Starfinder digital.

[FirstChAoS]

I know app versions of pathfinder core books exist but is something similar being made for Starfinder?

I prefer book format but often read while eating and Starfinder books are very susceptible to damage from liquids. No, not just spills, mere unnoticed droplets rendered a hole in the envoy abilities info and a section in alien archive 2 unreadable. A digital copy would mean I would at least have a version I do not have to replace each time that happens. (I haven’t replaced either yet due to a lack of a gaming group).

[BigNorseWolf]

All of paizos products come as PDFs if you have a pdf reader

Archives of nethys for online rules

Or

starjammer srd

[Ollie Springheel]

If you end up getting a digital pdf book from paizo, "good reader" is my favorite pdf reader. I have so many rule books from different systems on there. You can organize them in folders, it can search text, make bookmarks, do text to speech, and a whole bunch of other useful tricks. I think it cost less than $5, but for an rpg nerd like me, it has been my most used app, worth every cent.