Based on our record, PSPDFKit should be more popular than Sumatra PDF. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
For a commercial solution check out https://pspdfkit.com/. Full disclosure, I am a Solutions Engineer for the company. I’m happy to answer any questions you have. Source: 12 months ago
Never touched it but there’s something called PSPDFKit. Source: over 1 year ago
The team at PSPDFKit, who make this app, is one of the most knowledgeable teams when it comes to PDF content that I've ever interacted with. Source: over 2 years ago
You can use your browser for both, there are extensions(FireFox - PDF & EPUB/Chrome - PDF& EPUB) for that. In case, you want you use a separate software for them, I suggest SumatraPDF--it handles both PDFs and .EPUB files. Source: over 1 year ago
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