Screen Sizes – Apple UI Spec Guide vs Flutter In-App Localization Guide

Comparing the features of Screen Sizes – Apple UI Spec Guide to Flutter In-App Localization Guide

Feature
Screen Sizes – Apple UI Spec Guide
Flutter In-App Localization Guide

Capability Features

Adaptive Layout Support
Add New Languages Easily
App-Specific Localization
AppTranslations Class
AppTranslationsDelegate
Aspect Ratio
19.5:9
Asset Declaration for Localization
Camera Housing
Dynamic Island
Color Profile
Display P3
Contrast Ratio
2 000 000:1
Corner Radius
62 px
Device Display Size
6.9" LTPO OLED Display
Display Modes
XDRTrue ToneNight ShiftProMotionReferenceLarger TextMore SpaceSplit View and Slide OverWindowingStage ManagerAlways OnStandby
Dynamic Locale Change
JSON Language Files
Language Selection Page
Layout Guides
Status Bar: 440 × 62 px (Portrait)Home Indicator: 440 × 34 px (Portrait)Home Indicator: 956 × 21 px (Landscape)Camera Housing: 125 × 37 px (Portrait)Camera Housing: 37 × 125 px (Landscape)
Live Activity Templates
Minimal (Attached and Detached): 36 × 37 px to 45 × 37 pxCompact (Leading and Trailing): up to 122 × 37 pxExpanded: 412 × 64 px to 412 × 160 px
Pixel Density
460 (153 logical)
Processor Type
Apple A18 Pro
Scale Factor
3×
Size Classes
Fullscreen Portrait: Compact × RegularFullscreen Landscape: Regular × Compact
Supported Features
Haptic TouchFace IDLiDARApple PencilPencil HoverAction ButtonCamera ControlDouble TapNFC with Tap to PayUltra WidebandApple Intelligence
Supported iOS Versions
18 – 26
Supported Locales List
Maintained in Application class
Widget Templates
Small: 176 × 176 pxMedium: 378 × 176 pxLarge: 378 × 394 pxCircular: 60 × 60 pxRectangular: 158 × 60 pxInline: 257 × 26 px

Integration Features

Flutter Framework
Flutter Localizations Dependency
MaterialApp Integration

Limitation Features

Export Features
Integration Information
Manual Text Key Replacement
No Automatic Device Language Sync
Pricing Information
Requires JSON File Update per Language