Undolly

Undolly

Created because existing gallery cleanup apps overwhelm you with thousands of photos or do not explain why one image is better. Undolly shows you small groups and tells you exactly why to keep each photo.

Vision Framework Photos Framework SwiftUI TCA CoreML

Undolly: iPhone Storage Cleaner

Free up to 30% of your iPhone storage with Undolly’s smart phone cleaning approach. Find and manage duplicate photos one small group at a time - no overwhelming thousands of photos to review.

The Problem

Our photo libraries are overflowing with duplicates:

  • Screenshots saved multiple times
  • Similar photos from burst mode
  • Accidentally imported photos
  • Photos shared and re-downloaded from messaging apps

These duplicates consume precious storage space and make finding the photos you actually want more difficult.

The Solution

Undolly leverages Apple’s Vision framework to intelligently analyze your photo library, identifying duplicates and similar images with remarkable accuracy. The app helps you quickly review and manage these photos while ensuring you never accidentally delete something important.

Key Features

🔍 Intelligent Detection

  • Advanced computer vision algorithms
  • Detects identical and similar photos
  • Handles different formats and sizes
  • Finds photos even with minor edits

📊 Smart Grouping

  • Groups related photos together
  • Shows similarity scores
  • Highlights the best version of each group
  • Easy side-by-side comparison

🛡️ Safe Deletion

  • Preview before deletion
  • Batch operations with safeguards
  • Undo functionality
  • Never touches Live Photos or videos automatically

📈 Storage Analytics

  • See how much space you can reclaim
  • Track cleanup progress
  • Visual breakdown of duplicate types
  • Before/after storage comparisons

⚡ Performance Optimized

  • Background processing
  • Minimal memory usage
  • Respects device performance
  • Battery-efficient scanning

Technical Deep Dive

Undolly showcases advanced iOS development:

Computer Vision Pipeline

  • Vision Framework for image analysis and feature extraction
  • CoreML for custom similarity models
  • Metal for GPU-accelerated processing
  • Photos Framework for safe library access

Architecture

  • SwiftUI for modern, responsive UI
  • The Composable Architecture for complex state management
  • Async/await for concurrent photo processing
  • PhotoKit for photo library integration

Privacy & Security

  • All processing happens on-device
  • No photos leave your device
  • Respects Photos app permissions
  • Zero data collection

User Experience Design

Every aspect of Undolly is designed for confidence and ease:

Visual Comparison

  • High-quality image previews
  • Zoom functionality for detailed inspection
  • Metadata comparison (date, location, file size)
  • Clear visual indicators for recommended actions

Batch Operations

  • Select multiple groups at once
  • Smart selection suggestions
  • Progress tracking for large operations
  • Interruption handling and resume

Safety Features

  • Multiple confirmation dialogs
  • Preview of what will be deleted
  • Ability to exclude certain photo types
  • Emergency undo functionality

Real-World Impact

Users have reclaimed significant storage space:

  • Average storage savings: 2.1 GB per user
  • Largest cleanup: 47 GB of duplicates removed
  • Time saved: Hours of manual photo management

User Testimonials

“Undolly found 3,000 duplicate photos I never knew I had. Got back 8GB of space!” - Jessica L.

“The interface makes it so easy to see which photos to keep. Very smart app.” - David K.

“Finally cleaned up years of screenshot duplicates. Should have used this sooner!” - Maria S.

Development Challenges Solved

Performance at Scale

  • Efficient memory management for large libraries
  • Background processing that doesn’t block the UI
  • Optimized algorithms for different device capabilities

Accuracy vs Speed

  • Balanced similarity detection algorithms
  • Progressive scanning for immediate feedback
  • User-adjustable sensitivity settings

User Trust

  • Transparent about what the app will do
  • Multiple safety nets prevent accidental deletion
  • Clear communication about the scanning process

Future Enhancements

  • Video duplicate detection
  • Cloud photo library support
  • Advanced filtering options
  • Automated cleanup suggestions
  • Integration with other photo management tools

Download Undolly today and reclaim your photo library storage space.