| Density | Android density qualifier | iOS scaling factor |
|---|---|---|
| Low-density (~120dpi) | ldpi | not supported |
| Medium-density (~160dpi) | mdpi | original scale |
| High-density (~240dpi) | hdpi | not supported |
| Extra-high-density (~320dpi) | xhdpi | @2x |
| Extra-extra-high-density (~480dpi) | xxhdpi | @3x |
| Extra-extra-extra-high-density (~640dpi) | xxxhdpi | @4x |
source: https://developer.android.com/studio/write/resource-manager#automatic-parsing