Fieldguide for Everything is a comprehensive, crowd-sourced compendium available on iPhone. It serves as a pocket field guide, offering features akin to a natural and cultural encyclopedia. Users can identify species by uploading nature photos, which are then analyzed to suggest possible identifications. These suggestions can be further verified by experts for accuracy.

Additionally, the app allows users to record their observations, organizing them into a dynamic checklist. As taxonomic treatments evolve, the records automatically update to reflect the changes. Users can showcase their collection data, contributing to a deeper understanding of flora and fauna morphology, phenology, and distribution. Moreover, connecting with fellow enthusiasts is facilitated through the app, enabling users to follow individuals who share similar curiosities and interests.