Chirys Draw 2.5 - App Store

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About Chirys Draw

Draw complex molecular structures and reaction schemes using your fingertips. An easy circle gesture (U.S. Patent No. 9754085 and No. 10,424,399) makes even complicated polycyclic rings easy and fun to draw. Multiple...

Draw complex molecular structures and reaction schemes using your fingertips. An easy circle gesture (U.S. Patent No. 9754085 and No. 10,424,399) makes even complicated polycyclic rings easy and fun to draw. Multiple double bonds or multiple functional groups are simple to add all at one time. Annotation and reaction condition text is chemically aware and properly subscripts numbers. With over 175k downloads, Chirys Draw is speeding the way scientists draw and communicate. Imagine what you will create! Take notes at those seminars or class lectures! Present your ideas at project or group meetings! Draw structures and reaction schemes for your next paper! See the how-to videos on the Chirys web site. Key Features: . Create saturated, aromatic rings and chains . Draw reactions and reaction schemes with reaction conditions . Draw retrosynthetic pathways . Create multi-line text annotations with fonts and colors . Create complex fused and spirocyclic ring systems . Generate ion pairs . Airdrop sharing with colleagues . Airdrop transfer to your Macintosh . Copy and paste images or PDFs into Pages(R), Keynote(R), and other applications . Copy images to the Camera Roll . Send images of molecular structures by email, ready for publication . Make publication-quality prints and images . User-defined Groups . Export drawings as a scalable graphics PDF . Import and export molecules as MOL files Additional Features: . Automatic identification of molecular formulas in text . Molecular formula, weight, elemental composition, and exact mass calculations . Automatic layout of functional groups . Resonance and equilibrium arrows . 24 levels of undo and redo User feedback: “Wow. First of all, please let me say that this is the single best iPad application that I have ever used (not to mention one of the best structure drawing programs on any platform). You really nailed using gestures to design and manipulate structures. The app is an awesome example of harnessing the spirit of the iPad. I was up and drawing in 30 seconds. The interface is clean, intuitive, and so very well designed. Beautiful output too.” - Stephen “I use this for all my structure drawing needs now - desktop applications are so expensive and actually harder to use than Chirys Draw. Developer is very responsive. Improvements to the app keep coming. If you're a student, or a lecturer like myself, and need to draw quality chemical structures, then look no further. Exporting features make it easy to create a structure, then email to yourself for incorporation into a Powerpoint, Keynote, Word or any other sort of document. Highly recommended, and well worth the cost (much cheaper than desktop apps and for most purposes just as functional).” - Australian user “Extremely well-done, very easy to learn, and elegant. It will be easier and faster other competitors to sketch high-quality structures and could be really handy for taking notes in meetings.” - Jeff “Brilliant addition to the iPad workload. This is clearly a creative application and the most full featured molecular drawing app. I think the developers here have the most motivation, and have put more original thought into this. I hope they will be encouraged to continue with their vision...” - Cascade “I wanted to let you know directly how much I appreciate this app. It works exactly as advertised, is highly capable, and is now substituting for a desktop-based chemical structure drawing app. I am right now using it to prepare structures for my pharmacognosy lectures, and it is working well.” - Ian “The words that come to mind: Impressive. Quality. The development of Chirys Draw shows your deep, consistent, and scholarly chemistry flair and precision, and is impressive. Professional chemists will continue to love this.” - Atsuo “ChirysDraw represents the best chemical drawing package to date on the iPad.” - Brian “Thank you again for such a lovely program.” - Olivia

