CostSignalSee the sample

Old price list, new price list

The supplier price-list comparison that refuses to guess.

For owners and buyers of small Dutch webshops, with hundreds to a few thousand SKUs and suppliers who keep sending new price lists, who still compare them by hand in Excel.

See the sample
Hand-drawn sketch of two overlapping loops, old file and new file. The overlap is confirmed changes, with per-unit prices inside. Old-only is missing, new-only is added, and a dashed loop at the edge is Needs clarification.

A sketch of how the report sorts two files. No data.

Old file, new file, one report

  • Upload both CSVs
  • Confirm five columns
  • Read the report in minutes

Sample column names and values, not a customer file.

What counts as
confirmed?

A change is confirmed only when it can show where it came from: the row in the old file and the row in the new file.

What gets set apart as
Needs clarification?

Everything uncertain. The report does not pick an answer for you. It lists the row and leaves the call with you.

In the
report

Price increases and decreases, in euros and in percent.

Price per unit when pack quantities are supplied.

Products added in the new file.

Products missing from the new file.

Gross margin changes when selling prices are given on a consistent tax basis.

Left out until
it can be shown

No price per unit without pack quantities.

No margin change unless the selling prices share one tax basis.

No reason given for a product that is missing from the new file. It is listed as missing, nothing more.

No confirmed change without its row references.

A sample report

  • Sample data
  • Counts per category
  • Top 3 per-unit increases

Sample products, prices and row numbers. A real report is built from your two files.

€19 per comparison report

  • One-time purchase
  • Hosted checkout
  • On screen, CSV and PDF

Before
checkout

A limited free preview: counts per category, plus the top 3 per-unit increases shown in full.

After a successful
checkout

The complete report, on screen, as a CSV and as a PDF.