Identify 130 species of macroalgae from the Pacific Northwest with illustrated, jargon-free questions. Features over 300 photos, taxonomic details, and descriptions. Content is updated frequently and available offline.
26.01.10
January 12, 2026
New in Version 26.01.10: - Updated names of Nemalion elminthoides, Mariprasiola sp., and Caulacanthus okamurae - Added Chaetomorpha aerea - Added Mazzaella japonica - Updated the constraints affecting species names in Sorting results list
MoreSeaweed Sorter is a paid app, priced at $3.99. This one-time purchase grants you access to all its features and content.
No, Seaweed Sorter does not contain advertisements. It is a completely ad-free experience for users.
The app's content is designed to be updated frequently, with the latest version released on 2026-01-12. Updates will include taxonomic revisions, new species, and additional photos.
Yes, Seaweed Sorter provides offline content access. This makes it an excellent companion for trips to the coast where internet service may be unavailable.
Seaweed Sorter is currently supported on iPhone and iPod devices. It is designed for iOS platforms.
Seaweed Sorter has an age rating of 4+. This indicates it is suitable for young children and up, with content that is generally appropriate.
The content for Seaweed Sorter was curated by Dr. Patrick Martone, a Professor of Phycology at UBC. His expertise ensures the accuracy of the taxonomic and ecological descriptions.
Unlike printed dichotomous keys that use jargon, Seaweed Sorter uses easy-to-understand, illustrated questions. It assumes no prior knowledge and allows users to skip questions, making identification more accessible.
