CP-0015 · Rock & Mineral Identification Apps
Spotter vs Rock Identifier Apps
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 by feature
| Feature | Spotter | Rock Identifier Apps |
|---|---|---|
| Rock & mineral ID | Yes | YesCore focus |
| Crystal & gemstone ID | Yes | Yes |
| Fossil identification | Yes | Partly |
| Plant identification | Yes | No |
| Animal & wildlife ID | Yes | No |
| Fungi & mushroom ID | Yes | No |
| Formation & occurrence detail | Yes | Yes |
| Free tier5 free IDs/day | Yes | PartlyLimited trial; subscription for full use |
| Lifetime (one-time) option$59.99 one-time | Yes | No |
Based on each app’s public store listing and help pages when this page was last updated (Jul 26, 2026). Apps change their features and prices, so check their own listings for the latest. App names on this page are trademarks of their respective owners. Spotter is made by Real Blue Software LLC and is not affiliated with, sponsored or endorsed by them.
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.
From Field Notes
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Try Spotter free
5 free identifications every day, for plants, animals, fungi and rocks in one app.
Spotter at a glance
- Identifies
- Plants, animals, fungi, rocks
- Free tier
- 5 IDs a day
- Premium
- $4.99/mo · $29.99/yr
- Lifetime
- $59.99 once
- Platforms
- iPhone & Android
- Referral bonus
- 5 IDs each