Molecule vs Chemy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Molecule
This app allows users to create and share chemical structures with ease. It calculates molecular formula, weight, and elemental composition in real-time as you draw. Ideal for students and researchers needing a simple tool for molecular visualization.
- Draw chemical structures
- Share structures
- Calculate MF, MW, Monoisotopic Mass
- Calculate Elemental Composition
- Interactive calculations
- Modern interface
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Simple modern chemical structure editor. Allow to draw and share chemical structure. MF, MW, Monoisotopic Mass and Elemental Composition calculated interactively during drawing.
Chemy
This app provides a user-friendly periodic table with detailed element attributes. It offers tools for formatting chemical formulas, analyzing elements, and creating advanced molecular models. Users can also open and visualize molecule model files in various formats.
- Intuitive periodic table with element attributes
- Chemical formula formatting
- Predictive mass spectrum and elemental analysis
- Advanced carbon nanotube and graphene modeling
- Export models as GJF or XYZ files
- Open and visualize molecule model files (xyz, gjf)
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Chemy: Your Essential Chemistry Companion Created by chemist, for chemists, Chemy is the ultimate App designed to elevate your chemistry education and lab research to new heights. Unlock the Power of the Periodic Table: - Chemy presents the periodic table in a user-friendly, intuitive format, making it effortless to access vital information efficiently. - Compare key attributes such as atomic weight, electronegativity, electron affinity, ionization energy, radius, and isotopes of elements with ease. Precision Chemistry Tools at Your Fingertips: - Effortlessly format chemical formulas and gain insights with predictive mass spectrum and elemental analysis tools. Empower your research with unparalleled precision and accuracy. Advanced Modeling Capabilities: - Chemy takes your chemistry exploration to the next level by enabling you to create intricate models of carbon nanotubes and graphene. - Export your creations as GJF files or XYZ files, providing you with invaluable resources for further in-depth research in Gaussian or any other chemistry informatics calculation. Seamless Integration with Molecule Model Files: - Chemy now offers a seamless feature to open molecule model files, supporting popular formats like xyz, gjf, and more are coming. - Visualize and manipulate molecular structures effortlessly, enhancing your research capabilities. Experience the future of chemistry with Chemy – where knowledge meets innovation. Download now and revolutionize your chemistry endeavors today.
Screenshots
Verdict
The clearest difference is rating: Chemy at 5.0 against Molecule's 4.0. Chemy also leads on update cadence (every 4 days vs every 4 months) and review sentiment (89% vs 76%). Molecule's advantage is iOS requirement (7.0 vs 17.0). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Chemy holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 10 and 6 respectively. Written reviews point the same way: 76% of Molecule's written reviews are positive against 89% of Chemy's.
Molecule ships an update every 4 months, Chemy every 4 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Molecule | Chemy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (10 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 76.2% of reviews | 88.9% of reviews — better |
| Number of ratings | 10 — better | 6 |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 7.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Kirill Blinov | Zhijin Chen |
Customer experience
Molecule
Chemy
In-app purchases
Molecule
No in-app purchases
Chemy
No in-app purchases
Questions
Is Molecule free?
Is Chemy free?
Which has better reviews, Molecule or Chemy?
Do Molecule or Chemy have ads?
Which is updated more often, Molecule or Chemy?
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