Gemstone & Crystal Identifier vs SecondHand
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gemstone & Crystal Identifier
Instantly identify gemstones, crystals, and minerals from a photo. Get estimated value ranges, learn key properties, and ask follow-up questions. Save your discoveries to a personal collection.
- Identify stones from photos
- Get estimated value ranges
- Learn key properties
- Ask follow-up questions
- Save to personal collection
- Explore crystal meanings
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Identify gemstones, crystals, and minerals from a photo in seconds. Get a smart value range, learn key properties, ask follow-up questions, and save every stone to your collection. Whether you're comparing jewelry, growing a crystal collection, studying minerals, or trying to understand a mystery stone, Gemstone & Crystal Identifier helps you make faster and more confident discoveries. What you can do: - Identify gemstones, crystals, minerals, raw stones, and polished pieces from a single photo - Review names, classification, color, clarity, origin, Mohs hardness, rarity, and treatments - See an estimated market value range with context for what affects price - Explore crystal meaning and healing-property insights - Ask the built-in Gem Assistant follow-up questions about care, rarity, and use - Save each scan to your personal collection for quick access later Who it's for: - Gem and crystal collectors - Jewelry buyers, sellers, and gift shoppers - Geology and gemology learners - Anyone curious about a stone they found or bought How it works: 1. Take a photo or upload one 2. Let the app analyze your stone 3. Review the profile, value range, and saved collection entry Download now and turn every discovery into a documented gem profile. Privacy Policy: https://gemstoneidentifier.volkankahraman.dev/privacy-policy Terms of Service: https://gemstoneidentifier.volkankahraman.dev/tos
SecondHand
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Identify your watch from a photo and see what it's worth. SecondHand tells you the brand and model, an estimated pre-owned value, and where to buy one - for Rolex, Omega, Seiko, Tudor, Cartier, Patek Philippe, vintage pieces and more. Take a photo or pick one from your library, and SecondHand builds a card with what you need to know about the watch. WHAT YOU GET, FREE - Brand and model, plus the reference number when the photo confirms it - Estimated pre-owned value in good condition - Current eBay listings for the same watch, with eBay's Authenticity Guarantee marked - Technical specs - movement, caliber, case size and material, water resistance, complications - The model's history - Where to buy - the 5 closest watch dealers and jewelers, plus online retailers - A personal collection for up to 5 watches - 5 identifications a day PRO - Unlimited identifications - Spot the Fake - counterfeit checks on Rolex, Audemars Piguet, Patek Philippe and other heavily-faked watches - Live market prices - current asking prices with their sources - Every nearby dealer in your search radius, not just the 5 closest - Film and TV appearances - the best-known films and shows your watch appears in - Unlimited collection and saved history - No ads WHO IT'S FOR - Anyone who inherited or found a watch and wants to know what it is and what it's worth - Buyers checking a pre-owned watch before they pay - Sellers pricing a watch before they list it - Collectors settling which reference is which PRIVACY Your photos are never stored on our servers. Identification happens in real time and the image is immediately discarded. Your collection and history live on your device. Read the full privacy policy at getsecondhand.watch/privacy. FROM STRATALOGIC SecondHand is a StrataLogic product. Visit getsecondhand.watch for the blog, full feature list, and watch identification guides. Terms of Use: https://getsecondhand.watch/terms Privacy Policy: https://getsecondhand.watch/privacy
Screenshots
Verdict
The clearest difference is ads: Gemstone & Crystal Identifier at none against SecondHand's shown. SecondHand's advantage is iOS requirement (15.1 vs 17.6). On price, 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. Gemstone & Crystal Identifier sells 3 in-app purchases, starting at $3.99 per 7 days and SecondHand sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Gemstone & Crystal Identifier | SecondHand |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | — | Every 10 days |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 48 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Volkan Kahraman | William Myers |
In-app purchases
Gemstone & Crystal Identifier
- Gemstone Weekly$3.997 Days
- Gemstone Weekly Trial7 Days trial$6.997 Days
- Gemstone Annual$24.991 Year
SecondHand
- SecondHand Pro (Monthly)$7.991 Month
- SecondHand Pro (Yearly)$39.991 Year
- SecondHand Pro (Lifetime)$59.99







