This is a complex and sophisticated app that has used the full capabilities of the Adalo app development environment. Image optimisation, chat, Stripe purchases, as well as substantial use of APIs to enable geolocation, notification, and email (both transactional and through Mailchimp) all rolled into a fast and user familiar app.
There is also a web-based management interface that allows privileged users and Buengo support to administer functionality as required.