ReFra — Open Source Gallery App

ReFra is a modern, open-source media gallery for Android built with Jetpack Compose. It refracts how you browse, organize, and experience your photos and videos — with AI-powered categories, panorama viewing, motion photo playback, video casting, and a fully customizable Material 3 interface.

 

Features

• Media Timeline with date-grouped photos and videos
  • Grid and mosaic layout modes
  • Smooth scrolling with optimized thumbnail loading
  • Smart grouping for RAW+JPG pairs, burst shots, and edited copies
• 360° Panorama & Photosphere Viewer
  • OpenGL-powered spherical and cylindrical projections
  • Touch and gyroscope navigation with compass overlay
• Motion Photo Playback
  • Detects Google Motion Photos, Samsung Live Photos, and Micro Videos
  • Interactive filmstrip scrubber with haptic feedback
• FCast Video Casting
  • Cast videos and images to devices on your local network
  • mDNS device discovery with remote playback controls
• AI-Powered Categories & Search
  • On-device CLIP-based image classification with customizable categories
  • Natural language search and image-to-image similarity search
  • Optional AI model downloads — not bundled, installed on demand
• Location Map Viewer
  • Interactive MapLibre map with clustered photo markers
  • Browse geotagged media by location
• Smart Search with Discovery
  • Carousels for categories, locations, media types, camera models
  • Special mode filters: night shots, long exposures, panoramas
• Custom Color Palettes
  • Pick from wallpaper-derived or preset color schemes
  • Live preview with full Material 3 theme generation
• Albums with Groups, Collections, and Merge by Name
• Multi-Select with configurable action sheet and right-align option
• Sortable and pinnable albums
• Encrypted Vault with gate authentication, custom passwords, and biometric unlock
• Built-in Photo Editor with markup, crop, filters, and edit backups
• Custom Video Player powered by Media3 ExoPlayer with frame-accurate seeking
• Auto-contrast viewer enhancement (Beta)
• Full EXIF and metadata viewer
• Google Sans typography and modern Material 3 design
• Open Source (Apache-2.0) with active development