# System Requirements
Ensure your device meets the minimum requirements and is optimally configured for Lizard.
## Minimum Requirements
### iOS Version
- **Required**: iOS 18.6 or later
- **Recommended**: Latest iOS version available for your device
- **Compatibility**: iPhone and iPad supported
- **Architecture**: ARM64 (all devices since iPhone 5s and iPad Air)
### Device Compatibility
#### Supported iPhones
- **iPhone 15 series**: Full feature support, optimal performance
- **iPhone 14 series**: Full feature support, excellent performance
- **iPhone 13 series**: Full feature support, excellent performance
- **iPhone 12 series**: Full feature support, excellent performance
- **iPhone 11 series**: Full feature support, good performance
- **iPhone XS/XR series**: Full feature support, good performance
- **iPhone X**: Full feature support, moderate performance optimization
- **iPhone 8/8 Plus**: Full feature support, performance-optimized settings
- **iPhone 7/7 Plus**: Limited support, may require iOS compatibility
#### Supported iPads
- **iPad Pro (all generations)**: Full feature support, excellent performance
- **iPad Air (3rd generation and later)**: Full feature support, excellent performance
- **iPad (9th generation and later)**: Full feature support, good performance
- **iPad mini (5th generation and later)**: Full feature support, good performance
- **Older iPad models**: Check iOS compatibility for availability
### Hardware Requirements
#### Storage Space
- **Minimum**: 50MB for app installation
- **Recommended**: 100MB+ free space for optimal performance
- **Best Practice**: Maintain 1GB+ free space for iOS system operations
- **Cleanup**: Regular storage management improves performance
#### Memory (RAM)
- **Minimum**: 1GB RAM (automatically managed by iOS)
- **Recommended**: 2GB+ RAM for best performance
- **Optimization**: Close background apps during intensive gameplay
- **Multiple Lizards**: More RAM allows for higher lizard counts
#### Processor
- **Minimum**: A9 chip (iPhone 6s/iPad 5th gen equivalent)
- **Recommended**: A12 chip or newer for 60+ FPS performance
- **Optimal**: A15 chip or newer for maximum performance and features
- **Performance Scaling**: App automatically adjusts for your device
## Performance Expectations
### High-End Devices (A15 chip and newer)
- **Frame Rate**: Sustained 60+ FPS gameplay
- **Lizard Count**: 250-300 concurrent lizards smoothly
- **Features**: All visual effects and features enabled
- **Session Length**: Extended play sessions supported
- **Motion Controls**: Highly responsive tilt controls
### Mid-Range Devices (A12-A14 chips)
- **Frame Rate**: Consistent 60 FPS with occasional optimization
- **Lizard Count**: 200-250 concurrent lizards recommended
- **Features**: Full feature set with performance adaptations
- **Session Length**: Good support for extended sessions
- **Motion Controls**: Responsive tilt controls
### Entry-Level Devices (A9-A11 chips)
- **Frame Rate**: 30-60 FPS with performance optimizations
- **Lizard Count**: 100-150 concurrent lizards recommended
- **Features**: Core features with efficiency optimizations
- **Session Length**: Shorter sessions for best experience
- **Motion Controls**: Basic tilt control support
## Network Requirements
### Internet Connectivity
- **Core Gameplay**: No internet required for basic features
- **Game Center**: Internet required for achievements and leaderboards
- **Support**: Internet needed for in-app messaging and help
- **Updates**: App Store updates require internet connection
### Network Types
- **WiFi**: Recommended for Game Center sync and support features
- **Cellular**: Full functionality on 4G/5G networks
- **Airplane Mode**: Core gameplay works offline
- **Roaming**: Game Center may be limited while roaming
## iOS Feature Dependencies
### Required Permissions
#### Motion & Orientation
- **Purpose**: Device tilt controls for gravity direction
- **Required**: No, but highly recommended for full experience
- **Fallback**: Gravity defaults to device orientation without permission
- **Privacy**: Motion data processed locally, never transmitted
#### Game Center
- **Purpose**: Achievements, leaderboards, and progress tracking
- **Required**: No, all core features work without Game Center
- **Benefits**: Progress preservation and social features
- **Setup**: Requires Apple ID and internet connection
### iOS Services
#### Core Motion Framework
- **Dependency**: Required for tilt controls
- **Availability**: Built into iOS, no additional setup needed
- **Compatibility**: All supported devices include necessary sensors
- **Performance**: Optimized for real-time motion processing
#### SpriteKit Framework
- **Dependency**: Required for physics simulation
- **Availability**: Built into iOS since iOS 7
- **Performance**: Hardware-accelerated graphics rendering
- **Optimization**: Automatic performance scaling for device capabilities
## Compatibility Considerations
### iOS Version Updates
#### Staying Current
- **Security**: Latest iOS versions include important security updates
- **Performance**: Newer iOS versions often improve app performance
- **Features**: Some features may require newer iOS versions
- **Compatibility**: Lizard is tested on latest iOS versions
#### Older iOS Versions
- **Support**: Minimum iOS 18.6 required
- **Limitations**: Some features may be unavailable on older versions
- **Performance**: Older iOS versions may have reduced performance
- **Updates**: Update iOS when possible for best experience
### Device Age Considerations
#### Hardware Degradation
- **Battery**: Older batteries may affect performance (iOS battery management)
- **Storage**: Flash storage may slow down over time
- **Sensors**: Motion sensors maintain accuracy but may need calibration
- **Heat**: Older devices may run warmer during intensive use
#### Optimization Strategies
- **Performance Mode**: App automatically adapts to device capabilities
- **Maintenance**: Regular device restarts help maintain performance
- **Storage Management**: Keep adequate free space for optimal operation
- **Background Apps**: Close unnecessary apps during gaming
## Checking Your Device
### Finding Your Device Information
#### Device Model
1. **Settings > General > About**
2. **Look for "Model Name"** (iPhone 12 Pro, iPad Air, etc.)
