Comparison

Gemstone Identifier vs SecondHand

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Gemstone Identifier

Instantly identify gemstones, rocks, and minerals from a photo with an AI-powered gemology report. Get detailed analysis on properties, value, authenticity, and care. Build your digital gem collection.

Highlights
  • AI-powered gemstone identification
  • Detailed gemology reports
  • Authenticity and valuation assessment
  • Care and maintenance guidance
  • Build a digital gem collection
  • Extensive gemstone coverage
Features
Read full description

Identify any gemstone, crystal, rock, or mineral from a single photo — and get a full gemology report in seconds. Gemstone Identifier is your AI-powered gem recognition companion. Whether you're a jeweler, collector, crystal lover, rockhound, or geology student, point your camera at a stone and instantly discover what it is, what it's worth, and how to care for it. WHAT'S INSIDE EVERY REPORT Our most detailed gemstone analysis yet: • Identification & Confidence — the stone's name, alternate names, and a confidence score on every result • Color Analysis — primary and secondary hue, tone, saturation, color grade, zoning, cause of color, and optical phenomena • Clarity — clarity grade and type, eye-clean rating, inclusion types, and what those inclusions reveal • Cut & Shape — shape, cut style and quality, polish, symmetry, estimated carat weight and dimensions • Full Property Tables — chemical, optical, and physical data including refractive index, birefringence, dispersion, pleochroism, fluorescence, specific gravity, Mohs hardness, toughness, and crystal system • Authenticity — natural vs. imitation assessment, supporting indicators, common lookalikes, and recommended lab tests • Treatments & Enhancements — likely treatments, how detectable they are, and their impact on value and care • Estimated Valuation — quality grade, estimated price per carat, value drivers and detractors, and market demand • Geology & Sources — formation environment, host rock, associated minerals, notable localities, and varieties • Similar Stones — lookalike gems and clear tips on how to tell them apart • Care & Maintenance — safe cleaning methods, ultrasonic and steam safety, storage, and everyday wear guidance • Metaphysical & Folklore — healing properties, chakra, zodiac signs, and birthstone month HOW IT WORKS 1. Capture or Upload — take a photo of any stone, or pick one from your photo library. 2. Preview & Analyze — check your shot, retake if needed, then let the AI examine color, clarity, texture, and form. 3. Learn & Collect — read the full report, then save the stone to My Collection. MORE FEATURES • Extensive Coverage — Ruby, Sapphire, Emerald, Amethyst, Opal, Diamond, Jade, Quartz, Turquoise, Garnet, Topaz, agate, geodes and many more, in raw, cut, and polished form • My Collection — build your own digital gem box from the stones you identify • Scan History — every past scan saved for easy access anytime • My Gallery — scan gemstone photos already saved on your device • Secure & Private — your photos and scans are stored safely and visible only to you RECENTLY IMPROVED A redesigned home screen with quick actions and popular gemstones, a new photo preview and live scanning experience, a fresh liquid glass design throughout, and faster, more reliable scans that retry automatically if your connection drops. PREMIUM Gemstone identification and detailed AI reports require a subscription: • $4.99 USD per week — premium access for 1 week, auto-renews at the same price • $29.99 USD per year — best value, auto-renews at the same price Premium unlocks unlimited gemstone identifications, full AI-powered reports, My Collection, My Gallery, and unlimited scan history. Results are AI-generated estimates intended for educational and hobbyist use. For insurance, resale, or certification, always consult a certified gemologist or an accredited laboratory. Start identifying gemstones today — scan, learn, and collect with Gemstone Identifier! Feedback or Support: app-support@md-tech.in Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

SecondHand

Features
Read full description

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

Gemstone Identifier4 screens
SecondHand4 screens

Verdict

The call

The clearest difference is ads: Gemstone Identifier at none against SecondHand's shown. SecondHand's advantage is update cadence (every 10 days vs every 9 months). On price, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Gemstone Identifier sells 2 in-app purchases, starting at $4.99 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.

UpkeepUpdate frequency

Gemstone Identifier ships an update every 9 months, SecondHand every 10 days. Both last shipped on November 5, 2026.

Scorecard2 real differences · 7 level
Gemstone Identifier versus SecondHand: the parameters behind the verdict, then further details
ParameterGemstone IdentifierSecondHand
PriceFreeFree
Rating3.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 9 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size42 MB47 MB
Age rating12+4+
DeveloperAnkur DhameliyaWilliam Myers

In-app purchases

2 purchases

Gemstone Identifier

Subscriptions2
  • Premium Weekly3 Days trial$4.997 Days
  • Premium Annual$29.991 Year
3 purchases

SecondHand

Subscriptions2
  • SecondHand Pro (Monthly)$7.991 Month
  • SecondHand Pro (Yearly)$39.991 Year
One-time1
  • SecondHand Pro (Lifetime)$59.99

Questions

Is Gemstone Identifier free?
Gemstone Identifier is free to download, with in-app purchases available.
Is SecondHand free?
SecondHand is free to download, with in-app purchases available.
Do Gemstone Identifier or SecondHand have ads?
SecondHand shows ads; Gemstone Identifier does not.
Which is updated more often, Gemstone Identifier or SecondHand?
Gemstone Identifier ships an update every 9 months, and SecondHand every 10 days. Most recently, Gemstone Identifier was updated on November 5, 2026 and SecondHand on November 5, 2026.

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