Why build your custom app?
60% revenue
An app removes friction in login, payments, and repeat purchases—boosting conversion and recurrence without extra acquisition spend.

Custom apps that work the way you need
Progressive Web Apps (PWA)
Work like a native app from the browser, no download needed. Ideal for product catalogs, client portals, and internal management systems.
Native Mobile Apps
Built with Swift (iOS) and Kotlin (Android) for maximum performance. Ideal when you need full access to device hardware.
Hybrid Apps
iOS and Android apps built with a single codebase. Reduces costs by 30-50% while maintaining a native experience.
Dashboards & Panels
Custom panels to centralize your business data. Connect CRM, billing, social media, and email in one place.
AI Automations
We integrate AI into your app to automate repetitive tasks: email classification, document analysis, product recommendations, and intelligent chatbots.
Integrations & APIs
We connect your new app with the tools you already use: Stripe, WhatsApp, Google Workspace, Shopify, HubSpot, and any service with an API.
From idea to your app in 5 steps
A clear, transparent process. This is how we turn your idea into reality.
Strategic Consultation
We understand your business, processes, and goals. We identify what type of app you need and where AI can generate the greatest impact.
Proposal & Scope
We present a detailed document with features, technologies, fixed price, and delivery timeline.
UX/UI Design
We create wireframes and interactive prototypes so you can see and test your app before a single line of code is written.
Agile Development
We build your app in 2-week sprints. Each sprint shows real progress and you can give feedback.
Launch & Support
We deploy your app, train your team and provide ongoing technical support.
Why choose Symbionix
AI has democratized the technology that was once only within reach of large corporations.
AI from the design phase
We integrate artificial intelligence from the design phase, not as an afterthought.
Specialists in your business
We understand budgets, timelines, and the needs of growing businesses.
Modern stack
React, Next.js, Node.js, Swift, Kotlin — fast, scalable, and maintainable apps.
4 languages, 3 markets
Spanish, English, Italian, and Catalan. Spain, LATAM, and USA.
No vendor lock-in
100% your source code. No tech dependency.
Fixed budget
The agreed price is the final price. No hidden costs.
Real results for real businesses
Biopulse RM
Real-time heart rate monitoring
Gyms needed to monitor heart rates in real time, with visual data for trainers and gamified motivation.
Complete ecosystem with native apps for users and trainers featuring BLE sensors, real-time dashboard, per-member effort zones, post-workout summaries and AI-powered recommendations.
monthly sessions
client retention
Transparent investment, no surprises
Fixed price, your source code, training included.
The best technologies on the market
The same tools used by Netflix, Airbnb, and Uber.
Web
React / Next.js
Node.js / TypeScript
Tailwind CSS
Mobile
React Native
Swift (iOS)
Kotlin (Android)
Artificial Intelligence
OpenAI / Claude API
Open-source models
LangChain / RAG
Databases
PostgreSQL / Supabase
MongoDB
Redis
APIs & Integrations
Stripe / PayPal / Redsys
WhatsApp Business API
Google Maps / Twilio
Shopify / HubSpot
Infra & DevOps
Vercel / AWS
Docker / CI-CD
Auth0 / Firebase Auth













