Best Fascat Apps

197+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated June 2026

Whether you're new to fascat or looking for an upgrade, our curated collection of 197+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Fascat

CoachCat#1

CoachCat by Fascat Coaching LLC

AI Analysis | Custom Plans
Editor's Choice
💪 Health & Fitness
4.3(78 ratings)
FreeIn-App Purchases
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CoachCat screenshot 6

This AI-powered cycling coach analyzes your ride data instantly to provide personalized feedback. It integrates with a custom training plan builder and a comprehensive training library for various cycling disciplines. Connect with popular fitness trackers for a holistic view of your performance and recovery.

VPN cat: Fast Secure Unlimited#2

VPN cat: Fast Secure Unlimited by SAFDAR NETWORK SMC-PRIVATE LIMITED

Zero-log, No need registration
Strong Contender
🔧 Utilities
4.6😊(41K ratings)
FreeAdsIn-App Purchases
#63in Utilities
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VPN cat: Fast Secure Unlimited screenshot 3

This app offers a fast, secure, and private internet connection with a zero-log policy. It protects your data on public Wi-Fi, masks your IP address, and allows access to global content. A free tier is available with optional premium upgrades for enhanced speed.

What We Love

  • 🚀 Fast connection
  • 👍 Easy to use
  • 🔒 Secure
  • 💰 Free

Room to Improve

  • 🐛 Disconnects randomly
  • 🔋 Drains battery
  • 📺 Incompatible with some apps
Eco Cat App#3

Eco Cat App by Ecotrade Tech Company Limited

Ecotrade Group
Worth Considering
💼 Business
4.7😊(1.8K ratings)
FreeIn-App Purchases
Eco Cat App screenshot 1
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This app provides a comprehensive catalog of over 20,000 catalytic converters, allowing users to look up their value by car brand or manufacturer. It offers accurate appraisals based on precious metal content analysis and helps sellers negotiate fair deals.

What We Love

  • 👍 Easy to use
  • 🚀 Accurate real-time prices
  • 💎 Comprehensive catalog with photos
  • 💰 Helps maximize scrap value

Room to Improve

  • 🐛 Some missing or incorrect data
  • 💳 Paid subscription required for full access
  • 🕰️ Slow response times at times

More Fascat apps to explore

4
Chemistry News by C&EN
Chemistry News by C&EN
Chemistry News by C&EN
by American Chemical Society
Free

Access daily chemistry news and weekly magazine issues optimized for mobile. Stay updated on research, business trends, and career guidance in chemistry. Read downloaded articles offline and bookmark stories for later.

Daily chemistry newsWeekly magazine issuesOffline article reading
📡 News
(393)
free
5
Happy Atoms
Happy Atoms
Happy Atoms
by Schell Games
Free

This interactive tool combines a physical modeling set with a digital app to teach chemistry concepts. It allows users to explore molecules hands-on, understand bonding forces, and discover relationships between molecular structure and properties. Designed to make chemistry more engaging and accessible for students.

Physical and digital interactive learningHands-on molecule discoveryExplore bonding forces
📚 Education
(132)
free
6
Elemental
Elemental
Elemental
by Dotmatics Limited
Free

This free utility allows users to easily draw chemical structures and reactions on their mobile devices. It offers features like property calculation, file sharing via email and Dropbox, and a built-in periodic table. Users can also export structures as image files or MOL/RXN formats.

Draw chemical structures and reactionsCalculate cheminformatics propertiesTweet chemical structures
📊 Productivity
(18)
free
7
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
8
Auto Catalyst Market Catalog
Auto Catalyst Market Catalog
Auto Catalyst Market Catalog
Catalytic Converter Database
Free

This app serves as a comprehensive catalog for catalytic converters, allowing users to buy, sell, and determine their real-time value based on precious metal content. It features a vast database with detailed specifications and photographs to aid in identification and valuation.

Buy or sell catalytic convertersDetermine real cost based on Pt, Pd, Rh quotesAccess complete catalyst specifications
💼 Business
(51)
free with in-app purchases
9
Convert Any Unit
Convert Any Unit
Convert Any Unit
Units & Currency Converter
$9.99

This app offers a fast and intuitive way to convert between thousands of units and currencies. Simply type to search and select units, with automatic category detection and intelligent suggestions. It includes advanced features like a built-in calculator and bookmark organization.

