case study

Unsubscriber

Industry

Privacy & Productivity Tools

Year

2025

Unsubscriber is a privacy-focused web application that helps users reclaim their inbox and time by efficiently managing email subscriptions. The platform empowers users to quickly identify, review, and unsubscribe from unwanted newsletters and promotional emails, all while maintaining strict privacy standards with local processing and no data retention.

    Services

  • UI/UX
  • Web Development
  • Privacy Engineering
  • Email Integration

    Technology used

  • Swift
  • SwiftUI
  • Google Sign-In SDK
  • Gmail API
Image unsubscriber-hero.png

"

At Xfaang, we care deeply about privacy and time. Everyone deserves more of both.

Piotr Zientara

Piotr Zientara

Co-founder

Xfaang

Project

Challenges

Inbox overloadUsers receive countless unwanted newsletters and promotional emails, making it difficult to find important messages.
Time-consuming manual unsubscribeUnsubscribing from each mailing list individually is tedious and time-consuming, often requiring multiple clicks and confirmations.
Privacy concerns with email accessUsers are hesitant to grant third-party services access to their email accounts due to privacy and security concerns.
Hidden unsubscribe linksMany newsletters make unsubscribe links difficult to find or use dark patterns to discourage unsubscribing.

Applied

Solutions

Intelligent Email AnalysisAutomatically scans and categorizes subscription emails, identifying newsletters and promotional content with smart detection algorithms.
One-Click Bulk UnsubscribeStreamlined interface allowing users to review and unsubscribe from multiple mailing lists simultaneously with a single action.
Privacy-First ArchitectureAll email processing happens locally or in secure temporary sessions with OAuth authentication. No email content is stored or retained after processing.
Smart Unsubscribe DetectionAdvanced parsing to locate and extract unsubscribe links from emails, even when hidden in footers or formatted in non-standard ways.

Results

  • Unsubscriber helps users save hours of manual work by automating the identification and unsubscription process for unwanted emails.
  • The platform has been designed with privacy as a core principle, ensuring users can clean their inbox without compromising their data security.
  • With its intuitive interface and efficient processing, Unsubscriber empowers users to take back control of their inbox and reclaim valuable time.

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