Spotter
Spotter identifies rocks, minerals, crystals, gemstones, and fossils from a photo — with detail on how they form and where they occur — and it also covers the plants, animals, and fungi you pass while you are out looking for them.
Rock Identifier Apps
Dedicated rock identifier apps recognize rocks, minerals, crystals, and gemstones from a photo, typically on a subscription with a limited free trial. They are focused tools that identify geology only.
Feature Comparison
Spotter is best for
- Rockhounds who also notice the plants, animals, and fungi around them
- Hikers and travelers who want one app for every kind of find
- Anyone who prefers a lifetime unlock over another subscription
Rock Identifier Apps is best for
- Collectors who want a single-purpose geology database
Our Verdict
A dedicated rock app may go deeper on pure geology, but it does only rocks and usually charges a subscription. For rockhounds who also hike, Spotter identifies minerals, crystals, and fossils alongside all of living nature, with a free tier and a one-time lifetime option.
Try Spotter free
5 free identifications every day. Identify plants, animals, fungi, rocks, and more — all in one app.