DIY retail data for Germany: listing, price and availability per store.
watch.diy observes your products and your competitors' products at Hornbach, OBI, Bauhaus and toom, in 914 stores across Germany: whether an item is listed, what it costs and whether it is in stock in each store, every day. Built for the key account and sales teams of manufacturers who sell into German DIY retail.
The demo booking page and the rest of this site are in German.
What watch.diy observes
What key account teams use it for
- Listing checks: in which stores your items actually have stock, and where a competitor is listed but you are not.
- Out-of-stock detection: stores and regions where your items are sold out, before it shows up in sell-out figures.
- Price monitoring: your price next to your competitors' prices, with history.
- Annual negotiations: reliable availability and price figures as a basis for the annual review with the retailer's buying team.
How often do German DIY retailers change prices, and how available are brand products in store? Our DIY Retail Monitor October 2026 has the figures for Hornbach, OBI, Bauhaus and toom.
Frequently asked questions
What is watch.diy?
watch.diy is a retail data product for the German DIY (home improvement) market, run by Watch AI GmbH in Berlin. It observes listing status, prices and in-store availability of your brand's products and your competitors' products at Hornbach, OBI, Bauhaus and toom, per SKU and per store, every day.
Which retailers and stores does watch.diy cover?
Hornbach, OBI, Bauhaus and toom with 914 open stores in Germany together. hagebau and Globus Baumarkt are in preparation. Product groups today: cordless power tools, hand tools, garden and fixings; others on request. A typical brand has 80–500 SKUs observed.
How often is the data updated?
Daily. Prices, in-store availability and listing status are observed every day per SKU and store, so competitor price promotions and regional out-of-stock patterns show up before the next review meeting with the retailer.
Who is watch.diy for?
Manufacturers selling into German DIY retail: key account management, pricing, DIY sales and assortment teams. watch.diy is focused exclusively on the German DIY market.
How is watch.diy different from classic market research?
Classic market research projects panel samples to category and regional level, usually quarterly and across many channels. watch.diy observes every single SKU in every store, daily, in German DIY retail only. For strategic cross-channel planning, classic market research remains useful.
In which formats is the data delivered, and what does it cost?
As Excel, CSV and PDF exports, for example as a briefing for key account meetings or as a quarterly report; API access is available on request. The pilot costs €9,500 for 6 months: one product category, all four retailers, all stores, no renewal obligation, plus VAT. Onboarding takes 5 working days.
Watch AI GmbH · Fasanenstraße 41, 10719 Berlin, Germany · contact@watch.diy