Collectr

• Create multiple collections
• Maintain wishlists
• Write notes
• Check interesting collection statistics
• Extensive customization
• Import/export capabilities

Collectr is completely free, requires no registration, and collects no user information. Organize and maintain your valuable collections in this useful and easy-to-use app.

Collectr is a generalized version of "K library", a kpop album collection tracker written by the same developer. Collectr includes new features, updated UI, and support for multiple collections.