01Flagship service
Relay
We pick up exactly where your project stopped. Audit in 5 days, fixed quote on day 6.
Audit · quote · storeLIVE · Tajo is clocking in on site now
Apps that survive production.In a plisplas.
Product and engineering studio in Madrid. Two of our own apps in the stores, one that clocks in on building sites every day, and we fix the budget before writing code.
4.86★On Google Play, with real users
2 appsOur own, in production. No demos
0 → storeEvery project, built from scratch
24 hReply, from a real named person
AI got you to 80%.The missing 20% is what breaks.
80% AI · 20% PlisPlas
We rescue stuck projects, whether an AI, a freelancer or an agency started them. Bring it as it is: messy, undocumented and without shame. Nobody judges out loud here. We audit it, tell you what's worth keeping and finish it with real engineering.
- Days 1–5Written auditWhat stays, what goes and what each option costs.
- Day 6Fixed quotePrice and date before touching a single line.
- All the way to the storeProduction with a dateTests, store review and full nights of sleep.
02 — Flagship service · RelayFor stuck vibe-coding projects
AI got you to 80%.The missing 20% is what breaks.
80% AI · 20% PlisPlas
We rescue vibe-coding projects. Bring it as it is: messy, undocumented and without shame. Nobody judges out loud here. We audit it, tell you what's worth keeping and finish it with real engineering.
Bring us the repo →Days 1–5Written auditWhat stays, what goes and what each option costs.
Day 6Fixed quotePrice and date before touching a single line.
All the way to the storeProduction with a dateTests, store review and full nights of sleep.
03 — Services5 disciplines · one team
We do it all.Annoyingly well.
No account managers, no PDFs someone has to interpret later. The interface is decided right next to the code.
01
Flagship service
Rescue for vibe-coding projectsAI got you to 80%. The missing 20% is what breaks. Bring it as it is: we audit it and pick up exactly where the AI left it, with real engineering.
Days 1–5 · auditDay 6 · fixed quoteAll the way to the store
02
Flutter and native · iOS and Android
03
Real-time chat and voice
04
Serverless · auth · payments
05
Management, data and alerts
Services
We do it all.Annoyingly well.
No account managers, no PDFs someone has to interpret later. The interface is decided right next to the code.
01 / 05 · swipe
In production01 / 03
Built from scratch.Used today by real people.
Two apps in use and one about to ship. None of them is a portfolio mock-up.
Tajo
B2B · ConstructionLegally valid clock-ins and voice-dictated site reports, built with Grupo Edma for its sites and crews. Works without coverage and syncs on its own.
24/7Clock-in without coverage
0 sOf audio sent to the server
100%Clock-ins chained to server time
04 — In production1 client · 3 apps
Built from scratch.Used today by real people.
Two apps in use and one about to ship. None of them is a portfolio mock-up.
Tajo
On site every dayB2B · Client: Grupo EdmaLegally valid clock-ins and voice-dictated site reports, built with Grupo Edma for its sites and crews. Works without coverage and syncs on its own.
24/7Clock-in without coverage
0 sOf audio sent to the server
100%Clock-ins chained to server time
And our own appsIn the stores
Pax
4.86★B2C · Google PlayWellbeing and stoicism with an AI mentor who walks you through each day's reflection.
4.86★On Google Play, with real users
AIMentor with streaming replies
“Niebla”Our own design system
Vinora
Coming sooniOS and Android · in testingWhatever plays on Spotify or any player, turned into a real device: turntable, cassette, CD or reel-to-reel, with cover art and needle. On screen, as wallpaper and in widgets.
16Animated devices
1Permission, and not one more
€0No ads, no pro version
Every build breaks here before it reaches anyone.
05 — Obsessive testing
Every build breaks here before it reaches anyone.
On emulators and real hardware: network, battery, rotation and interruptions. Critical flows, like payments and subscriptions, are also verified server-side.
06 — How we work
Five steps.
The awkward questions come first, while they're still free.
How we work
Five steps.
The awkward questions come first, while they're still free.
- Discovery
What “done” means before writing a line.
- Design
Changing a button in a sketch takes a minute. In production, an afternoon.
- Development
Production code from day one. Shortcuts charge interest.
- TestingExhaustive
We break it ourselves so nobody else does first. Every build, no exceptions, on emulators and real hardware.
Network, battery and rotationInterruptions and backgroundPayments verified server-side - Launch
The first time the product breathes on its own.
Three steps.Shorter than your build.
A person reads it and replies within 24 working hours.
Contact us →A one-minute form. We reply within 24 business hours.
- We reply with a real name.
- A first call with no strings: we tell you if we can help and, if not, we tell you that too.
- Fixed quote before the first line of code.
- You talk to whoever is going to build it.
07 — Let's talk
Three steps.Shorter than your build.
A person reads it and replies within 24 working hours.
- We reply with a real name.
- A first call with no strings: we tell you if we can help and, if not, we tell you that too.
- Fixed quote before the first line of code.
- You talk to whoever is going to build it.
Contact us →
A one-minute form. We reply within 24 business hours.