The promotion has disappeared. How can you show what was advertised?
A page can change before you have time to react. Find saved captures, recorded prices and dates together in one file.
Share concrete evidence with your lawyer.Comparzeo Proof · Optional add-on
Is a competitor attracting your customers with discounts that seem misleading?
Without price history or a capture of their page, how can you document what they advertised? Proof compares crossed-out prices with recorded prices, saves timestamped captures and brings the evidence together in an exportable file.
Planning your own promotions? Retrieve the price readings and captures you need to justify your crossed-out prices.
From an additional €29/month excl. VAT for 20 products, on top of price monitoring.
Proof · Difference to review
CAP TRAIL · FJORD GTX
Advertised discount
−25 %
120 € / 160 €
Based on the observed minimum
−14,3 %
120 € / 140 €
Lowest price observed over the previous 30 days: €140.
A 10.7 percentage point difference to examine.
Sales, Black Friday: can you justify your crossed-out prices?
Before your promotion, review your reference prices using the available history. Then keep captures and readings to support you in an inspection or dispute.
Prepare your supporting records before you need them.Proof features
From spotting a promotion to building an evidence file
Compare prices, preserve pages and prepare supporting material to take action or justify your own promotions.
Spot crossed-out prices worth checking
Identify crossed-out prices that exceed the lowest price recorded on the same page over the previous 30 days.
Keep a record of promotions
Preserve page captures and their eIDAS-certified timestamps, even after the promotion has disappeared from the website.
Prepare a file for your lawyer
Bring together price history, captures and calculations in an exportable file, with an independent verification tool.
Justify your own crossed-out prices
Before seasonal sales or Black Friday, review your reference prices and retain supporting material in case of an inspection or dispute.
What you get
An evidence file you can take with you
Dated captures
The saved pages and the status of their eIDAS-certified timestamping.
Price readings and calculations
Available price history and differences between advertised discounts and recorded prices.
An exportable report
The report, captures and a verification tool you can use outside Comparzeo.
Timestamping covers the date and integrity of the data. Proof does not guarantee that a promotion complies with the law, and does not replace legal advice or a judicial officer’s report.
CertignaQualified timestamping provider