No middlemen. Senior engineers who turn your idea into product — with code you own and the quality of a European team.
Services and technologies we specialise in
Fifteen years of the founder's craft and the delivery date in the contract. We build so it works today and scales tomorrow.
Mobile Apps
Your app on iOS and Android, built to perform. No shortcuts that cost double in 12 months.
- iOS and Android from one codebase
- Real native-grade performance
- Published to the App Store and Google Play
- Production-ready backend
AI Automations
The work that eats hours every week, turned into AI-powered workflows that run 24/7.
- Manual processes gone in days
- Leads, invoices and reports on autopilot
- Wired into your CRM and ERP
- Your workflows, no black boxes
AI Agents
Support that books meetings, answers questions and sells while your team sleeps. WhatsApp, web and voice.
- WhatsApp answered with no wait
- Meetings booked automatically
- In the languages your customers speak
- No extra support headcount
Web & SaaS
Auth, billing, multi-tenant and an admin panel from day one. The foundation you won’t have to rewrite.
- Ready to charge your first customer
- Multi-tenant and roles, no patches
- Admin panel to operate without code
- Code that’s 100% yours
Tell us what you’re building. We’ll come back within 24 hours with an honest first take and the range it falls in. The closed scope and the firm price come from the discovery.
How it works
- 01
Free intake call
We map your idea and give you the range.
- 02
Discovery
Closed scope, firm quote and a delivery date.
- 03
Weekly demos
Real progress on your device every sprint.

PropPilot
01/03Conversational AI agent platform for real estate agencies. Omnichannel management with automated lead qualification, a project knowledge base and advanced analytics. Integrates with WhatsApp, Telegram and a web widget.

Dormus
02/03Native iOS and Android app for the Dormus method, which promises full nights in under 4 weeks with fully personalised routines and plans.

Saher Connect
03/03Mobile app for farmers to calibrate Saher spraying equipment and manage their digital field logbook in one place. Supports 7 crop types: trees, cereals, citrus, fruit, vegetables, olive groves and vineyards.
A process proven on real products, not in theory, to guarantee quality, transparency and speed.
“We don’t write code until we fully understand the business problem.”
- 01
Fit call
Free · 1 hour
You tell us what you need and we tell you the range it falls in and whether we are a fit. The calculator gives you that same range in two minutes.
- 02
Discovery
€2,000 · 4–5 days
Workshops, architecture and a closed scope, with a firm quote and a delivery date. Fully deducted from the project if you go ahead with us.
- 03
Design & architecture
We prototype the UX/UI screen by screen and leave the system ready to build, before writing a single line of code.
- 04
Agile development
Weekly sprints with demos. You see real progress every week on your own device and give continuous feedback.
- 05
Testing & launch
Thorough testing, App Store / Google Play release and production deployment with active monitoring.
- 06
Ongoing support
We don't disappear after launch: maintenance, new features and priority technical support.
Wedon'tselldevelopmenthours.Webuildproduct:softwaredesignedtoearnmore,operatebetteranddependonnoone.
No middlemen
Your project is built by a team of senior engineers led by the founder, with 15+ years of craft. No juniors, no outsourcing.
Code that is 100% yours
You own all the source code from day one. No hidden dependencies, no lock-in.
Modern technology
Flutter, Next.js, Supabase, n8n. A current, powerful and maintainable stack. Nothing legacy or obsolete.
Honest quotes
We tell you what it really costs. If your idea needs adjustments to be viable, you'll know before we start.
Measurable results
Every project has clear KPIs. We focus on real impact on your business, not lines of code.
European quality, no offshore
Team in Spain, direct dealing and European standards. We work with clients across Spain and on international projects — no middlemen, no surprises.
What our clients say
“Very happy with the Docastix team — attentive and resourceful. Whenever we’ve needed them they were there for us; more than a vendor, they’ve become a partner. Highly recommended.”
Tell us your idea and we’ll get back to you within 24 hours with an initial proposal.