Do:- Use simple, recognizable shapes
- Ensure readability at small sizes
- Use bold colors with good contrast
- Make it unique and memorable
- Test on different backgrounds
Don't:- Include text (unless it's a logo)
- Use photos
- Include borders or shadows (iOS adds these)
- Copy other app icons
- Use transparency on iOS
Screenshots
iOS Screenshot Sizes
Device
Portrait
Landscape
iPhone 6.7" (14 Pro Max)
1290 x 2796
2796 x 1290
iPhone 6.5" (11 Pro Max)
1242 x 2688
2688 x 1242
iPhone 5.5" (8 Plus)
1242 x 2208
2208 x 1242
iPad Pro 12.9" (6th gen)
2048 x 2732
2732 x 2048
iPad Pro 12.9" (2nd gen)
2048 x 2732
2732 x 2048
iOS Screenshot Requirements:
PNG or JPEG format
RGB color space
72 dpi minimum
Maximum 10 screenshots per device
First 3 screenshots most important (visible in search)
Android Screenshot Sizes
Type
Minimum
Maximum
Aspect Ratio
Phone
320 px
3840 px
16:9 or 9:16
7" Tablet
320 px
3840 px
16:9 or 9:16
10" Tablet
320 px
3840 px
16:9 or 9:16
Android Screenshot Requirements:
PNG or JPEG format
No alpha/transparency
Minimum 2 screenshots
Maximum 8 screenshots per form factor
Screenshot Best Practices
1. Show Key Features
Screenshot 1: Hero shot - Main value proposition
Screenshot 2: Key feature #1Screenshot 3: Key feature #2Screenshot 4: Key feature #3Screenshot 5: Social proof or additional features
2. Add Context with Text
Headline:- Short, benefit-focused
- Max 5-7 words
- Large, readable font
Subheadline (optional):- Supporting detail
- Smaller font
Example Headlines:-"Track Your Progress"-"Connect with Friends"-"Save Time Every Day"-"Beautiful Analytics"
3. Design Template Structure
┌─────────────────────────┐
│ │
│ HEADLINE TEXT │ <- Top 20% for text
│ (Large, Bold) │
│ │
├─────────────────────────┤
│ │
│ │
│ DEVICE MOCKUP │ <- Center 60% for device
│ with App Screen │
│ │
│ │
├─────────────────────────┤
│ │
│ (Optional subtext) │ <- Bottom 20% optional
│ │
└─────────────────────────┘
4. Color and Style Consistency
Background:- Use brand colors
- Gradients work well
- Avoid pure white (blends with store)
Typography:- 1-2 font families max
- Consistent sizing across screenshots
- High contrast for readability
Device Frames:- Optional but professional
- Use latest device models
- Consistent frame style
Screenshot Localization
Languages to Consider:- English (US)
- English (UK)
- Spanish
- French
- German
- Japanese
- Korean
- Chinese (Simplified)
- Chinese (Traditional)
- Portuguese (Brazil)
Tips:- Translate text overlays
- Show localized app content
- Consider cultural differences
- Adjust text length for different languages
Feature Graphics
Google Play Feature Graphic
Asset
Size
Feature Graphic
1024 x 500 px
Requirements:
PNG or JPEG
No transparency
Used prominently in Play Store
Most important marketing asset for Android
Design Guidelines:
┌─────────────────────────────────────────┐
│ │
│ LOGO HEADLINE TEXT │
│ or "Your App's │
│ ICON Main Benefit" │
│ │
│ [App Screenshot Preview] │
│ │
└─────────────────────────────────────────┘
Do:- Include app name/logo
- Show a key app screen
- Use brand colors
- Keep it simple and bold
Don't:- Overload with text
- Use low-quality images
- Include "New" or "Sale" badges
- Show pricing information
App Store Promotional Art (Optional)
Asset
Size
Usage
Promotional Art
1024 x 1024 px
Featured placements
Video Previews
iOS App Preview
Device
Size
Duration
iPhone 6.7"
1290 x 2796
15-30 sec
iPhone 6.5"
886 x 1920
15-30 sec
iPad Pro 12.9"
1200 x 1600
15-30 sec
Requirements:
H.264 codec
30 fps
AAC audio (optional)
No letterboxing
Start with app footage (not title card)
Google Play Promo Video
Format: YouTube URL
Duration: 30 seconds to 2 minutes recommended
Resolution: 1080p minimum
Tips:- First 10 seconds most important
- Show actual app usage
- Include captions (many watch muted)
- End with clear call-to-action
Video Content Structure
0:00-0:05 Hook - Show best feature
0:05-0:15 Problem - What does your app solve?
0:15-0:25 Solution - How your app helps
0:25-0:30 CTA - Download now