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Best Mgo3 Apps

212+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated May 2026

The best mgo3 apps on iPhone average 4.3★ across 212+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Compare top Mgo3 Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1MGO3MGO3Free——NoMay 2026
2Rock Identifier: Stone IDRock Identifier: Stone IDFree4.7★ (75K)YesYesJul 2026
3EMD PTEEMD PTEFree4.7★ (121)NoNoJul 2026
4The Chemical Touch: Lite EditionThe Chemical Touch: Lite EditionFree3.8★ (2.5K)NoNoJul 2026
5Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (172K)YesYesJul 2026
6MPR Drug and Medical GuideMPR Drug and Medical GuideFree4.8★ (6K)NoYesJul 2026
7MoleculesMoleculesFree3.6★ (166)NoNoJul 2026
8Convert Any Unit LiteConvert Any Unit LiteFree4.7★ (47K)YesNoJul 2026

Top Picks for Mgo3

Rock Identifier: Stone ID#2

Rock Identifier: Stone ID by Next Vision Limited

Gem Mineral Crystal Identifier
Strong Contender
📚 Education
4.7😐(75K ratings)
FreeAdsIn-App Purchases
#15in Education
Rock Identifier: Stone ID screenshot 1
Rock Identifier: Stone ID screenshot 2
Rock Identifier: Stone ID screenshot 3
Rock Identifier: Stone ID screenshot 4
Rock Identifier: Stone ID screenshot 5
Rock Identifier: Stone ID screenshot 6

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.

What We Love

  • 🤩 Accurate rock identification
  • 🤓 Extensive information on rocks
  • 🧠 Helpful for learning about rocks
  • 🪨 Great for rock collectors

Room to Improve

  • 💰 Expensive subscription model
  • 🔢 Limited free scans per day
  • 🔍 Inconsistent accuracy, sometimes wrong
EMD PTE#3

EMD PTE by Merck KGaA (Darmstadt, Germany)

Worth Considering
📚 Education
4.7😊(121 ratings)
Free
EMD PTE screenshot 1
EMD PTE screenshot 2
EMD PTE screenshot 3
EMD PTE screenshot 4
EMD PTE screenshot 5

This comprehensive mobile reference work provides detailed information on all chemical elements. It features a molar mass calculator, interactive visualizations, and offline access, making it an indispensable tool for students, educators, and chemistry enthusiasts.

What We Love

  • 👍 Excellent user interface
  • 🚀 Intuitive and easy to use
  • 💡 Comprehensive information on elements
  • 🔍 Detailed element properties and data

Room to Improve

  • 🐛 Occasional crashes or freezes
  • 🔍 Missing some advanced features
  • 🔧 Needs optimization for newer devices

More Mgo3 apps to explore

4
The Chemical Touch: Lite Edition
The Chemical Touch: Lite Edition
The Chemical Touch: Lite Edition
by Christopher Fennell
Free

Access essential element data with this free, simplified periodic table app. View key properties like mass, density, and melting points. Easily access detailed Wikipedia pages for each element.

Simplified periodic table displayElement masses and densitiesMelting and boiling points
📚 Education
(2.5K)
free
5
Unit Converter - Best Unit App
Unit Converter - Best Unit App
Unit Converter - Best Unit App
Convert All Units and Currency
Free

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

20 conversion categoriesLive currency updates155 world currencies
✈️ Travel
(172K)
free with in-app purchases
6
MPR Drug and Medical Guide
MPR Drug and Medical Guide
MPR Drug and Medical Guide
MD Medications and Reference
Free

This app provides comprehensive drug information and clinical tools for healthcare professionals. It offers quick access to drug data, calculators, treatment charts, and educational content, all accessible offline.

Drug information referenceMedical calculatorsClinical charts
🏥 Medical
(6K)
free with in-app purchases
7
Molecules
Molecules
Molecules
by Sunset Lake Software
Free

Explore and interact with 3D molecular models on your device. Rotate, zoom, and pan structures using intuitive touch gestures. Visualize molecules in different modes and load custom structures from various sources.

3D molecule renderingFinger-based manipulation (rotate, zoom, pan)Ball-and-stick visualization
📚 Education
(166)
free
8
Convert Any Unit Lite
Convert Any Unit Lite
Convert Any Unit Lite
Units & Currency Converter
Free

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

Intelligent unit search with autocompleteAutomatic category selectionIntegrated calculator
✈️ Travel
(47K)
ad-supported
9
WolframAlpha
WolframAlpha
WolframAlpha
Knowledge, Homework, Calculate
Free

This app serves as a powerful computational knowledge engine for homework and research. It offers comprehensive support across numerous academic subjects, from math and physics to biology and economics. Unlock advanced features like step-by-step solutions and photo input for a more in-depth learning experience.

