Based on our record, MuPDF seems to be more popular. It has been mentiond 20 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.
MuPDF mini (version 1.23.3a): Minimalist viewer for PDF, XPS, CBZ, unprotected EPUB, and FB2 documents. Source: 8 months ago
Mupdf is the mupdf of epub; it supports epub and other formats beyond pdf¹. When I've had really large files I've used mupdf to read them a few times, as it seems to be far better at handling them than other tools. ¹ https://mupdf.com/. - Source: Hacker News / 9 months ago
Doesn't exactly fit your requirements, but might as well mention it here: muPDF - the most lightweight PDF viewer that I've ever seen. You don't even have to install it. Mobile version exists by the way. Source: about 1 year ago
MuPDF viewer (version 1.21.0a): Lightweight document viewer. Source: about 1 year ago
I don't see anything about that on ArchWiki or MuPDF's website. Could you provide details on how it is obsolete and what critical vulnerabilities it has? Source: over 1 year ago
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Documents by Readdle - A central hub for all your files.
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
Documents Pro 7 - The ultimate all-in-one mobile office suite for the iPhone and iPad with 8 premium apps in 1.
Okular - Okular is a universal document viewer based developed by KDE.
GoodReader - With GoodReader on your iPhone, iPod Touch or iPad, you can read virtually anything, anywhere.