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Best Gemstone Weight Apps & Games

224+ iOS apps & games curated and reviewed

4.5 avg rating
19 free apps & games
Updated July 2026

The best gemstone weight apps and games on iPhone average 4.5★ across 224+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Gemstone Weight Apps & Games (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Carat Weight CalculatorCarat Weight CalculatorFree—NoNoMay 2026
2Yoga-Go: Tai Chi & PilatesYoga-Go: Tai Chi & PilatesFree4.6★ (89K)NoYesAug 2026
3Lose It! – Calorie CounterLose It! – Calorie CounterFree4.8★ (770K)YesYesAug 2026
4Gem Weight EstimatorGem Weight EstimatorFree4.3★ (3)NoNoMay 2026
5Daily Yoga: Fitness & WellnessDaily Yoga: Fitness & WellnessFree4.7★ (4.4K)YesYesAug 2026
6Carats – Gem Weight & JewelryCarats – Gem Weight & Jewelry$0.993.7★ (3)NoNoAug 2026
7Rock Identifier: Stone IDRock Identifier: Stone IDFree4.7★ (77K)NoYesAug 2026
8Rock & Crystal IdentifierRock & Crystal IdentifierFree4.6★ (2.5K)YesYesAug 2026

Top Picks for Gemstone Weight

Yoga-Go: Tai Chi & Pilates#2

Yoga-Go: Tai Chi & Pilates by WELLTECH APPS LIMITED

Weight loss & guided exercises
Strong Contender
💪 Health & Fitness
4.6😞(89K ratings)
FreeIn-App Purchases
Yoga-Go: Tai Chi & Pilates screenshot 1
Yoga-Go: Tai Chi & Pilates screenshot 2
Yoga-Go: Tai Chi & Pilates screenshot 3
Yoga-Go: Tai Chi & Pilates screenshot 4
Yoga-Go: Tai Chi & Pilates screenshot 5
Yoga-Go: Tai Chi & Pilates screenshot 6

Engage in low-intensity yoga, Tai Chi, and Pilates routines designed for home use. Improve flexibility, strength, and reduce stress with guided workouts ranging from 7 to 30 minutes daily. Explore over 2000 exercises, including somatic yoga and chair yoga, to enhance your overall well-being.

What We Love

  • 💪 Effective workouts
  • 🧘‍♀️ Helpful for flexibility and mobility
  • 🕰️ Efficient short sessions
  • 🙂 Enjoyable experience

Room to Improve

  • 🤖 Robotic/monotonous instruction
  • 🤔 Lack of personalization
  • 🔍 Difficult to navigate and find workouts
Lose It! – Calorie Counter#3

Lose It! – Calorie Counter by FitNow

Food Tracker for Weight Loss
Worth Considering
💪 Health & Fitness
4.8😊(770K ratings)
FreeAdsIn-App Purchases
#17in Health & Fitness
Lose It! – Calorie Counter screenshot 1
Lose It! – Calorie Counter screenshot 2
Lose It! – Calorie Counter screenshot 3
Lose It! – Calorie Counter screenshot 4
Lose It! – Calorie Counter screenshot 5
Lose It! – Calorie Counter screenshot 6

This app helps users achieve their weight loss goals by tracking calorie intake, nutrition, and exercise. It offers features like AI-powered meal logging, barcode scanning, and personalized diet plans to simplify the journey to a healthier lifestyle.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive food database
  • 💡 Helpful for weight loss
  • 🚀 Syncs with fitness trackers

Room to Improve

  • 🐛 Inaccurate calorie/nutrition data
  • 💰 Paywall for basic features
  • 📢 Intrusive ads and upselling

More Gemstone Weight apps to explore

4
Gem Weight Estimator
Gem Weight Estimator
Gem Weight Estimator
by Kennedy Ho
Free

Quickly estimate the weight of faceted gemstones using their cutting style and dimensions. Archive this information with photos for future reference.

