The following functions are installed in the application.
You can use it by subscription for 1 month free.

· A set of drawing functions of basic structural formula.
· Drawing style corresponding to prominent journals such as ACS and RSC.
· Automatic calculation of molecular weight by label editing function and analysis of label · molecule.
· Drawing of text, circle, electric charge, arrow etc.
· Drawing with fixed angle · fixed length.
· Automatic addition of hydrogen atoms.
· Object Grouping.
· Changing the binding position to the atomic label and the drawing direction of the label.
· JPEG, PNG, PDF, MOL format supported.
· Easy creation of template files. You can quickly make complicated structures from parts.
· Open cloud for the advancement of science. You can upload a template for everyone to use.

● Auto-Renewing Subscription
Monthly payment US$6.49 (Free for 1 month.)

Restoration on Replacement of Device
When Replacement Device, you can restore the already your purchased items information for free. (Run => Restore Purchase button) ※ You must be logged in to AppStore of your Device with the same Apple ID as at purchase.

● Confirmation and cancellation

● About Auto-Renewing Subscription
– Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.
– Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.

● Notes
– Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.
– Those charged in the application can not be canceled by any method other than the above
– We do not accept cancellation for the current month.
– When you buy something with your Apple ID, your payment method will be charged either at the time of purchase or within a few days.
– Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.

● Supported devices
Screen resolution is 750px or more in width and 1334px or more in height.(Eg iPhone 6 or later)

● Privacy policy

● Terms of use

What’s New

Version 1.3

Tweaked some screen layouts.
Fixed a bug that the OpenCloud screen upload date is invisible on iPhone 6, 7, and 8.
Fixed a problem that parentheses were upper layer drawn of atoms until they were tapped once when reading a file.
Fixed a bug that caused a crash on iPhone when trying to insert a template file, Mol file, or image file into an open template.
Fixed a crash bug when restoring under certain conditions.


27.5 MB

Requires iOS 12.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Japanese

Age Rating
Rated 4+
© SimpleAppli Inc.
In-App Purchases
  1. Monthly plan $6.49


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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