Primo Rocks: Rock & Crystal ID

Found a cool stone? Point your camera and know its name, story and value in seconds. Rocks, crystals, gems, minerals and fossils, all in your pocket.

Ever picked up a stone and wondered what it was? Primo Rocks is your pocket geologist. Take one photo and our AI identifies any rock, crystal, mineral, gemstone or fossil in seconds, then tells you its story, its estimated value and where in the world to find more.

IDENTIFY ANY ROCK IN SECONDS Point your camera at any stone and get an instant identification with a confidence check, full physical properties and reference photos to compare.

KNOW WHAT IT IS WORTH Every identification comes with an estimated market value, so you know if your find is a keeper.

EXPLORE A BEAUTIFUL CATALOG Browse gemstones, minerals, rocks and fossils in a rich catalog with warm, story style descriptions written for curious minds.

• Locality maps: see where each specimen is found around the world • Mohs hardness: scratch resistance and physical properties at a glance • Lore and meaning: the myths, history and crystal meanings behind every stone • Rock of the Day: a fresh specimen with a new story every morning

BUILD YOUR COLLECTION Save your finds into folders, keep a wishlist of stones you want to hunt next and watch your collection grow.

PERFECT FOR • Rockhounds and amateur geologists • Crystal lovers curious about meanings • Beachcombers, hikers and families with curious kids • Fossil hunters • Anyone holding a mystery stone right now

PRIVACY FIRST No account needed. Your scans and collection stay on your device.

Download Primo Rocks and turn every walk into a treasure hunt.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/