Best Chem Sketch Apps

250+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

Out of 250+ chem sketch apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Chem Sketch Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1KingDrawKingDrawFree3.3★ (58)NoYesAug 2026
2Chem AI - Chemistry SolverChem AI - Chemistry SolverFree4.4★ (816)YesYesAug 2026
3ChemGraphic - Chemical EditorChemGraphic - Chemical EditorFree3.0★ (2)YesYesMay 2026
4Organic NomenclatureOrganic NomenclatureFree4.7★ (598)NoYesAug 2026
5Chem AI: Chemistry SolverChem AI: Chemistry SolverFree4.7★ (76)NoYesAug 2026
6Organic ReactionsOrganic ReactionsFree4.7★ (162)NoYesAug 2026
7ReactionFlashReactionFlashFree4.8★ (41)NoNoJul 2026
8Chemistry By Design: Target Synthesis DatabaseChemistry By Design: Target Synthesis DatabaseFree5.0★ (13)NoNoJul 2026

Top Picks for Chem Sketch

Chem AI - Chemistry Solver#2

Chem AI - Chemistry Solver by ZipoApps

Homework Helper, Answers
Strong Contender
📚 Education
4.4😞(816 ratings)
FreeAdsIn-App Purchases
Chem AI - Chemistry Solver screenshot 1
Chem AI - Chemistry Solver screenshot 2
Chem AI - Chemistry Solver screenshot 3
Chem AI - Chemistry Solver screenshot 4
Chem AI - Chemistry Solver screenshot 5

Instantly solve any chemistry problem with step-by-step explanations. Upload or photograph your questions, and get detailed solutions for various chemistry topics, from high school to advanced research. Offers a free trial before subscription.

What We Love

  • 🚀 Quick problem solving
  • 💡 Helpful for chemistry courses
  • 👍 Easy to use

Room to Improve

  • 🐛 Incorrect answers
  • 🔒 Subscription issues
  • 💰 Expensive
ChemGraphic - Chemical Editor#3

ChemGraphic - Chemical Editor by SIMPLEAPPLI INC

chemical structure drawing app
Worth Considering
📊 Productivity
3.0(2 ratings)
FreeAdsIn-App Purchases
ChemGraphic - Chemical Editor screenshot 1
ChemGraphic - Chemical Editor screenshot 2
ChemGraphic - Chemical Editor screenshot 3

Create and edit chemical structures with a comprehensive set of drawing tools. Supports journal-specific styles, automatic calculations, and multiple export formats. Share your creations via a public cloud.

More Chem Sketch apps to explore

4
Organic Nomenclature
Organic Nomenclature
Organic Nomenclature
Naming Made Simple
Free

Master chemical nomenclature with interactive lessons and quizzes covering various organic compound classes. Practice naming compounds and receive intelligent feedback to improve comprehension. View compounds in skeletal or condensed form.

Interactive naming lessonsPractice quizzesIntelligent quiz grading
📚 Education
(598)
free with in-app purchases
5
Chem AI: Chemistry Solver
Chem AI: Chemistry Solver
Chem AI: Chemistry Solver
Homework Helper & Chem Scanner
Free

Instantly solve chemistry problems by taking a picture or typing your query. Access an interactive periodic table, draw chemical structures, and calculate molar mass with this AI-powered assistant.

Snap and solve chemistry questionsText-based query solverInteractive periodic table
📚 Education
(76)
free with in-app purchases
6
Organic Reactions
Organic Reactions
Organic Reactions
by Florent Breton
Free

Access key functional group reactions and their mechanisms in organic chemistry. Quickly find links between reactants and products, including synthesis and protection reactions. Some advanced features and reaction lists require an additional purchase.

Functional group reactionsReaction mechanismsReactant-product links
📚 Education
(162)
free with in-app purchases
7
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
8
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
9
Chemify: AI Chemistry helper
Chemify: AI Chemistry helper
Chemify: AI Chemistry helper
Solves inorganic and organic
Free

This app simplifies chemistry by generating formulas, naming compounds, and balancing reactions. It offers an AI tutor, interactive tools, and practice quizzes to aid learning for students.

Formula and IUPAC name generationCompound property explorationReaction balancing
📚 Education
(4)
free with in-app purchases
10
Organic Chemistry Practice
Organic Chemistry Practice
Organic Chemistry Practice
Organic Chemistry Exercises
Free

Master organic chemistry with interactive exercises covering over 200 reactions. Practice completing mechanisms, drawing products, and identifying reactants. This app offers a fun and engaging way to learn complex chemical concepts.

