Stangle vs iMineralogist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stangle
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Stangle is an application where you can visualize how you are standing on the Earth according to your friends. NOT DESIGNED FOR FLAT EARTHERS!
iMineralogist
Discover rocks, minerals, and fossils with a field map that layers geological data. Record your findings with photos and field tests, and get AI-assisted identification help from a supportive community.
- Geology and fossil layers
- Record field observations
- AI-assisted identification
- Community identification help
- Multiple basemap options
- Field test data logging
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Explore rocks, minerals, fossils, and geology — then share what you find with a community that helps you learn. iMineralogist is a field map for rockhounds, mineral collectors, geology students, and curious explorers. Browse layers of geological data, record observations in the field, and grow your knowledge alongside others. Explore field layers in one map: - Geology layers - Fossil sites - Rockhounding check-ins - UNESCO Global Geoparks - Community observations Browse layers around you or anywhere on the map, and switch between satellite, terrain, and street basemaps. See what others have found nearby, understand the geological context, and learn what makes each area interesting. When you find something, create an observation with photos, GPS location, notes, and field tests such as hardness, streak, acid reaction, magnetism, and UV fluorescence. AI-assisted suggestions help you start an identification, and the community can help confirm, correct, or discuss your find. With iMineralogist you can: - Explore geological context anywhere on the map - Switch between satellite, terrain, and street basemaps - Record field observations with photos and location - Add practical field-test evidence - Get AI-assisted identification suggestions - Look up any mineral, rock, or fossil on its own reference card - Help other users identify rocks, minerals, and fossils - Discuss finds with comments, replies, mentions, emoji reactions, and likes - Share discoveries and build community knowledge - Read field guides and project news on the built-in blog iMineralogist is built for field discovery. It keeps the place, photos, tests, and identification history together so every find has useful context — for you and for the community. Always respect private property, protected areas, local laws, and collecting rules. Map data and AI suggestions are for exploration and learning, not guarantees of access, safety, or exact identification.
Screenshots
Verdict
The clearest difference is update cadence: iMineralogist at every 3 weeks against Stangle's every 15 months. Stangle's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Stangle ships an update every 15 months, iMineralogist every 3 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | Stangle | iMineralogist |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 15 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 73 MB | 40 MB |
| Age rating | 4+ | 9+ |
| Developer | Laurent Marchal | IAROSLAV BEZRUCHKO |
In-app purchases
Stangle
No in-app purchases
iMineralogist
No in-app purchases
