Arca.so vs Shade Shelf

Arca is your portal for browsing and curating the internet. Each piece you curate teaches Arca to intuitively guide you to content that informs, empowers, and inspires. Connect with others’ minds, see through different lenses, and discover unheard voices. Make the internet feel yours.

Shade Shelf is the social home for your nail polish collection. Keep a Shelf of every polish you own, share your manicures with friends, and never lose track of a shade you loved. When you spot a color you can't live without — on a friend's nails, in a photo, anywhere — Shade Match finds the closest real polishes in seconds. YOUR SHELF Build a beautiful record of your collection. Add shades in seconds with search-as-you-type, or add rare and indie polishes manually. Hearting a shade anywhere in the app puts it on your Shelf. SHARE YOUR MANIS Post your manicures, tag the exact shade you're wearing, and let friends tap straight through to it. Like, comment, and save the looks you love. SHADE MATCH Open any photo — yours or a friend's post — and Shade Match reads the nail color and ranks the closest matches from 4,400+ real shades across 27 brands. Not quite right? Tap the exact spot in the photo. Filter matches to just the brands you own. TRENDS See the most-loved manicures across the community and find your next color. SEARCH 4,400+ SHADES Browse the shade database by color family, finish — creme, shimmer, glitter, jelly and more — and brand, with a true-to-life swatch for every shade. A KIND COMMUNITY Shade Shelf is built to stay a friendly corner of the internet: report and block tools on every post and comment, and reported content comes down immediately. Your collection deserves a home. Come shelve with us.