounded in your own data, and back-office automation wired into the systems you already use.
We run this ourselves: Conserja
Data Platforms & APIs
Large-scale public-data ingestion, normalization and delivery. We run a property data API that aggregates 150+ government and open-data sources with per-field provenance — the hard part is keeping it correct, and that is what we do.
We run this ourselves: Ammasa
Automotive Tech Solutions
Specialized applications for the automotive industry — dealership management tools, vehicle diagnostic platforms, fleet tracking and driver-facing mobile apps.
Products we build and run
Six products in production under our own name — an App Store fitness coach, a property data API serving 150+ sources, a bilingual AI phone agent, and more. Each one is a working reference for the services above.
MyGymAI
AI fitness coach on the App Store. Generates personalized workout programs, tracks progress and adapts training over time.
BeforeYouBuy Homes
Due diligence reports for home buyers — flood risk, crime data, school ratings, permit history and insurance costs in a single report.
Ammasa
Property data with provenance. Value, flood, climate, crime, permits, schools and insurance from 150+ sources behind one API.
Conserja
AI phone concierge that answers every call 24/7, books appointments and sends SMS confirmations. Bilingual English and Spanish.
Texas Property Help
Storm damage recovery for Texas homeowners — vetted contractors, insurance claim guidance and repair financing in one place.
Icon Production
Custom fabrication and large format printing — CNC routing, UV flatbed printing and nationwide installation out of Los Angeles and NYC.
Latest product news
Every meaningful release across our apps, in public. Subscribe via RSS.
Built in Texas,
deployed worldwide
Grymman Auto LLC is a Texas-registered technology company specializing in mobile application development, AI agents and data platforms. We are a product company first: every service we sell is something we already run in production under our own brand, which means our clients get patterns that have survived real users, real App Store review and real infrastructure bills.
Ready to build
something great?
Reach out to discuss your project — we respond within 24 hours.