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My iOS app unexpectedly went viral in Germany, exactly a week after launching

r/SideProject
8/15/2025

Content Summary

The post discusses an iOS app called 'CleanLinks' that unexpectedly went viral in Germany after being launched a week earlier. The author attributes this surge in downloads to recent news articles in German media outlets warning about 'quishing' (QR code phishing). The app is a free privacy tool designed to remove trackers from URLs and warn users about malicious QR codes. The author also mentions legal concerns regarding the lack of an 'Impressum' (imprint) on the German version of the website, which they have since addressed. The post highlights the importance of community engagement, open-source collaboration, and organic growth strategies in building a successful SaaS product.

Opinion Analysis

Mainstream opinion among users was that the app's success in Germany was due to its relevance to data privacy concerns and the timing of news coverage. Many users praised the app for its useful functionality and appreciated the author's openness to collaboration and feedback. Some users expressed concern about the legal implications of not having an Impressum on the German website, emphasizing the need for compliance. A few users debated whether creating a new app was necessary when existing solutions like URLCheck already existed, but the author explained that their approach had more comprehensive rules. Overall, the discussion highlighted the value of addressing real user needs and leveraging community support for growth.

SAAS TOOLS

SaaSURLCategoryFeatures/Notes
CleanLinkshttps://cleanlinks.app/dePrivacy AppFree app that removes trackers and warns about quishing (QR code phishing)
ClearURLshttps://github.com/ClearURLs/RulesOpen Source URL CleanerUsed by URLCheck, has minimal ruleset
URLCheckhttps://github.com/TrianguloY/URLCheckOpen Source URL CleanerAndroid app for removing tracking URLs
TidyURLhttps://github.com/DrKain/tidy-urlURL CleanerRuleset used as a basis for the app's custom rules
CleanQRhttps://play.google.com/store/apps/details?id=ch.disd.cleanqrQR Code CleanerAndroid version of the app mentioned by u/DisDoh

USER NEEDS

Pain Points:

  • Concerns over data privacy and tracking on mobile apps
  • Vulnerability to quishing (QR code phishing)
  • Lack of transparency in how apps handle user data
  • Legal compliance issues when targeting German-speaking audiences

Problems to Solve:

  • Preventing tracking via URLs and QR codes
  • Ensuring compliance with German legal requirements like imprint (Impressum)
  • Building trust with users through transparency and security

Potential Solutions:

  • Developing open-source tools for URL and QR code cleaning
  • Adding privacy-focused features to apps
  • Providing clear and compliant website content for targeted regions

GROWTH FACTORS

Effective Strategies:

  • Leveraging organic virality through relevant content and timing
  • Reaching out to niche communities (e.g., r/iosapps, r/apple)
  • Responding to user feedback and improving features based on community input

Marketing & Acquisition:

  • Getting featured in local German media outlets
  • Utilizing social media and community forums for visibility
  • Creating a free product that solves a real problem

Monetization & Product:

  • Choosing a free model with no monetization plans initially
  • Focusing on user satisfaction and trust over immediate revenue
  • Building a product that aligns with user values (privacy, security)

User Engagement:

  • Encouraging community contributions and collaboration (e.g., open-source development)
  • Engaging with users in discussions and responding to their concerns
  • Building a transparent and trustworthy brand image