Your portfolio, always under control
Rentio brings rent tracking, expense management, open banking, and tax overviews together in one place. Available on iOS, Android and web.
Rent statusesPaidPendingOverdueVacant+ NebenkostenNebenkosten is shown as an indicator when a payment includes additional fees
iOS · Android · Web
All major platforms
Real-time sync
Across all devices
Tink Open Banking
Secure bank connection
4 rent statuses
Paid, Pending, Overdue, Vacant
Why Rentio?
The challenge
- ·Rent tracking spread across spreadsheets
- ·No clear view of overdue payments
- ·Expense records scattered in emails
- ·Tax season takes days to prepare
- ·Switching between devices is painful
The Rentio approach
- ·Automatic monthly status per property
- ·Real-time paid / pending / overdue dashboard
- ·Categorised expense log with search
- ·One-tap annual tax overview
- ·Native iOS, Android and web — always in sync
Built for landlords
- ·Individual landlords — 1 to 50 properties
- ·Small property management firms
- ·Real estate investors
- ·Holiday let owners
- ·Anyone replacing a spreadsheet
Features
Everything a landlord needs
Every feature ships on all three platforms from day one.
Property portfolio
- Full address, tenant details and lease dates
- Base rent + Nebenkosten (additional fees)
- Property type, size and room count
- Cover photo per property
- Filter by status or search by name / tenant / city
Rent payment tracking
- Monthly status computed automatically per property
- Nebenkosten indicator on applicable payments
- Full payment history with source tagging
- Collection progress bar (paid vs. expected)
- Overdue notifications sent automatically
Expense management
- 9 categories: maintenance, repairs, insurance, and more
- Date-range filter across the full portfolio
- Tax-deductible expense tracking
- Per-property expense breakdown
Tax overview
- Annual income vs. expense summary
- AfA (depreciation) base per property
- Estimated tax liability based on personal income
- Export-ready annual breakdown
Open banking via Tink
- Connect personal and business accounts
- Automatic transaction sync
- Session status monitoring
- Available directly from web and mobile
Security & sync
- Row-level security — you see only your data
- Supabase Auth: email, phone, Google, Apple
- Real-time sync across all devices
- All data stored in EU (Supabase EU region)
Platforms
One product, three platforms
Rentio is built natively for each platform. No feature is hidden behind a specific device.
iOS
Native app, App Store
- Expo + React Native
- Push notifications
- Apple Sign-In
- Camera & photo library
Android
Native app, Google Play
- Expo + React Native
- Push notifications
- Google Sign-In
- Camera & photo library
Web
Browser, any device
- Next.js 16
- Google OAuth
- Tink bank connect
- Light & dark mode
Get startedGet started
Ready to simplify your portfolio?
Web app
Sign in directly in your browser.
iOS
Download on the App Store.
Android
Get it on Google Play.
Have questions? Reach out