Seeking Solution for Online Reader for eBooks

[EBMSTORE]

We are selling eBooks, I need to know any online reader feature is available on shopify, instead of digital download options, so that we can provide subscription-based services instead of per eBook cost.

[chitsung]

Hi @EBMSTORE , 

I plan to provide aas epub Reader for shopify app store.

But I'm looking for a good solution to let my reader get online epub file.