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Nullpointer Labs LLC

In-app purchases

About this app

Create structured, transparent, and professional utility bills. Whether you're a landlord, property manager, or homeowner, the Utility Bill App is your digital assistant for annual operating cost statements.

The app guides you step-by-step through all relevant areas: tenant data, billing period, advance payments, allocation keys, cost items, and meter readings. Integrated checklists and a preview ensure your statement is complete and accurate before you generate the final PDF.

BILLING TYPES

- Individual apartment, flat, or commercial unit
- Multi-family house and buildings with multiple units
- Simple billing without property structure
- Suitable for private landlords and small property management companies

GUIDED WORKFLOW
- Clear step-by-step recording of all data
- Integrated plausibility check and checklist
- Preview before finalization
- Capture signature and embed it in the document
- Operating costs, heating costs, water costs, caretaker costs

PDF & OUTPUT
- Create professional PDFs directly in the app
- Print, share, and email
- Customizable document text, layout, font, and table options
- Suitable for digital and postal delivery

ARCHIVE
- Securely archive completed statements
- Read-only copies as a snapshot
- PDF access and re-sharing possible at any time
- Complete documentation of all past statements

CLOUD & DATA PROTECTION
- Cloud login with automatic synchronization
- Data available across devices – web, smartphone, tablet
- GDPR-compliant data export as JSON

- Your data remains your data

TEMPLATES & ORGANIZATION
- Templates for landlords, banks, allocation keys, cost items,

meters and signatures

- Folder structure for organizing multiple properties and real estate
- Multi-currency support including EUR (€), CHF (Fr.), USD ($), AED, PESO
- Suitable for international landlords and expats

COUNTRIES & MARKETS
- Austria: MRG-compliant utility billing
- Switzerland: Utility and heating cost billing according to Swiss law
- Germany: Operating Costs Ordinance (BetrKV), Section 556 of the German Civil Code (BGB) with CO2
- International: USA, Spain, Portugal, UAE, South America: Utility billing for international landlords

PLATTFORMS
- iOS (iPhone, iPad)

- Android (Smartphone, Tablet)

- Web app (Browser, Desktop, Mac, Windows)

SUITABLE FOR
- Private landlords with one or more apartments
- Owners' associations and property management companies
- Expats and International property owners

- Small landlords without expensive desktop software

Keywords: Utility bill, operating cost statement,
Heating cost statement, Rent statement, Service charge statement,
Annual rent statement, Allocation key, Consumption costs,
Landlord app, Property management app, rental billing, utility billing,
Service charge statement, Create statement, PDF statement,
Ancillary rental costs, Residential utility costs, Apartment operating costs.

Create your utility bill efficiently, legally compliant,
transparently, and professionally – without complex
desktop software. Start now for free.