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Wonder Rock iOS app icon — rock & crystal identification

Wonder Rock - Crystals & Gems

Identify stones from a photo, learn how they formed, save finds to a digital vault, and pin discoveries on your personal field map

★★★★★ 4.8 (4,724 reviews)
1.3M+ downloads
Lifestyle

About This App

Wonder Rock turns curious picks off the trail into real geology: snap any rock or crystal, get a careful identification tuned for minerals and formations, then read context that connects texture and color to how the Earth built it.

Save specimens to a clutter-free digital collection with notes, drop pins where you found them on an interactive map for your next hike, and explore why each stone matters—from volcanic histories to practical uses—without juggling guidebooks and spreadsheets.

Key Features

Rock identification

Photograph any specimen and get a geology-tuned ID in seconds—whether it looks like granite, slate, limestone, or something rarer hiding in your palm.

Rock knowledge

Each match ships with current science—how it formed, what minerals it carries, and how it fits into Earth history—not just a one-word label.

Digital collection

Save identified rocks into a private vault—add notes, sort by type or trip, and revisit favorites without cluttering shelves at home.

Map-based field journal

Automatically pin where each rock was found on an interactive map—your personal hunting log for riverbeds, ridges, and desert pulls worth revisiting.

Value & story beneath the surface

Connect textures to volcanic arcs, ancient seabeds, resource potential, or everyday uses—from construction to climate clues—with clear, science-led framing.

Built for the outdoors

One toolkit for hikes, classrooms, and weekend digs—identify, learn, collect, and navigate back to promising spots when research and terrain align.

Wonder Rock iOS screenshot — identify rocks from camera
Wonder Rock screenshot 1 — rock photo identification
Wonder Rock screenshot 2 — geology knowledge and analysis
Wonder Rock screenshot 3 — digital rock collection
Wonder Rock screenshot 4 — map of discoveries
Wonder Rock screenshot 5 — value and geological context

App Information

  • Version 3.2.1
  • Size 45.8 MB
  • Category Lifestyle
  • Compatibility iOS 15.0+
  • Languages English
  • Age Rating 4+

Ratings & Reviews

See what users are saying about Wonder Rock

4.8
★★★★★
Based on 4,724 reviews
5
85%
4
10%
3
3%
2
1%
1
1%
GW
Gina Walsh
3 days ago
★★★★★

Stopped hauling field guides up the canyon

IDs on slate vs shale used to eat half our hike—now it’s a photo and a clear breakdown of grain and layering. Map pins mean we return to the garnet pocket next spring without arguing over “that bend past the fallen oak.” With 1.3M+ downloads and 4,724 reviews I expected polish—offline-ish captures still sync locations cleanly.

DH
Devon Hale
1 week ago
★★★★★

My students finally connect lab to trail

Each identification pulls formation context—not trivia—which feeds straight into our mineralogy unit. Digital collections replace shoeboxes of mystery rocks; kids annotate grain size before we log specimens. Seeing this many ratings (~4.7K / 4,724) matches how often I assign weekend “rock hunts.”

LM
Leo Matsuda
2 weeks ago
★★★★★

Value blurbs sell minerals online honestly

I flip estate finds—Wonder Rock flags when something’s common vs worth sending to assay, without hype. Collection vault keeps buyer photos tied to GPS only when I choose to share. Huge install base (1.3M+) shows in how fast model updates landed after the last iOS camera tweak.

Scan to Download

Wonder Rock App Store QR code — scan to download Crystals & Gems

Scan this QR code with your device to download the app