No Registration
Whether you use the app or your browser, the key advantage is simple: no registration required — just open and start.
Make every coffee count.
Strudl replaces paper stamp cards with a digital experience. Collect rewards across cafés, discover new spots, and build your personal collection of café and coffee moments.
9 coffees
to unlock one reward
Cross-café
collect across participating spots
Your collection
browse your café collectibles
Strudl
Vienna · 12 cafés
Your stamp card
8 of 9 coffees collected. One more and you unlock your next reward.
Your collection
12 cafés visited
4 badges
Build your personal map of Vienna's independent café scene, one stamp at a time.
Nearby cafés
Open now
Nearby
Café Central
3 stamps
8 min away · 1010 Vienna
Simple for users. Valuable for cafés.
Scan and collect
Use your phone to collect digital stamps instead of carrying paper cards that get lost, forgotten, or thrown away.
Unlock rewards
Reach your coffee goal and redeem a free drink at your next visit — no paper vouchers, no hassle.
Transparency behind the coffee.
Strudl is built on trust. Here's exactly how every euro your café partners spend is used. Hover any slice to see the breakdown.
Updated monthly · April 2026
Total monthly inflow
Difference (2.000 €) goes into our reserve buffer.
38.000 €
These numbers reflect April 2026 spend across our Austrian GmbH operations. We update this section every month. Have questions? Read our methodology →
Our mission.
Support the independents
Every stamp collected on Strudl goes to a café that chose to stay small and local. We build tools that help them compete — without losing what makes them special.
Reduce waste, zero effort
Paper loyalty cards end up in the bin. We replace them with a lightweight digital experience that's better for customers and kinder to the planet.
Build real community
Loyalty shouldn't be transactional. Strudl turns your coffee routine into a network — connecting curious coffee drinkers with the places and people behind their cup.
Explore cafés across Vienna.
For independent cafés.
Less waste
No more printing, distributing, or disposing of paper stamp cards. Go fully digital in minutes.
More retention
Keep your regulars coming back with a loyalty experience that travels with them — even across other cafés in the network.
More insight
Cleaner data, real visit counts, and a direct line to community-minded coffee drinkers who actively seek out independent spots.
Join early. Shape Strudl.
Whether you love discovering cafés, care about smarter loyalty, or want your coffee routine to support something bigger, this is where it starts.
For users
You're on the list — we'll be in touch!
Something went wrong. Email us at hello@strudl.app
For cafés
Partner with Strudl