Comparison

Rock Identifier vs Metal Detector

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

Head to head
About

Rock Identifier

Instantly identify stones, crystals, and minerals with a photo. Access detailed information, quality guides, market values, and even a metal detector. Organize your collection and find nearby shops.

Highlights
  • Instant photo identification of rocks, minerals, crystals
  • Detailed encyclopedia with geological info
  • Stone quality assessment and market value estimation
  • Crystal healing and zodiac insights
  • Metal detector tool
  • Real vs. fake stone detection
  • Personal rock collection management
Features
Read full description

Rock Identifier – Your All-in-One Crystal & Stone Guide Identify any stone, crystal, mineral, diamond or gemstone instantly by snapping or uploading a photo. Key Features: Instant Identification: Upload or take a photo to recognize over 6,000 types of rocks, minerals, and crystals. Stone & Crystal Encyclopedia: Get in-depth info including name, chemical formula, hardness, color variations, and main sources. Stone Quality Guide: Learn to assess stone quality by examining color, structure, texture, transparency, and other characteristics. Estimated Market Value: View approximate pricing for each identified stone based on type and quality. Crystal Healing & Zodiac Insights: Explore healing properties, zodiac compatibility, and birthstone meanings. Metal Detector Tool: Find lost keys or metal objects using magnetic field detection. Expert Consultation: Access email support for one-on-one guidance from rock and mineral experts. Nearby Stores Locator: Find nearby gemstone, crystal, mineral, and rock shops using your device’s location services. Get directions, contact information, store ratings, and reviews to help you shop with confidence. Real vs Fake Stone Detection: Use AI-powered analysis and multiple diagnostic tools (photo analysis, light refraction, inclusions detection, and fluorescence test guides) to help determine the authenticity of your stones and crystals. Personal Rock Collection: Organize your finds, maintain ID history, and build a wishlist. About Rock Identifier Premium: Subscription Options: • Monthly Premium – Billed Monthly Subscription Benefits: Subscribe to Rock Identifier Premium to unlock the full experience: • Identify rocks and minerals without limits • Access detailed geological information • Enjoy an ad-free experience with no watermarks Payment & Renewal: • Payment will be charged to your iTunes Account at confirmation of purchase • Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period • Your account will be charged for renewal within 24 hours before the current period ends • The cost of the renewal will be identified at that time Managing Subscriptions: You can manage your subscription and turn off auto-renewal in your Account Settings after purchase Privacy Policy: https://smtpprovider.com/stone-Identifier/privacy-policy.php Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Metal Detector

Discover hidden metal objects and build a virtual museum of your finds with this app. It features a retro interface for an engaging treasure hunting experience, suitable for both beginners and enthusiasts.

Highlights
  • Locate various metal objects
  • Capture photos of discoveries
  • Build a virtual Metal Museum
  • Retro-styled interface
  • Suitable for treasure hunting
Features
Read full description

Unearth hidden treasures with Metal Detector: EMF Finder, the ultimate app for adventure seekers and hobbyists! Featuring a classic retro UI design, this app combines fun and functionality to make your metal-detecting experience both enjoyable and rewarding. Advanced Detection - Easily locate various metal objects—perfect for outdoor treasure hunting! Capture & Collect - Snap photos of your discoveries and build your very own Metal Museum! Retro-Styled Interface - A nostalgic yet intuitive design that makes exploration even more exciting. Whether you're a seasoned treasure hunter or a curious beginner, Metal Detector turns every outing into a thrilling quest. Start your treasure hunt today! IMPORTANT Results depend on your iPhone’s magnetometer, calibration, surroundings, and the material being tested. This app cannot identify a specific metal and may not detect non-ferromagnetic materials such as pure gold, silver, copper, or aluminum. It is not a replacement for professional metal-detection or EMF-measurement equipment. Terms of Use: https://www.toolsartisan.top/terms.html Privacy Policy: https://www.toolsartisan.top/privacy.html

Screenshots

Rock Identifier4 screens
Metal Detector3 screens

Verdict

The call

The clearest difference is ads: Metal Detector at none against Rock Identifier's shown. Rock Identifier's advantage is device support (3 vs 1). On price, rating, ratings volume and update cadence 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. Rock Identifier sells 7 in-app purchases, starting at $4.99 per 7 days and Metal Detector sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Rock Identifier against 4.5 for Metal Detector. Both are backed by a comparable volume of ratings — 69 and 75 respectively.

UpkeepUpdate frequency

Rock Identifier ships an update weekly, Metal Detector every 10 days. The most recent releases landed on September 18, 2026 and September 16, 2026 respectively.

Scorecard2 real differences · 8 level
Rock Identifier versus Metal Detector: the parameters behind the verdict, then further details
ParameterRock IdentifierMetal Detector
PriceFreeFree
Rating4.4 (69 ratings)4.5 (75 ratings) — better
Positive reviews100.0% of reviews
Number of ratings6975 — better
Update frequencyWeekly — betterEvery 10 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.0
Further details — not scored
Size80 MB3 MB
Age rating4+4+
DeveloperBlueberry Web Solutions Pvt. Ltd田亮 王

Customer experience

Rock Identifier

All ratings69 ratings
Positive82.6%
Neutral5.8%
Negative11.6%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Metal Detector

All ratings75 ratings
Positive80.0%
Neutral10.7%
Negative9.3%

In-app purchases

7 purchases

Rock Identifier

Subscriptions6
  • RockID Weekly Pro$4.997 Days
  • Rock Identifier Premium Weekly3 Days trial$8.997 Days
  • Monthly Subscription1 Month trial$9.991 Month
Show 3 more
  • Premium Yearly Subscription$19.991 Year
  • Rock Identifier Premium Yearly$29.991 Year
  • RockID Yearly Pro$39.991 Year
One-time1
  • Rock Identifier & Stone Checker$49.99
4 purchases

Metal Detector

Subscriptions3
  • Metal Detector$1.997 Days
  • Metal Detector$3.991 Month
  • Metal Detector$9.991 Year
One-time1
  • Metal Detector Premium$5.99

Questions

Is Rock Identifier free?
Rock Identifier is free to download, with in-app purchases available.
Is Metal Detector free?
Metal Detector is free to download, with in-app purchases available.
Which has better reviews, Rock Identifier or Metal Detector?
Metal Detector is rated higher. Rock Identifier averages 4.4 out of 5 from 69 ratings, while Metal Detector averages 4.5 from 75 ratings.
Do Rock Identifier or Metal Detector have ads?
Rock Identifier shows ads; Metal Detector does not.
Which is updated more often, Rock Identifier or Metal Detector?
Rock Identifier ships an update weekly, and Metal Detector every 10 days. Most recently, Rock Identifier was updated on September 18, 2026 and Metal Detector on September 16, 2026.

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