Rentijer is a property management system (PMS) for short-term rental hosts in Croatia. It covers what running an apartment on Airbnb, Booking.com or Vrbo in Croatia really demands, well beyond taking bookings: calendar sync, eVisitor registration, document scanning, taxes, invoices and finances. It is all in one fast mobile app that installs without an app store.
The challenge: legal duties and many platforms
Croatian hosts need more than a calendar. They have to register every guest, keep track of a series of taxes and run several platforms at once, and Airbnb solves none of that:
- eVisitor within 24 hours: every guest has to be registered in the state system within 24 hours of arrival, and the pressure is highest with late-night arrivals.
- Taxes and fees: tourist tax, tourist board membership, the €60,000 VAT threshold, property and income tax, each with its own rate, deadline and payment reference.
- Several platforms: copying dates between Airbnb, Booking.com and Vrbo by hand risks double bookings.
- Dated tools: existing software is often slow and hard to read on a phone, the device hosts actually use.
The solution: a fast mobile app
Rentijer runs on Next.js 16, Bun and Supabase. Partial Prerendering shows the parts of the interface that do not change at once, and data such as active bookings arrives separately, so the classic loading screens go away.
1. One calendar for every platform
Rentijer brings Airbnb, Booking.com, Vrbo and any platform with iCal into one calendar per property, or one view of the whole portfolio.
