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Check your utility bill
& digital handover protocol.

Document handovers legally and check your service-charge statements automatically — AI-powered, in just minutes.

Handover Protocol

Document the handover completely

01

Enter data

Capture address, tenant and landlord in seconds.

02

Document rooms

Record each room with photos and defects.

03

Sign digitally

Both parties sign — legally compliant and paperless.

Start protocol →
Utility Bill Check

Check your utility bill in minutes

01

Upload your bill

Upload a PDF or photos of your utility bill statement.

02

AI analysis

Our AI checks every line item for errors and inadmissible costs.

03

Get your result

Receive verifiable objections and a ready-to-send inquiry letter.

Check bill →

Why Mietlex?

AI Analysis

Analysis at the highest level

Check utility bills for inadmissible costs and automatically detect apartment defects — AI-powered by the world's most capable models.

Documentation

Legally compliant protocols under German tenancy law

Document apartment handovers room by room — with photos, defect records and digital signatures from both parties. Paperless, GDPR-compliant and legally valid as PDF.

GDPR compliant
Encrypted storage
Digitally signed, legally valid as PDF

Frequently asked questions

The basic features are free. Detailed analyses — such as the full breakdown of utility-bill objections with an inquiry letter — are paid.

For all tenants in Germany, Austria and Switzerland.

Yes. Your data is stored encrypted and not shared with third parties.

Both parties receive a link and can sign the protocol directly in the browser.

You receive a notification and can respond directly. The protocol remains legally documented.

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