Best of Flutter — July 2025

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   Video

   YouTube·41w

   How I Built It: $15K/month Mobile App

   Sebastian Ro built a habit tracking mobile app called Habit Kit that generates $15,000 monthly recurring revenue. After quitting his programming job with 12 months of runway, he initially struggled but eventually found success by focusing on app store optimization, building in public on social media, and creating a simple, privacy-focused app using Flutter. The app has reached 300,000 downloads and ranks in the top 5 for habit tracker keywords across multiple countries. Key strategies included strategic keyword placement, prompt user review requests, low-budget Apple Search Ads, and authentic social media engagement.

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   Article

   Medium·37w

   Flutter’s Dirty Little Secret: How to Cut Your Build Time in Half (2025 Guide)

   Five practical techniques to significantly reduce Flutter build times without requiring architectural changes. The guide covers using dart-define flags for faster debug builds, enabling parallel dependency downloads, optimizing Gradle settings, explicitly listing assets to avoid bundling unnecessary files, and using DevTools to identify build bottlenecks. These optimizations can cut build times from over 3 minutes to under 90 seconds and make Hot Reload nearly instant.

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   Article

   Medium·41w

   Using Gemma for Flutter Apps

   Gemma 3N enables on-device AI capabilities in Flutter apps through the flutter_gemma package, offering offline functionality, enhanced privacy, and no server costs. The tutorial demonstrates building an offline menu translator that can process both text and images locally on mobile devices, covering model downloading from Hugging Face, chat instance creation, and real-time response generation without internet connectivity.

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