Step-by-step solutions with hintsPhoto input for math problemsInput Assistants for various subjects
📚 Education
(124)
free with in-app purchases
10
Astra AI: Study & Exam Prep
Astra AI: Study & Exam Prep
Astra AI: Study & Exam Prep
Mathe & Hausaufgaben lösen
Free

This AI-powered tutoring app provides personalized, step-by-step assistance for a wide range of subjects including math, physics, and chemistry. It offers instant solutions to homework problems, targeted exam preparation, and in-depth subject exploration to help students learn more efficiently and build confidence.

Snap and solve homework problemsStep-by-step problem solvingPersonalized exam preparation
📚 Education
(3K)
free with in-app purchases
11
Periodic Table: Chemistry 2026
Periodic Table: Chemistry 2026
Periodic Table: Chemistry 2026
Chemistry in your phone!
Free

Explore the universe's language with this interactive chemistry app. It offers a clear, visual, and fact-based approach to understanding elements, isotopes, and chemical reactions. Ideal for students, educators, and curious minds.

Interactive Periodic TableDetailed Element Cards3300+ Isotopes
📚 Education
(5.2K)
free with in-app purchases
12
Unit Converter - Convert all
Unit Converter - Convert all
Unit Converter - Convert all
Currency, Temperature, Length
Free

Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.

Real-time currency conversionsExtensive unit categories (weight, temp, length, volume, etc.)Simple and intuitive interface
✈️ Travel
(13K)
free with in-app purchases
13
Metric Conversion tool
Metric Conversion tool
Metric Conversion tool
Unit and currency converter
Free

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

Offline functionalityOver 30,000 unit conversions160+ currencies with live rates
🔍 Reference
(15K)
free
14
Rock ID・Gem & Stone Identifier
Rock ID・Gem & Stone Identifier
Rock ID・Gem & Stone Identifier
Diamond Tester・Crystal Scanner
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
15
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Decimal to Fractions Converter
Free

Easily perform fraction calculations including addition, subtraction, multiplication, and division. Convert fractions to decimals and vice versa with a clear, user-friendly interface. Ideal for students, cooks, and DIYers needing quick and accurate fraction management.

Add, subtract, multiply, and divide fractionsConvert fractions to decimalsAutomatically simplifies fractions
📊 Productivity
(22K)
free with in-app purchases
16
The Elementals
The Elementals
The Elementals
by Simon Madine
Free

Explore a vibrant periodic table where each element is brought to life with unique personalities. Learn about their melting and boiling points, and delve into the fascinating world of electron configurations in an engaging and interactive way.

Interactive periodic tableElements with personalitiesMelting and boiling points
📚 Education
(583)
free
17
WebMO Molecule Editor
WebMO Molecule Editor
WebMO Molecule Editor
Draw, Calculate, Visualize
Free

Create and explore 3D molecular structures, visualize chemical properties, and access extensive chemical databases. This tool is ideal for students and educators needing on-the-go access to molecular information and computational chemistry resources.

3D molecular editorStructure optimizationOrbital and symmetry visualization
📚 Education
(40)
free with in-app purchases
18
Chem_Calculator
Chem_Calculator
Chem_Calculator
with elegant periodic table
Free

This app provides organic chemists with a molecular weight calculator featuring a full-sized periodic table. It allows for real-time calculation with mixed input of elements, numbers, and parentheses, and enables saving, editing, and deleting results.

Molecular weight calculationFull-sized periodic tableReal-time results
📚 Education
(152)
free
19
K12 Periodic Table of the Elements
K12 Periodic Table of the Elements
K12 Periodic Table of the Elements
by Stride Inc.
Free

Explore elements and their properties with this interactive periodic table. It offers detailed information, color-coded classifications, and multiple temperature scales, making it ideal for science homework and reference.

Detailed element attributes (name, symbol, atomic number, mass, Lewis dots, radius)Color-coded element classificationsMultiple temperature scales (Kelvin, Celsius, Fahrenheit)
📚 Education
(45)
free
20
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
(701)
free with in-app purchases

FAQ about Mgo3

Are there free mgo3 apps for iPhone?
Yes — 20 of the top mgo3 apps we rank are free to download, including MGO3 and Rock Identifier: Stone ID.
MGO3 has no in-app purchases, according to its App Store listing as of May 2026.
We track 212+ mgo3 apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.