Interactive exercisesLibrary of over 200 reactionsComplete reaction mechanisms
📚 Education
(1)
free with in-app purchases
11
Mobile Molecular DataSheet
Mobile Molecular DataSheet
Mobile Molecular DataSheet
by Molecular Materials Informatics, Inc.
Free

Easily draw and edit chemical structures on your mobile device. Organize molecules into datasheets, share them via email or iTunes, and integrate them into your existing workflows. Ideal for scientists and students needing a portable solution for molecular drawing.

Draw and edit chemical structuresTouchscreen-optimized sketcherOrganize molecules in datasheets
📊 Productivity
(6)
free
12
ChemUI Sketch Mobile
ChemUI Sketch Mobile
ChemUI Sketch Mobile
Drawing for organic chemists
Free
🔧 Utilities
(0)
13
Learn Organic Nomenclature
Learn Organic Nomenclature
Learn Organic Nomenclature
Nomenclature for AP Chemistry
Free

Learn the nomenclature of organic molecules through interactive levels and creative building. This app offers tutorials and challenges to help you master naming and drawing organic compounds.

Interactive naming and drawing exercisesOver 70 levels for various organic compoundsCreative mode to build and name molecules
📚 Education
(7)
free with in-app purchases
14
Chemistry Solver: AI Answers
Chemistry Solver: AI Answers
Chemistry Solver: AI Answers
Homework Helper & Chem Solver
Free

Instantly solve chemistry problems with AI-powered photo scanning and step-by-step explanations. Get help with balancing equations, organic mechanisms, and understanding complex concepts through interactive chat. This pocket tutor is designed to help students learn and ace their chemistry assignments.

Solve problems via photo scanAI chat for explanationsEquation balancing
📚 Education
(1)
free with in-app purchases
15
Periodic Table Memorization
Periodic Table Memorization
Periodic Table Memorization
Element symbols & chemistry
Free

Master element symbols and atomic numbers with interactive study modes. Build habits with daily streaks and reminders, track progress with charts, and prepare for chemistry exams. Works offline and offers a free trial.

Four study modes: flashcards, quiz, fill-in-the-blank, puzzleDaily streaks and remindersProgress tracking charts
📚 Education
(1)
free with in-app purchases
16
Chemistry Toolbox
Chemistry Toolbox
Chemistry Toolbox
by Florent Breton
Free
📚 Education
(0)
17
General Chemistry Tutor
General Chemistry Tutor
General Chemistry Tutor
General Chemistry Mastery
Free
📚 Education
(0)
18
AP Chemistry Practice Online
AP Chemistry Practice Online
AP Chemistry Practice Online
by Ben Wallenberg
Free
📚 Education
(0)
19
Chemistry Notes with MCQ - Become Chemistry Expert
Chemistry Notes with MCQ - Become Chemistry Expert
Chemistry Notes with MCQ - Become Chemistry Expert
by Santosh Mishra
Free
📚 Education
(0)
20
Chemistry. Periodic table. AI
Chemistry. Periodic table. AI
Chemistry. Periodic table. AI
Chemical reactions. Elements
Free

Explore an interactive periodic table with 3D models and AR features. This app offers an AI-powered tutor for simplified explanations, a reaction solver, and a molar mass calculator. It's a comprehensive reference for students and professionals to learn chemistry effectively.

Interactive Periodic Table with 3D modelsAI-powered chemistry tutor (ChemAI)Chemical reaction solver
📚 Education
(2.7K)
free with in-app purchases

FAQ about Chem Sketch

What are the best chem sketch apps for iPhone?
KingDraw tops our chem sketch apps ranking as of August 2026, with a 3.3-star average from 58 App Store ratings, and it's free to download.
Yes — 20 of the top chem sketch apps we rank are free to download, including KingDraw and Chem AI - Chemistry Solver.
KingDraw has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ chem sketch apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
KingDraw is a professional chemical drawing editor that allows users to sketch molecules, reactions, organic chemistry objects, and pathways. It provides tools for chemists to create and manage chemical structures and related diagrams.
Key features include top-speed drawing, real-time 3D modeling, conversion between IUPAC names and chemical structures, structural formula searching, chemical property analysis, intelligent gesture drawing, and intelligent beautifying. It also offers multi-terminal synchronization and multi-format compatibility.