Themify: Theme & Icon Changer by AIBY Inc. positions itself as a comprehensive customization solution for Android users seeking to transform their device's visual interface. The application serves as a centralized hub for home screen personalization, competing in the crowded theme market with its combination of static and dynamic customization options. The app's core functionality revolves around four main components: theme packs that coordinate wallpapers with matching icon sets, individual high-resolution wallpapers across multiple categories, live wallpapers with motion effects, and custom widget integration. The icon changer feature allows users to apply themed icon packs without requiring third-party launchers, though functionality may vary by device manufacturer and Android version. The content library demonstrates notable breadth, with particular emphasis on religious and aesthetic themes according to user feedback. User experience varies significantly based on device compatibility. The interface employs a card-based design with categorized browsing, though some users report inconsistent performance on older Android versions. Real-world usage patterns suggest most users engage with the app for seasonal retheming or creating mood-based setups, with the preview functionality allowing visualization before application being particularly valued. User feedback analysis reveals polarized experiences, with multiple five-star reviews praising the religious content availability and premium feature accessibility. As Chidera Manafa noted on June 1, 2025: 'They have amazing screens, even for Christians or people of religion.' However, the 3.9 aggregate rating indicates some users experience technical issues or find the freemium model limitations frustrating. The application's primary strength lies in its specialized content categories and live wallpaper integration, though performance inconsistencies and occasional advertisement intrusions present limitations. Themify proves most valuable for users seeking religious-themed content or those wanting to experiment with home screen customization without committing to a full launcher replacement.