You can install Bookem as an app on different Apple devices, including your iPhone, iPad and Mac devices.
Note: Bookem is what’s called a Progressive Web App (PWA). This means that it's not necessary to download from an app store.
Follow these steps:
Open your Safari browser
Navigate to app.bookem.com and sign into your account
Click the download icon at the bottom of your browser
Choose 'Add to Home Screen'
Here's why:
It's possible that you are viewing the app on an unsupported browser. Make sure you are on Safari and not Google Chrome or a different browser.