DoNotNotify: Android App Filters Promotional Notifications

Your phone buzzes. It's your banking app. Again. Not about suspicious activity. A promotional offer. The third one this week. You can't disable the app's notifications entirely. You actually need alerts for important transactions. But you're drowning in marketing noise disguised as critical updates. Sound familiar? This exact frustration drove the creation of DoNotNotify, an Android app that surfaced on Hacker News in early 2026. Within weeks, it became something more interesting than just another notification manager. It became a case study in developer transparency, AI-generated code in open source, and the fundamental architectural problems with Android's notification system. Industry reports show Android's notification ecosystem has become aggressive enough that apps bypass platform permissions using obscure audio settings, forcing users to install third-party blockers like FilterBox just to regain basic control. According to the Hacker News discussion , the platform that was suppo