Fast unit conversion with autocompleteIntelligent search for unitsAutomatic category selection
✈️ Travel
(5.1K)
free
10
AIChE Events
AIChE Events
AIChE Events
by AIChE
Free

This app connects chemical engineering professionals worldwide. Access resources, connect with colleagues, and find learning opportunities to advance your career in chemical engineering.

Professional networkingAccess to chemical engineering resourcesLearning opportunities
🔍 Reference
(23)
ad-supported
11
Chemistry Formula Practice Free
Chemistry Formula Practice Free
Chemistry Formula Practice Free
by Carolina Biological Supply
Free

Master chemical nomenclature and formula writing with this educational tool. It offers practice across various compound types, allowing users to choose their learning path from formula to name or name to formula.

Practice naming compoundsWrite chemical formulasIonic and molecular compounds
📚 Education
(7)
free with in-app purchases
12
Chemical Safety Data Sheets - ICSC
Chemical Safety Data Sheets - ICSC
Chemical Safety Data Sheets - ICSC
by ThatsMyStapler Inc.
Free

Access concise, standardized safety summaries for chemicals, ideal for workers and employers. This app provides essential health and safety information in an easy-to-review, two-page format, serving as a valuable supplement or alternative to lengthy MSDS documents.

Two-page chemical safety summariesSearchable chemical list (Name, CAS#, RTECS#)Saved history of viewed chemicals
🏥 Medical
(145)
free
13
Catalytic Reaction Guide
Catalytic Reaction Guide
Catalytic Reaction Guide
by Johnson Matthey PLC
Free

This app offers a comprehensive guide to catalytic reactions, providing recommendations for catalysts, temperatures, and solvents for over 150 reactions. It also includes a searchable product listing, literature references, and contact information for businesses. Users can save favorite products and request technical information or quotes.

Catalyst recommendations for 150+ reactionsReaction temperature and solvent detailsChemical Abstracts Service (CAS) searchable product listing
💼 Business
(2)
free
14
ReactionFlash
ReactionFlash
ReactionFlash
Named Chemical Reactions
Free

This app serves as a comprehensive flashcard-style learning tool for named chemical reactions. It provides detailed information on reaction mechanisms and examples from scientific literature, with a quiz mode to test user knowledge.

Learn named chemical reactionsUnderstand reaction mechanismsView literature examples
📚 Education
(41)
free
15
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
16
PGM of Texas Converter Catalog
PGM of Texas Converter Catalog
PGM of Texas Converter Catalog
by PGM OF TEXAS LLC
Free

This application provides real-time pricing for catalytic converters by entering part numbers. It helps users identify parts, understand buying categories, and create pricing tiers for clients or employees.

Live market quotes for catalytic convertersPart number lookupIdentify primary codes
💼 Business
(24)
free
17
Chemistry By Design: Target Synthesis Database
Chemistry By Design: Target Synthesis Database
Chemistry By Design: Target Synthesis Database
by University of Arizona
Free

This interactive virtual flashcard app helps students practice chemistry synthesis skills. It displays reagents, starting materials, and products for each step in constructing natural products or pharmaceuticals. Various browsing options are available for self-testing.

Interactive virtual flashcardsPractice synthetic sequencesDisplay reagents, starting materials, and products
📚 Education
(13)
free
18
Organic Chemistry! Complete
Organic Chemistry! Complete
Organic Chemistry! Complete
Made By Harvard Student + PhD
Free

A comprehensive study guide for organic chemistry, covering over 100 reactions and mechanisms organized by functional group. Ideal for high school, college, and preprofessional exam preparation.

100+ reactions and mechanismsOrganized by functional groupDetailed mechanism explanations
📚 Education
(55)
paid
19
Awesome Organic Chemistry Flashcards
Awesome Organic Chemistry Flashcards
Awesome Organic Chemistry Flashcards
by Jacob Kearns
Free

Test your organic chemistry knowledge with this multiple-choice quiz study aid. It helps you memorize topics quickly with explanations and links to more information. Customize your study by filtering subjects and benefit from a smart question feature that avoids repetition.

Multiple-choice quiz formatExplanations with links to more infoFilterable subjects
📚 Education
(16)
freemium
20
KingDraw
KingDraw
KingDraw
by Qingdao KingAgroot Precision Agriculture Technology Co., Ltd.
Free

This app is a professional tool for chemists to sketch molecules, reactions, and organic chemistry pathways. It offers advanced features like real-time 3D modeling and IUPAC name conversion, with multi-device synchronization and broad file format compatibility.

Sketch molecules and reactionsReal-time 3D modelingIUPAC name to structure conversion
🔧 Utilities
(53)
free with in-app purchases

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