Comparison

Stone Gem & Crystal Identifier vs bioApS

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

Head to head
About

Stone Gem & Crystal Identifier

Identify rocks, gems, crystals, and diamonds with AI-powered accuracy. Get value estimations, authenticity checks, and detailed analysis of your finds. Discover hotspots and learn about the history of your treasures.

Highlights
  • AI-powered rock, gem, and crystal identification
  • Value estimation and authenticity check
  • Detailed mineral analysis
  • Diamond and gem valuation
  • Metal detector functionality
  • Ask AI experts for advice
  • Rarity score for finds
  • Hotspot discovery for rock hunting
Features
Read full description

Crystal Identifier: Diamond Rock Fossil Mineral ID Your ultimate companion for discovering Earth’s treasures, designed to make rock, gem, crystal, and diamond identification accurate, easy, and enjoyable for everyone—from curious beginners to expert collectors. Whether you’re identifying rocks, estimating value, or seeking expert advice, with rock-specific training dataset and content filters, our AI-powered app, Crystal Identifier, is here to guide you with confidence. Key Features: Highly accurate Rock, Gem, and Crystal Identification: Unveil the hidden world of rocks and gems with unmatched accuracy. Simply snap a photo of any rock, gem, crystal, or diamond, and Crystal Identifier will instantly provide detailed information, including its name, properties, and origins. Whether you’re hiking, rock hunting, or examining your collection at home, our advanced AI identifies your findings anytime, anywhere. Value Estimation & Authenticity Check: Curious about the value of your find? Crystal Identifier gives you up-to-date market value estimates based on clarity, size, and demand. You can even verify if a gemstone is natural or synthetic with cutting-edge authenticity analysis. Crystal & Mineral Analysis: Dive deeper into the chemical makeup and physical characteristics of your rocks and crystals. Gain a thorough understanding of your finds with detailed reports on their mineral composition. Diamond & Gem Valuation: Get expert-level valuations for diamonds and other precious gems with ease. Make informed decisions whether buying, selling, or simply adding to your collection. Metal Detector: Turn your phone into a functional magnetic metal detector to discover hidden treasures in the field, helping you find valuable items and magnetic metals during rock-hunting adventures. Expert Features: Ask the Rock & Gem Experts: Need advice on gem identification or care? Chat with AI-powered experts who can provide guidance on your finds, ensuring you make the most of your discoveries. Rarity Score: Ever wonder how rare your rock or gemstone is? Compare your finds with others worldwide and get a unique rarity score. Rock Hunting & Mining Hotspots: Discover the best locations for rock and gem hunting around you. Use our interactive map to find mining hotspots nearby and start your rock-hunting adventure today. Gemstone Origin & Historical Insights: Learn about the origins and historical background of each gem or crystal. Understand the journey of your stone from deep within the Earth to your collection. Why Choose Crystal Identifier? Professional Accuracy: Trusted by collectors and experts, Crystal Identifier delivers reliable and highly accurate results, ensuring that you confidently identify and value your rocks, gems, and crystals every time. Expert Advice: Get the support you need from AI-powered experts to expand your knowledge and enhance your collection with confidence. Educational & Fun: Whether for fun or research, Crystal Identifier provides an enriching learning experience for anyone passionate about rocks and gems. Legal Disclaimer: Crystal Identifier is powered by OpenAI’s AI technology and more to provide accurate identifications and value estimations. However, results may not be 100% accurate, and the app should be used for educational purposes. For official appraisals or certifications, please consult with a certified gemologist or appraiser. Download Crystal Identifier now and embark on an exciting journey of rock, gem, and crystal discovery. Explore, learn, and unlock the true potential of your collection today! Privacy Policy & Terms of Use Privacy Policy: https://mn-appstudio.com/privacy-policy/ Terms of Use: https://mn-appstudio.com/terms/

About

bioApS

Features
Read full description

BioApS és un projecte d'aprenentatge i servei desenvolupat amb la participació de professorat i estudiants de Biologia, amb l'objectiu de divulgar la ciència d'una manera accessible i interactiva. L'aplicació ofereix les següents funcionalitats: Glossari de termes biològics: Amb descripcions detallades, imatges i enllaços a fonts oficials com la Viquipèdia, el Diccionari Normatiu Valencià (DNV) i l'Enciclopèdia Catalana per ampliar la informació. Qüestionaris interactius: Diversos qüestionaris sobre temes específics de biologia per posar a prova i reforçar els coneixements adquirits. Vídeos educatius: Una col·lecció de vídeos sobre temes biològics diversos que faciliten l'aprenentatge visual i la comprensió de conceptes científics. BioApS és una eina ideal per a estudiants, docents i qualsevol persona interessada en la ciència, que busca aprendre o reforçar els seus coneixements de biologia de manera didàctica i entretinguda.

Screenshots

Stone Gem & Crystal Identifier4 screens
bioApS4 screens

Verdict

The call

The clearest difference is in-app purchases: bioApS at none against Stone Gem & Crystal Identifier's 3. bioApS also leads on update cadence (daily vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stone Gem & Crystal Identifier sells 3 in-app purchases, starting at $7.99 per 7 days. bioApS asks for nothing beyond the download.

UpkeepUpdate frequency

Stone Gem & Crystal Identifier ships an update every 3 months, bioApS daily. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Stone Gem & Crystal Identifier versus bioApS: the parameters behind the verdict, then further details
ParameterStone Gem & Crystal IdentifierbioApS
PriceFreeFree
Rating4.7 (59 ratings) — better—
Positive reviews81.8% of reviews—
Number of ratings59 — better—
Update frequencyEvery 3 monthsDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size23 MB20 MB
Age rating4+4+
DeveloperSAFE AI NETWORK PTE. LTD.Universidad de Valencia

In-app purchases

3 purchases

Stone Gem & Crystal Identifier

Subscriptions3
  • Rock Identifier Pro3 Days trial$7.997 Days
  • Rock Identifier Pro3 Days trial$9.991 Month
  • Rock Identifier Pro$29.991 Year
None

bioApS

No in-app purchases

Questions

Is Stone Gem & Crystal Identifier free?
Stone Gem & Crystal Identifier is free to download, with in-app purchases available.
Is bioApS free?
bioApS is free to download, with no in-app purchases.
Do Stone Gem & Crystal Identifier or bioApS have ads?
Neither Stone Gem & Crystal Identifier nor bioApS shows ads.
Which is updated more often, Stone Gem & Crystal Identifier or bioApS?
Stone Gem & Crystal Identifier ships an update every 3 months, and bioApS daily. Most recently, Stone Gem & Crystal Identifier was updated on October 30, 2026 and bioApS on October 25, 2026.

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