Is $7 USD, one time charge? Is there any free trial available?

No, $7 USD billed after the free trial period will expire. You'll get a 7 Days free trial for this App.

After installing the App, where should I check in front end?

Please check this page after installing our App >> https://yourdomain.myshopify.com/apps/quick-shop

How to showcase Quick Order Page on my Online Storefront?

You can create Menu Item for Quick Order Page by Go to Online Store >> Navigation like below window:

Custom design changes Lost After click on 'Install App Code' button.

When you Click on "Install App Code" button, then old files are deleted, and new files are created so whatever changes you have done in design part will be deleted permanently. Therefore, we have put an alert message when you click on "Install App Code" button.

Quick Order App is not Working After Changing Theme.

After installation of our Quick Order app, our App files are copied under your currently active theme. So when you change your theme, App files will not be there on that new theme. We suggest you to Go to Admin >> Apps >> Quick Shop >> INSTALLATION / UNINSTALLATION tab. You will see below window:

 

Just choose your Theme from Dropdown then Click on Install App Code button.

How can I Uninstall App Files from Active Theme or Any other Theme?

App Files will not removed after Uninstallation of the App. So, You can Uninstall App Code Files before you uninstall the App. For that, Please Go to Admin >> Apps >> Quick Shop >> INSTALLATION / UNINSTALLATION tab. You will see below window:

Just choose your Active Theme OR another Theme (In which You had installed App Code Files) from Dropdown then Click on Uninstall App Code button.

Then after Click on Delete Quick Order Page button to Delete Quick Order Page from your store.

How can I modify Quick Order Page styles or Look?

You can modify styles for the Quick Order Page for that just Go to your Online Stores >> Themes >> Actions >> Edit Code >> Assets >> quick-single-orderform.css.

How can I show specific Collections only inside "Choose Categories" dropdown?

You can do by Go to Admin >> Apps >> Quick Shop >> General Settings like below window:

Here, Just move Collections from left-side box to SELECTED CATEGORY LIST, which you want to show in Quick Order Page and save it!