Apps
Small apps that solve real problems
I build practical tools with care for cost and clarity. They are published on altandcatchfire.com.
- ★ First projectBeta
Not So Fast AI
Multi-model AI orchestrator
My first project: a multi-model orchestrator that routes every task to the cheapest capable model. It built the rest of these sites and apps.
- Orchestration
- Cost control
- Multi-model
- Beta
Paripax Hands Analyzer
Tournament poker study tool
Study tournament poker spots: hand equity, push/fold ranges and ICM-aware decisions, with a desktop analyzer for reviewing your own hands.
- Equity
- Push/fold
- ICM
- Desktop analyzer
- Beta
Frequency Match Lite
Analyse a song in your browser
Drop in a song and see its notes, key and tempo — the analysis runs in your browser, nothing is uploaded.
- Notes
- Key
- Tempo
- In-browser
- BetaPrivate
Job Hunter
Private local AI job matcher
Runs locally: matches job offers against my profile with AI and tailors a CV for each application. Personal tool, not public.
- Local
- AI matching
- CV tailoring
🔒 Private - Building
Bar & Menu Lab
Built for a friend's cocktail bar
A lab for bar and restaurant menus with smart substitutions: swap an ingredient and keep the dish or drink working. Currently being built.
- Menus
- Smart substitutions
- Hospitality
- Live
Next Song
Bar jukebox voting: the room picks what plays next.
Customers scan a table QR code and vote on what plays next; staff keep control with veto, skip and pin.
- QR voting
- Now playing
- Staff control
- Live
Phones as Speakers
Many phones, one synced speaker.
One phone hosts a room and the others join by QR code, playing the same audio in sync for a bigger sound.
- Synced audio
- QR join
- Web Audio
- Live
Why Pay More
Finds products where Amazon refurbished and used offers are cheaper than the Portuguese second-hand market (OLX, Wallapop) — for resale at a margin.
Tracks Amazon Resale and Renewed prices and compares them with OLX and Wallapop to rank resale margins.
- Price tracking
- Margin ranking
- Resale
- Live
Importa o Teu Carro
Ranks used cars in Germany, Belgium, France and the Netherlands by the profit of importing them to Portugal — after ISV and all costs.
Ranks used cars abroad by the margin of importing them to Portugal, after ISV and all costs.
- ISV calculator
- Import costs
- Margin ranking
- Live
O Que Fazer Hoje
Live music and culture in Portugal today.
Collects event listings from venues and agendas and shows live music and culture in Portugal today.
- Event listings
- City filters
- Map
- Live
Acerta a Tua Contabilidade
Matches the invoices issued to your company in e-Fatura with the documents you actually have, chases the missing ones and hands a complete set to your accountant.
Matches your e-Fatura invoices with the documents you have, chases the missing ones and exports a complete pack.
- e-Fatura import
- Invoice matching
- Reminders