Hello, we have 20 years of experience in web development, we can make your App in a hybrid IONIC system; In other words, with a single development you have the possibility of creating an App for Android, iOS (iPhone, iPad), MacOS and Windows, in addition, it can be viewed on the Web and thus you can upload it to the App Store, Play Store and Windows Store.
The App must be connected to a content manager with the products to be shown, they surely have it on their website and if not, we can coordinate to provide them with the connection with their content site, so that they can load the information in the App.
We chat for more details.