Match the manga to the screen you actually use
A large tablet, small phone, and desktop screen each change how manga feels. Before buying, test a sample on the device you will use most often.
Small text, double-page spreads, and dark panels can feel very different across screens.
Check comfort before collecting volumes
If reading for ten minutes already feels tiring, a long series will not magically become easier. Confirm zoom, page turn speed, brightness, and app stability early.
Comfort is a purchase condition, not a bonus feature.
Think about where the library lives
Device comfort and library behavior belong together. The best setup is the one where you can read, pause, and return without friction.