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Notification Center: Voucher Delivery for Mobile Apps
Personalized voucher distribution enabling targeted campaigns, improved conversion, and stronger customer engagement.
300K users
reached through integrated push campaigns.
In-app vouchers
drive targeted engagement and conversion.
Technologies
CRM SDK
Swift
Kotlin
Push Notifications
Expertise
Mobile app development
Integrations
Client Overview
Zalando
Zalando is one of Europe’s leading online retail platforms with 51 million active users across 25 markets. Headquartered in Berlin, Zalando specializes in fashion and lifestyle, managing a high-volume digital ecosystem with global reach.
Industries
Retail, E-commerce, Fashion
Headquarters
Berlin, Germany
Company size
10,000+ employees
Challenges
Delivering Personalized Incentives Inside the App
Zalando aimed to extend its Notification Center into a high-impact engagement channel by enabling voucher delivery directly within the app experience.
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Complex redemption flows
Voucher usage required seamless UX, including eligibility visibility, product browsing, and frictionless checkout application.
Diverse campaign needs
Multiple voucher types required a flexible system to support different targeting strategies and promotional formats.
Push and in-app alignment
Campaign messaging needed to remain consistent between push notifications and in-app content to avoid user confusion.
Reusable architecture requirement
The solution needed to support future in-app messaging campaigns, not just a single implementation.
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Let’s build personalized engagement experiences that convert.
Why They Chose Us
Proven Expertise in Mobile Engagement Platforms
Zalando chose Zoolatech for its ability to deliver scalable mobile features tightly integrated with CRM systems and marketing workflows.
Mobile-first engineering
Deep experience building high-quality mobile features that integrate seamlessly into existing app ecosystems.
CRM-driven experiences
Strong capability in connecting CRM platforms with in-app functionality to enable personalized, real-time engagement.
Zoolatech is a senior-heavy engineering firm with Silicon Valley roots and a Miami HQ, specializing in legacy modernization, system re-architecture, and AI deployment to drive long-term, compounding value.
2017
Year Founded
600+
Employees
96%
Client Satisfaction
Workflow
Structured Approach to Feature Delivery
A phased approach ensured seamless integration with Zalando’s mobile apps and CRM ecosystem.
Phase 1
Discovery and design
Defined voucher flows, UX requirements, and CRM integration points.
Phase 2
Architecture setup
Designed reusable voucher delivery and redemption components for scalability.
Phase 3
Implementation
Developed Notification Center voucher cards, redemption flows, and campaign integrations.
Phase 4
Validation and testing
Ensured consistent behavior across platforms and validated campaign flows end-to-end.
Phase 5
Campaign enablement
Enabled CRM teams to launch targeted voucher campaigns across user segments.
The Notification Center voucher system drove higher engagement, increased conversions, and enabled targeted campaigns at scale.
Solution
Voucher Delivery and Redemption Architecture
Zoolatech delivered an end-to-end solution enabling personalized voucher experiences within the Notification Center.
Voucher display cards
Rich notification entries present offer details, expiration, and clear calls to action.
Eligible items flow
Users can browse applicable products directly from the notification, improving conversion paths.
One-tap voucher apply
Streamlined redemption allows users to apply vouchers instantly during checkout.
Results
From Campaign Messaging to Revenue Impact
The new capability transformed the Notification Center into a high-value engagement and conversion channel.
300K users reached
Push-integrated campaigns delivered vouchers to a large, targeted user base.
Expanded campaign types
Supports birthday offers, gift card balances, and category-specific promotions.
Reusable foundation
Architecture serves as the baseline for future in-app messaging and personalization initiatives.
Business Value
A Foundation for Scalable Personalization
Zalando now has a flexible engagement layer supporting advanced CRM strategies and customer lifecycle management.
Customer retention
Personalized vouchers improve re-engagement and strengthen loyalty programs.
Future-ready engagement
Foundation supports expansion into loyalty tiers, event-triggered incentives, and deeper personalization.
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