Users operate their smartphones with one hand 75% of the time. Are your designs suitable for this?
Critical design principles for one-handed usage:
- Bottom Navigation: Use a bottom navigation bar instead of a top menu bar
- Bottom Sheets: Open new content from bottom sheets rather than full screen
- Touch Instead of Scroll: Offer category filters instead of scrolling for long lists
- Reachability: Support iOS's screen lowering feature
- Easy Return: Place 'Back' buttons in accessible locations
Interfaces optimized for one-handed use can increase user satisfaction by 31% and extend application usage time.
Test your designs in real life - hold your phone with one hand and see how usable your application is.