App Detail » MoleculeSketch

What's New

- SVG export functionality added. Accuracy of exportet svg image may vary depending on the app used to view the exported svg file.
- with iPadOS 16.1 or newer: new template gallery with more templates (amino acids, carbohydrates, nucleotides)
- a problem, that could have resulted in the loss of added text fields, has been resolved
- clipping of stereo bonds reduced
- other improvements

App Description

MoleculeSketch is a simple and easy to use drawing App for chemical formulas and reactions.

It has following features:
+ add atoms and bonds nicely by position locking (can be disabled)
+ choose different bond types (double, stereochemical, delocalised, etc.)
+ add bonds with higher hapticity
+ type functional groups by double-clicking on symbol
+ show missing hydrogen atoms depending on free valences
+ "grow" and remove hydrogen atoms (*)
+ show non bonding electron pairs on heteroatoms
+ add reaction arrows and text fields
+ access drawing attributes from popover panels
+ calculate average mass and formula of molecules (*)
+ group and arrange objects (*)
+ change background color of drawing area and add a grid
+ copy/paste/cut molecules and drawings
+ paste drawings into other applications
+ import from mol/sdf files (*)
+ use gestures for zooming and rotation
+ import structures from mol- or sdf-files (*)

(*) some of these features and others are only available when using the full version (inApp purchase)

App Changes

• April 19, 2018 Initial release
• June 13, 2019 New version 1.1
• January 06, 2020 New version 2.0
• July 14, 2020 New version 2.1.1
• October 27, 2020 New version 2.2
• December 09, 2020 New version 2.2.2
• May 06, 2021 New version 2.2.3
• October 08, 2021 New version 2.3.1
• October 14, 2021 New version 2.3.2
• September 16, 2023 New version 2.6
• April 25, 2024 New version 3.1