Estimate gem weightInput cutting style and dimensionsArchive weight data
📊 Productivity
(3)
free
5
Daily Yoga: Fitness & Wellness
Daily Yoga: Fitness & Wellness
Daily Yoga: Fitness & Wellness
Tai Chi & Pilates & Chair Yoga
Free

This app offers a comprehensive yoga and fitness experience for all levels. It provides a wide variety of guided classes, including classic yoga, chair yoga, and Pilates, along with personalized programs and meditation sessions. Users can track their progress and download classes for offline use.

Guided yoga and Pilates classesChair and wall yoga optionsPersonalized custom yoga programs
💪 Health & Fitness
(4.4K)
free with in-app purchases
6
Carats – Gem Weight & Jewelry
Carats – Gem Weight & Jewelry
Carats – Gem Weight & Jewelry
Carat Estimator & Converters
$0.99

Easily calculate the carat weight of diamonds and gemstones by entering their dimensions. This tool is essential for jewelers, collectors, and anyone buying or selling precious stones, offering accurate and instant results.

Carat weight calculationGemstone size determinationGauge thickness converter
🔧 Utilities
(3)
paid
7
Rock Identifier: Stone ID
Rock Identifier: Stone ID
Rock Identifier: Stone ID
Gem Mineral Crystal Identifier
Free

Instantly identify rocks, minerals, and gemstones by taking a photo. Access a comprehensive encyclopedia with detailed information on each stone, learn to distinguish real from fake gems, and explore their properties. The app also includes a metal detector and expert consultation.

Photo-based rock identificationStone and crystal encyclopediaReal vs. fake gemstone guide
📚 Education
(77K)
freemium
8
Rock & Crystal Identifier
Rock & Crystal Identifier
Rock & Crystal Identifier
ID Crystals Mineral Gem Stones
Free

Instantly identify rocks, crystals, and minerals by uploading a photo. Explore their history, meaning, and energetic qualities. Organize your collection and connect with experts for insights.

Photo-based rock identificationCrystal and mineral encyclopediaSearch by planet, color, emotion, chakra
📚 Education
(2.5K)
freemium
9
Rock ID - Stone Identifier
Rock ID - Stone Identifier
Rock ID - Stone Identifier
Crystal, Mineral, Fossil Guide
Free

Instantly identify rocks, minerals, and gems by snapping a photo. Explore detailed profiles, manage your personal collections, and keep a log of all your discoveries. Become a geology expert with this comprehensive guide.

Instant AI-powered stone identificationVast catalog of rock profilesPersonal rock and mineral collections
📚 Education
(3K)
free with in-app purchases
10
iRock: Stone & Rock Identifier
iRock: Stone & Rock Identifier
iRock: Stone & Rock Identifier
#1 Fossil, Crystal Scanner App
Free

Identify rocks, minerals, and gemstones instantly with AI. Estimate market value, organize your collection, and track its worth over time. Ideal for enthusiasts looking to streamline identification and collection management.

AI rock and gemstone recognitionMarket value estimationCollection tracking
🔍 Reference
(233)
free with in-app purchases
11
Rock & Gemstone Identifier App
Rock & Gemstone Identifier App
Rock & Gemstone Identifier App
Stone, Gem, Crystal AI Scanner
Free

Identify rocks, gems, and minerals instantly by taking a photo or uploading an image. This app offers detailed information on over 6000 types of rocks and provides personalized assistance from geologists.

Identify thousands of rocks and mineralsAccurate identification from photosDatabase of over 6000 rock types
📚 Education
(417)
free with in-app purchases
12
Scale for grams - weight scale
Scale for grams - weight scale
Scale for grams - weight scale
Digital scale to weight grams
Free

Transform your phone into a digital scale using AI. Simply take a photo of an object, and the app will instantly estimate its weight in grams. It's a convenient, portable tool for quick measurements on the go.

AI-powered weight estimationInstant measurement from photosSmart history log
🔧 Utilities
(119)
free with in-app purchases
13
Gems Match: Color Puzzle
Gems Match: Color Puzzle
Gems Match: Color Puzzle
by WONDERPOP PTE. LTD
Free

Engage your mind with a vibrant gemstone puzzle game. Strategically move and match colored gems to complete intricate art pieces. Unlock new themes, challenging mechanics, and build your personal art gallery.

Tap and move gemsMatch gem colorsComplete art masterpieces
🎮 Games
(4K)
free with in-app purchases
14
Gemstone ID - Rock Identifier
Gemstone ID - Rock Identifier
Gemstone ID - Rock Identifier
Identify, Verify & Collect Gem
Free

Instantly identify gemstones and crystals, verify their authenticity, and estimate their value. Discover new gems based on personal preferences and build a digital collection of your finds. This app offers a comprehensive experience for understanding and exploring the world of gemstones.

Instant gemstone identificationAuthenticity verificationValue estimation
🔍 Reference
(4)
free with in-app purchases
15
Scale for Grams & Weighing
Scale for Grams & Weighing
Scale for Grams & Weighing
Digital Scales for Food & More
Free

Transform your phone into a digital scale to instantly measure the weight of everyday objects by simply taking a picture. Track your measurements with a history view and enjoy a simple, intuitive weighing experience.

Instant weight measurement via photoAI-powered weight calculationMeasurement history tracking
🔧 Utilities
(736)
free with in-app purchases
16
Stone Identifier
Stone Identifier
Stone Identifier
Rock, Crystal & Gem Scanner
Free

Instantly identify rocks, stones, gems, and crystals by taking a photo or uploading an image. Get accurate results in seconds with a rich database and user-friendly interface. Perfect for both geologists and enthusiasts.

Identify Rocks, Gems, and CrystalsAccurate identification resultsFast and convenient tool
📚 Education
(1K)
free with in-app purchases
17
Rock Identifier: Gem Value
Rock Identifier: Gem Value
Rock Identifier: Gem Value
Crystal•Mineral•Rock scanner
Free

Identify rocks, minerals, crystals, and gemstones instantly with a photo. Get detailed information on properties, hardness, and value. Learn to distinguish authentic stones from imitations.

Instant rock, mineral, crystal & gemstone identificationDetailed stone information (name, hardness, properties)Estimated gemstone value ranges & rarity insights
🔍 Reference
(235)
free with in-app purchases
18
Gem & Jewelry Carat Calculator
Gem & Jewelry Carat Calculator
Gem & Jewelry Carat Calculator
Gem Pricing & Weight Toolkit
Free
💼 Business
(0)
19
Gemstone Identifier - Gem
Gemstone Identifier - Gem
Gemstone Identifier - Gem
ID Stones, Crystals, Rocks
Free

Identify gems and crystals instantly by taking a photo. Learn about their properties, healing energies, chakra alignment, and care. Build a personal digital collection and share your discoveries.

Instant gem identification via photoDetails on properties and originInformation on energy and healing properties
📚 Education
(20)
subscription
20
Dazzly Sort: Diamond Puzzle
Dazzly Sort: Diamond Puzzle
Dazzly Sort: Diamond Puzzle
Gems color sorting puzzle game
Free

Engage your mind with a beautiful gem sorting puzzle game. Sort and learn about hundreds of precious stones, including diamonds, rubies, and sapphires, across a vast array of levels. This game offers stunning visuals and a unique challenge for those who enjoy color and logic puzzles.

Hundreds of gems to sortHundreds of levelsLearn about gems while playing
🎮 Games
(3.2K)
free with in-app purchases

FAQ about Gemstone Weight

Are there free gemstone weight apps & games for iPhone?
Yes — 19 of the top gemstone weight apps & games we rank are free to download, including Carat Weight Calculator and Yoga-Go: Tai Chi & Pilates.
Carat Weight Calculator has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 224+ gemstone weight apps & games on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.