What are some alternatives?
When comparing Tachiyomi and Orion Viewer, you can also consider the following products
CDisplay Ex - CDisplay Ex is the most used comic book reader.
YACReader - Download YACReader for your platform. Windows, Linux, MacOSX. And enjoy you comic books cbr cbz with the best comic reader.
Mcomix - MComix is an user-friendly, customizable image viewer.
STDU Viewer - Are you tired from many viewers one for each document?
Manga Rock - The best place to read the latest & greatest manga for FREE! From the makers of the popular Manga Rock app, we aim to provide the best-quality manga & be the first one to publish new chapters.
MangaMeeya - MangaMeeya belongs to one of the most popular tools among manga readers. Features: