Touch, Apple Pencil and stylus

How to read and write with your fingers, Apple Pencil on iPad, or a stylus on Android, including E Ink tablets and left-handed layouts.

Applies to Mendeley and Zotero editions iPad · Android Free

This feature is not in the Windows · Linux app.

Touch gestures

What you wantiPadAndroid
Turn the pageScrollTap the left or right third of the page, or press the volume keys
Show or hide the menusTap the page; in Reading Mode, the round pen-tip button on the right edgeTap the middle of the page (shows or hides the buttons, the tool rail and the footer)
ZoomPinchPinch, or double-tap (2.5×, double-tap again to go back)
Select textLong-press a word, then drag the handlesLong-press a word, then drag the handles
Put a sticky noteChoose the Sticky note tool, then tap the pageChoose the Sticky note tool and tap, or long-press an empty spot
Switch papersSwipe sideways from the edge of the screenSwipe sideways from the edge of the screen
  • AndroidWhen you are zoomed in on Android, a tap at the side does not turn the page; zoom out first.
  • For more on switching papers, see Open papers and switching.

Apple Pencil (iPad)

  • iPadTurn on Ink ON in the status bar at the bottom (on iPhone, at the top right next to undo), then write with Apple Pencil (or a finger). Turn it off to use highlights, sticky notes and the other tools again. See Handwriting.
  • iPadDouble-tap (Apple Pencil 2) and squeeze (Apple Pencil Pro) follow your iPad's Apple Pencil settings: switch to the eraser, go back to the previous tool, or show the palette.
  • iPadThe palette has a pen, the HL Pen, an eraser and a button that turns handwriting off.
  • iPadWith a Pencil that supports hover, a ring shows the color and width before you touch the page.
  • iPadIn Reading Mode, double-tap or squeeze also shows or hides the menus.

Stylus (Android) Android

  • AndroidTap Ink ON in the footer, then choose the Pen in the tool rail. See Handwriting.
  • AndroidHold the pen's button while you write to erase.
  • AndroidSettings › Reader › Draw with the stylus only: fingers scroll and select, and only the pen draws or erases.
  • AndroidSettings › Reader › Pen button chooses what a press of the button does while the pen hovers: Toggle eraser, Previous tool or Do nothing.
  • AndroidIn Reading Mode, the pen and eraser also work with a finger.

E Ink tablets Android

  • AndroidRectoly recognizes E Ink devices and uses settings that suit them: one page at a time, the footer shown from the start, and no bouncing scroll.
  • AndroidIt also makes text larger, buttons easier to tap, and grey text and dividers darker, so settings, lists and menus are easier to read.
  • AndroidSettings › Reader › E Ink optimisation turns this on or off. Settings you have chosen yourself stay as they are.

Left-handed layout

  • AndroidSettings › Reader › Left-handed controls puts the tool rail on the right and the menus on the left.
  • iPadLeft-handed (controls on the left) in the reader's settings moves the floating buttons to the left side and the tool rail to the right.

On Windows Windows

WindowsWindows treats a touch screen and a pen like a mouse: tap to click, drag to select. You can write with a pen or a finger using the Pen tool. See Mouse, right-click and drag.

Updated September 27, 2026