Founder of Treuli

Daniel Gläser

Daniel Gläser founded Treuli and develops the platform with Gläser IT-Solutions in Chemnitz, Germany. He writes about customer loyalty for local shops.

Writes about

Getting started
Loyalty in everyday business
Wallet & technology
Law & data protection
Food & drink
Retail
Services
Digital loyalty cards
Appointment booking
Customer stories

Articles by Daniel Gläser

Guides

Create an Apple Wallet loyalty card without a developer
Step-by-step guide: set up an Apple Wallet loyalty card for your business under your shop's name, without programming and without your own app.
6 min readOctober 6, 2026In German
Loyalty card app for small businesses: start for free
The best loyalty card app for small businesses: what it must do, what it may cost and how to get started in a few steps.
5 min readOctober 6, 2026In German
Digital loyalty card: benefits, costs and how it works in 2026
How digital loyalty cards work: benefits, costs, GDPR and the key steps when switching from paper to digital points.
5 min readOctober 6, 2026In German
Digital loyalty card vs. paper card: 7 reasons to switch
7 concrete reasons why digital loyalty cards beat paper cards in cafés, bakeries and retail. Plus practical tips for switching.
6 min readOctober 6, 2026In German
Café customer loyalty: 12 measures with practical examples
Twelve vendor-neutral measures, practical examples and metrics that help cafés win repeat visits and bring regulars back.
7 min readOctober 6, 2026In German
Measuring customer loyalty: 8 KPIs every local business should know
The 8 most important KPIs for measuring customer loyalty: return rate, customer lifetime value, redemption rate and more, with benchmarks.
6 min readOctober 6, 2026In German
Reduce no-shows: 7 proven measures for salons, practices and restaurants
Every missed appointment costs revenue. How to cut no-shows in hair salons, medical practices and restaurants: automatic reminders, incentives to show up, clear cancellation deadlines.
7 min readOctober 6, 2026In German
QR code loyalty program: how customer loyalty works with a scan
How QR code loyalty programs work: print the receipt, scan it, collect points. The whole process, explained with concrete examples.
8 min readOctober 6, 2026In German
Digital loyalty card and GDPR: what you need to know (with checklist)
GDPR-compliant loyalty cards: what you must cover on data processing, consent, export and deletion. With a 10-point checklist.
6 min readOctober 6, 2026In German
Loyalty rewards: welcome bonus, birthday bonus or referrals – what works?
Which loyalty rewards work? We compare welcome bonuses, birthday bonuses, referral programs and regular-customer tiers based on practical experience.
7 min readOctober 6, 2026In German
Create a loyalty program: step-by-step guide for local businesses
How to build an effective loyalty program: goals, rewards, communication and measurement. Step by step for retail, hospitality and service providers.
6 min readOctober 6, 2026In German
TSE QR code on the receipt: requirement, contents and uses
What the TSE QR code on a German receipt contains, whether it is mandatory in Germany and Austria, and how it can power a loyalty program.
5 min readOctober 6, 2026In German
Create a Google Wallet loyalty card without a developer
The two ways to a Google Wallet loyalty card (your own API integration or a ready-made solution), step by step with Treuli and what customers see.
4 min readSeptember 28, 2026In German

Industries

Bakery loyalty program: collect digital points via the receipt
Digital customer loyalty for bakeries: QR code on the receipt, early-morning campaigns in the app and by push (from the Starter plan also by email), bread rewards. Live in a few steps.
6 min readOctober 6, 2026In German
Florist loyalty card: Valentine's Day and regular customers
Digital customer loyalty for florists: Valentine's Day campaigns, birthday bouquet rewards and sensitivity around funeral flowers. GDPR-compliant.
6 min readOctober 6, 2026In German
Café loyalty program: ready in a few steps
Launch Treuli's loyalty program in your café: QR code on the receipt, points and rewards, no mandatory app and no extra hardware.
7 min readOctober 6, 2026In German
Digital loyalty card for retail: goodbye paper cards
Digital loyalty card for retailers and boutiques: QR-code-based rewards, Black Friday campaigns and no more paper cards.
6 min readOctober 6, 2026In German
Digital points system for ice cream parlours: the 10th scoop free
Loyalty program for ice cream parlours: seasonal campaigns, a bonus scoop after 10 receipt points, manual campaigns on heatwave days. GDPR-compliant, app optional.
6 min readOctober 6, 2026In German
Gym member retention: a loyalty program against cancellations
Digital customer loyalty for gyms: check-in points, trial-month rewards and cancellation prevention through targeted campaigns.
7 min readOctober 6, 2026In German
Hair salon loyalty card: reward regulars without paper
Digital customer loyalty for hair and beauty salons: a free haircut after X visits, appointment push notifications, Mother's and Father's Day campaigns.
8 min readOctober 6, 2026In German
Restaurant loyalty program: keep guests coming back
Digital customer loyalty for restaurants: points per receipt, a birthday gift, reservation reminders. QR code instead of a paper card.
7 min readOctober 6, 2026In German

Comparisons

Digital loyalty cards: 8 providers compared in 2026
Eight digital loyalty card providers compared side by side: prices, Wallet, hosting, app requirement and use cases for a sound decision.
6 min readOctober 6, 2026In German
Treuli vs. Hillcard: transparency and setup compared
Hillcard or Treuli? We compare white-label options, prices, self-service setup and GDPR compliance.
5 min readOctober 6, 2026In German
Treuli vs. Loopy Loyalty: the German alternative with EU hosting
Loopy Loyalty or Treuli? Compared: hosting location, GDPR, prices, a loyalty card in the browser instead of Wallet only, and language.
5 min readOctober 6, 2026In German
Treuli vs. Stamsy: features and prices compared
Stamsy or Treuli? We compare features, campaign and push quotas and prices of both platforms. With an honest recommendation.
5 min readOctober 6, 2026In German
Treuli vs. Stempely: which digital loyalty card suits you?
Treuli vs. Stempely compared: features, prices, Wallet integration, GDPR. Everything side by side, with a clear recommendation for local businesses.
6 min readOctober 6, 2026In German
Treuli vs. Treatwell: Own-Brand Loyalty vs. Marketplace Booking
Treatwell combines a salon marketplace with booking software. Treuli is the own-brand loyalty system. The tools can complement each other. Direct comparison of pricing, commission, GDPR and features.
10 min readOctober 6, 2026

Customer stories

'n Eis zapfen
An ice cream shop in Central Saxony, three locations, self-serve at the soft ice machine. How Ronny and Annett keep their regulars with Treuli and why they wanted a system they can set up and change themselves.
3 min readOctober 6, 2026

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