Version History Update for iOS 14 • Announce “U.S. Patent No. 10,424,399” in About Box • Enhance display of Documents View • Fix Tool View and Documents View for large iPads • Epimerization gesture changed to two-finger swipe • Updated sample molecules • Request Letter-sized paper source for printing • Other bug fixes and performance enhancements 2.5 04/23/2021 This update from Apple will improve the functionality of this app. No new features are included. • Update for iOS 11 • Add rotate clockwise / counter clockwise with calculated angle • Support the import of a nitrogen atom with two or three bonds a formal charge • Change multiple charge display from “+2” to “2+” • Improved ring double bond drawing • Fix bug preventing the use of bottom row of Groups • Fix bug saving drawing images to the Cameral Roll • Other bug fixes and performance enhancements 2.1 11/20/2017 • Update for iOS 10 • Add elements Nihonium, Moscovium, Tesserine, Oganesson • Copy and paste between Chirys Draw and Asteris • Include Print Preview in print panel • Improved ring double bond drawing • New Chirys Draw app icon • Other bug fixes and performance enhancements 2.0 01/02/2017 • Updated for iOS8 (best with iOS8!) • Added 64-bit architecture • Replace Group wheel with Groups and Template panel • Export RXN/RD files • Add Press and Drag gesture to draw chains • Add image parameters panel for image resolution, transparent background • Permit +1 charge on N2 groups 1.80 08/05/2015 Updated user interface for iOS7 Add sulfoxide support, using either double bond, or separated charges Add multiple ring creation with one gesture if atoms are selected Permit scaling with selected atoms and bonds Add wavy bonds if Single bond tapped a second time Allow gem-dimethyl creation with a bond selected Add triple tap gesture to Add Text 1.70 08/07/2014 • Changing a single atom to halide atoms, Li, Na, K, Ca, or Mg creates the appropriate ion • Inadvertent touches of the display surface no longer creates chain • Improve distinction between checkmark (gem-dimethyl) gesture and swipe (create chain) gesture • RGroup is annotated in the molecular formula • Added “L” group for ligand • Plus signs are added when more than one product is associated with a reaction • Imports a molecule with RNH3(+) group charged properly 1.5.3 09/14/2013 Version 1.5.2 Read Greek letters in MOL/SDF files Retro-synthetic arrows created in the swipe direction Add correct number of hydrogens to imported RNH3(+) group Minor bug fixes, performance enhancements Version 1.5: Create multi-line text annotations Copy PDF (scalable graphics) to Pasteboard Copy image to Camera Roll Export PDF (scalable graphics) to email Image files cropped to molecules Control annotation text font face, color, and size Create chains in additional directions Generate single atoms  Create ion-pairs  Fuse separate rings  Calculate exact mass Exchange drawings by Chirys exchange file format  Create User-Defined Groups  Epimerize chiral centers with two finger swipe down  Display charges greater than +/-1 (e.g., 2+)  Create reaction arrow in direction of swipe 1.5.2 04/15/2013 Create multi-line text annotations Copy PDF (scalable graphics) to Pasteboard Copy image to Camera Roll Export PDF (scalable graphics) to email Image files cropped to molecules Control annotation text font face, color, and size Create chains in additional directions Generate single atoms Create ion-pairs Fuse separate rings Calculate exact mass Exchange drawings by Chirys exchange file format Create User-Defined Groups Epimerize chiral centers with two finger swipe down Display charges greater than +/-1 (e.g., 2+) Create reaction arrow in direction of swipe 1.51 01/07/2013 Create multi-line text annotations Copy PDF (scalable graphics) to Pasteboard Copy image to Camera Roll Export PDF (scalable graphics) to email Image files cropped to molecules Control annotation text font face, color, and size Create chains in additional directions Generate single atoms Create ion-pairs Fuse separate rings Calculate exact mass Exchange drawings by Chirys exchange file format Create User-Defined Groups Epimerize chiral centers with two finger swipe down Display charges greater than +/-1 (e.g., 2+) Create reaction arrow in direction of swipe 1.5 12/21/2012 This update enhances gestures, improves scientific accuracy, and fixes bugs. • Tweet a molecule (for iOS 5 or later) • High resolution images for Retina display • Added resonance type reaction arrow • Improved ring fusion with overlapping atom elimination • Changed bond pivot to work in Draw mode (two finger swipe) • Print now includes element colors if turned on • Groups are expanded on MOL/SD file export • Removed memory warnings, improved memory usage • Groups can be expanded from Molecule compose panel • Duplicate also copies Annotations and Reactions • Coordinates from imported molecule are scaled properly • Edit Text on popup menu • Ring perception used on molecule import • Improved placement for formal charge • Added Cbz carboxybenzyl protecting group • Improve formula detector 1.1 03/24/2012 This update enhances gestures, improves scientific accuracy, and fixes bugs. • Tapping Thick Bond button creates a bond as well as changes to thick. • Fix Scaling so that it doesn’t jump to default scaling. • Allowed gem-dimethyl for elements other than carbon. • Add two-finger double tap to change to Move Mode. • Adding RGroups doesn’t lose bond order or wedge type. • Fixed molecular formulas starting with single character element. • Add Groups for: NHAc, PPh3, PO(OMe)2, OMOM, OTES, OEE • Fix rotation of reaction arrows so that 180 degree rotation is easier. • Add Equilibrium reaction arrow type. Create with three finger swipe to the right. • Add Help screen. • Bond/molecule flip now retains correct chirality for moving atoms. • Wedge up and down buttons now sprout on more than one selected atom. • Hydrogen atoms attached to carbon atoms are stripped on reading MOL/SD file. • Improved geometry of some carbon sprout angles and chain extensions. • Paste sets Move Mode, like Duplicate. • Improve sprout vectors for creating a gem-dimethyl at a terminal atom • Select atoms and bonds created using the gem-dimethyl. • Make gem-dimethyl gesture easier to detect. • Add full periodic table. • Alphabetize molecular formula and elemental composition after C, H. • Paste centers molecule if only one, offsets molecules if more than one. • Fix MOL file reader when making bonds to more than one RGroup. 1.0.1 11/15/2011 1.0.0 08/29/2011

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Previous Versions

Here you can find the changelog of Chirys Draw since it was posted on our website on 2016-11-05 04:00:47. The latest version is 2.5 and it was updated on 2026-06-07 00:12:07. See below the changes in each version.

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