Fonts, themes and full screen

Everything is changed from inside the book: tap the center of the page to open the menu, then the gear. On a phone this opens Your page, with a preview at the top (How it will look) that updates as you tap. Tap Done to close it.

These settings are per device: you can read with large type on your phone and small type on your tablet. The book's theme is also independent from the app's theme.

Type

• Size: tap or drag between the small A and the big A. Changing it doesn't move you away from the sentence you were on.
• Font: each one is shown written in itself. On every device you have Georgia, Literata (the closest to Kindle's), EB Garamond, Inter, Atkinson (for low vision) and OpenDyslexic (for dyslexia). On iPhone and iPad you also get New York, Charter, Palatino and Iowan, the Apple Books fonts.
• Book style (on): keeps the book's own layout: indents, verses and poems, italics, small caps, justified text, centered headings. Your font, size, line spacing and colors still win. Turn it off if you'd rather have every book with the same plain look.

Color

• Themes: Light, Sepia, Paper, Green, Dark, Slate and Black (great for OLED screens).
• + Yours: create your own theme by picking the color of the Page, the Text and the Links. Kevra warns you if the contrast is too low for long reading. To edit one of your themes, long-press its card.
• Automatic day and night: Off, With the system (follows your phone's dark mode) or By time (you choose Night from and Until). It switches between the last day theme and the last night theme you used.

The Day/night button in the reader toolbar does that switch by hand, in one tap.

Page

• Paged, Slide or Scroll: see Reader basics.
• Line spacing: Tight, Normal, Relaxed or Loose.
• Keep screen on: System, 5 min, 10 min or Always. With minutes, the screen stays on while you turn pages; if you leave the book open untouched, your phone takes over again.
• Rotation lock: keeps the screen in Portrait or Landscape (whichever you're in when you tap it) while you read. When you leave the book, the app rotates as usual again. On iPad, the iPad's own rotation lock is what counts.

Full screen

While you read, the clock, battery and system buttons are hidden; they come back when you open the menu. Under Full screen you choose what you see:

• At the top: Chapter, Title or Nothing, and the Clock on or off.
• Bottom right: Book percentage or Book pages (123 of 456). Pages are approximate: they depend on your font and screen.
• Time left, at your pace: Don't show it, Chapter, Book or Both. It's worked out from your own reading speed in that book.

More settings

• Dim: darkens the page by 20, 40 or 60% beyond your phone's minimum brightness, for reading in the dark.
• Bionic reading and Word by word: see Speed reading and bionic reading.
• Toolbar buttons: which buttons appear in the reader menu.

Note: on an ereader with e-ink mode on, the settings appear in a simple black-and-white panel and only the light and dark themes are available. See E-ink mode.