If you need similar auto-collage features, consider:

: Instantly arranges dozens of photos into a balanced layout while maintaining focal points. High-Resolution Output

Features an auto-layout engine that allows users to drag and drop images and have them instantly arranged.

The software is built around a non-destructive editing workflow that allows users to create complex layouts using a simple interface.

Provides interactive tools for gamma, brightness, and contrast adjustments without affecting the original image files. Comparison of Versions Scrapbook Essentials Target User Basic hobbyist Enthusiast Professional Max Output Size PSD Layered Export Auto-Collage Advanced/Multi-page