• mipmap-ldpi (120 dpi, Low density screen) - 36px × 36px
• mipmap-mdpi (160 dpi, Medium density screen) - 48px × 48px
• mipmap-hdpi (240 dpi, High density screen) - 72px × 72px
• mipmap-xhdpi (320 dpi, Extra-high density screen) - 96px × 96px
• mipmap-xxhdpi (480 dpi, Extra-extra-high density screen) - 144px × 144px
• mipmap-xxxhdpi (640 dpi, Extra-extra-extra-high density screen) - 192px × 192px

• iPhone: App (iOS 5 - 6)
  • 57px × 57px (57pt @1x)
  • 114px × 114px (57pt @2x)
• iPhone: App (iOS 7 - 10)
  • 120px × 120px (60pt @2x)
  • 180px × 180px (60pt @3x)
• iPad: App (iOS 5 - 6)
  • 72px × 72px (72pt @1x)
  • 144px × 144px (72pt @2x)
• iPad: App (iOS 7 - 10)
  • 76px × 76px (76pt @1x)
  • 152px × 152px (76pt @2x)
• iPad Pro: App (iOS 9 - 10)
  • 167px × 167px (83.5pt @2x)
• AppStore
  • 1024px × 1024px

• iPhone: Notification (iOS 7 - 10)
  • 40px × 40px (20pt @2x)
  • 60px × 60px (20pt @3x)
• iPad: Notifications (iOS 7 - 10)
  • 20px × 20px (20pt @1x)
  • 40px × 40px (20pt @2x)

• iPhone: Spotlight (iOS 5 - 6)
  • 29px × 29px (29pt @1x)
  • 58px × 58px (29pt @2x)
  • 87px × 87px (29pt @3x)
• iPhone: Spotlight (iOS 7 - 10)
  • 80px × 80px (40pt @2x)
  • 120px × 120px (40pt @3x)
• iPad: Spotlight (iOS 5 - 6)
  • 50px × 50px (50pt @1x)
  • 100px × 100px (50pt @2x)
• iPad: Spotlight (iOS 7 - 10)
  • 40px × 40px (40pt @1x)
  • 80px × 80px (40pt @2x)

• iPhone: Settings (iOS 5 - 10)
  • 29px × 29px (29pt @1x)
  • 58px × 58px (29pt @2x)
  • 87px × 87px (29pt @3x)
• iPad: Settings (iOS 5 - 10)
  • 29px × 29px (29pt @1x)
  • 58px × 58px (29pt @2x)

• 20px × 20px
• 29px × 29px
• 40px × 40px
• 50px × 50px
• 57px × 57px
• 58px × 58px
• 60px × 60px
• 72px × 72px
• 76px × 76px
• 80px × 80px
• 87px × 87px
• 100px × 100px
• 114px × 114px
• 120px × 120px
• 144px × 144px
• 152px × 152px
• 167px × 167px
• 180px × 180px
• 1024px × 1024px (Minimal for source image)

Learn more:

• https://developer.apple.com/ios/human-interface-guidelines/graphics/app-icon