About this app
The following functions are installed in the application. · 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. ● Price The first time there is a one week free trial. After that, the amount of the weekly or monthly plan will be charged. ● Restoration on Replacement of Device When using a Replacement device, you can restore the information of your subscribed items for free. (Run => Restore button) ※ You must be logged in to the App Store on your device with the same Apple ID used for the transaction. ● Confirmation and cancellation https://support.apple.com/en-gb/HT202039#iOS ● 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 payment. – 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 complete a transaction with your Apple ID, your payment method will be charged either at the time of the transaction or within a few days. – Any unused portion of a free trial period, if offered, will be forfeited when the user subscribes to that publication, where applicable. ● Supported devices Devices with iOS or iPadOS(OS version within the support period) ● Privacy policy https://simpleappli.com/en/privacy_policy_en.html ● Terms of use https://simpleappli.com/en/terms_en.html
Latest release
What’s New
In this update, the following fixes have been applied: 1. Fixed an issue where, under certain conditions, the state of specific arrows was not correctly saved. 2. Fixed an issue where the circle tool could produce distorted circles under certain conditions. 3. Improved the stability and usability of the arrow tool under specific conditions. 4. Fixed an issue where the application would crash under certain conditions when loading a file created on the Mac version. 5. Minor fixes have been made to improve the stability of the app.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 3:02 PM Free
Screenshots
