Organise your locomotives and wagons, explore a database of 6,000+ models spanning 1935 to 2026, and connect with passionate collectors from around the world.
Real reviews left on the App Store and Google Play.
It has never been easier
Märklin MUST HAVE
Richtig hilfreiche App
Echt klasse
Very useful, easy to use and tidy graphics.
Practical, very useful.
Coole App mit einer riesigen Datenbank an Bildern.
Perfect to keep track of our collection and to connect with other collectors.
From cataloguing your first locomotive to buying from a collector across the world — klinnect covers every part of the hobby.
Browse the full Märklin HO catalogue from 1935 to 2026. Filter by era, operator, power type, and year. Every model documented in one place.
Explore the catalogueAdd models with quantities, notes, and values. Build train consists with the generator, manage your wishlist, and export your full inventory to PDF.
Manage your collectionShare your collection on the feed, connect with collectors globally, and buy or sell models directly — no commissions, no middlemen.
Meet the communityScan Märklin model boxes (post-1990) with your camera and add them to your collection instantly. Available in the iOS and Android app.
Get the appPoint your phone at any Märklin box barcode from 1990 onwards — klinnect identifies the model instantly. No more manual searching.
* Barcode scanning requires the mobile app (iOS or Android).
Keep a full maintenance history for each locomotive — right inside your collection. With the matching service manual as a PDF, one tap away.
Step-by-step walkthroughs — from your first sign-in to a fully managed collection.
Automatically build realistic train configurations from your own Märklin HO collection. Filter by era, power type, and operator — or assemble your dream consist manually and save it for later.
Märklin, founded in Göppingen in 1859, revolutionised model railroading by introducing the HO scale in the 1930s. Their precision-engineered locomotives became the gold standard for collectors worldwide — capturing the character of real railways in miniature form.
klinnect is built to honour that legacy. Whether you're a seasoned collector with hundreds of models or just discovering the hobby, this platform gives your collection the home it deserves.
Everything collectors ask before signing up.
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