3. **Chip Information**: Listed as "Chip" in About section
4. **iOS Version**: Shows current iOS version installed
#### Storage Information
1. **Settings > General > iPhone/iPad Storage**
2. **Available Space**: Check free storage remaining
3. **App Usage**: See how much space Lizard uses
4. **Recommendations**: iOS suggests storage optimizations
#### Performance Monitoring
1. **In-Game Statistics**: Monitor lizard count and performance
2. **Frame Rate**: Watch for smooth animation
3. **Heat Management**: Device temperature during extended play
4. **Battery Usage**: Monitor in Settings > Battery
### Optimization Recommendations
#### Before Playing
- **Close Background Apps**: Double-tap home or swipe up to close apps
- **Check Storage**: Ensure adequate free space
- **Restart Device**: Periodic restarts help maintain performance
- **Update Apps**: Keep iOS and Lizard updated
#### During Play
- **Monitor Performance**: Watch lizard count and frame rate
- **Take Breaks**: Allow device to cool during extended sessions
- **Adjust Usage**: Reduce lizard count if performance drops
- **Network Stability**: Use stable internet for Game Center features
## Troubleshooting Performance
### If Your Device Doesn't Meet Requirements
- **Basic Functionality**: Core features may still work
- **Reduced Performance**: Expect lower frame rates and limits
- **iOS Compatibility**: Update iOS if possible
- **Hardware Limitations**: Consider device upgrade for best experience
### Performance Issues on Supported Devices
- **Check Requirements**: Verify device meets specifications
- **Software Updates**: Update iOS and Lizard app
- **Storage Cleanup**: Free up device storage space
- **Support Contact**: Contact support for device-specific issues
---
**Related Articles:**
- [Performance Problems](../troubleshooting/performance-problems)
- [Common Issues and Quick Fixes](../troubleshooting/common-issues-and-quick-fixes)
- [Managing Lizards and Performance](../using-lizard/managing-lizards-and-performance)
- [Getting Started with Lizard](../getting-started/getting-started-with-lizard)
Ensure your device meets the minimum requirements and is optimally configured for Lizard.
## Minimum Requirements
### iOS Version
- **Required**: iOS 18.6 or later
- **Recommended**: Latest iOS version available for your device
- **Compatibility**: iPhone and iPad supported
- **Architecture**: ARM64 (all devices since iPhone 5s and iPad Air)
### Device Compatibility
#### Supported iPhones
- **iPhone 15 series**: Full feature support, optimal performance
- **iPhone 14 series**: Full feature support, excellent performance
- **iPhone 13 series**: Full feature support, excellent performance
- **iPhone 12 series**: Full feature support, excellent performance
- **iPhone 11 series**: Full feature support, good performance
- **iPhone XS/XR series**: Full feature support, good performance
- **iPhone X**: Full feature support, moderate performance optimization
- **iPhone 8/8 Plus**: Full feature support, performance-optimized settings
- **iPhone 7/7 Plus**: Limited support, may require iOS compatibility
#### Supported iPads
- **iPad Pro (all generations)**: Full feature support, excellent performance
- **iPad Air (3rd generation and later)**: Full feature support, excellent performance
- **iPad (9th generation and later)**: Full feature support, good performance
- **iPad mini (5th generation and later)**: Full feature support, good performance
- **Older iPad models**: Check iOS compatibility for availability
### Hardware Requirements
#### Storage Space
- **Minimum**: 50MB for app installation
- **Recommended**: 100MB+ free space for optimal performance
- **Best Practice**: Maintain 1GB+ free space for iOS system operations
- **Cleanup**: Regular storage management improves performance
#### Memory (RAM)
- **Minimum**: 1GB RAM (automatically managed by iOS)
- **Recommended**: 2GB+ RAM for best performance
- **Optimization**: Close background apps during intensive gameplay
- **Multiple Lizards**: More RAM allows for higher lizard counts
#### Processor
- **Minimum**: A9 chip (iPhone 6s/iPad 5th gen equivalent)
- **Recommended**: A12 chip or newer for 60+ FPS performance
- **Optimal**: A15 chip or newer for maximum performance and features
- **Performance Scaling**: App automatically adjusts for your device
## Performance Expectations
### High-End Devices (A15 chip and newer)
- **Frame Rate**: Sustained 60+ FPS gameplay
- **Lizard Count**: 250-300 concurrent lizards smoothly
- **Features**: All visual effects and features enabled
- **Session Length**: Extended play sessions supported
- **Motion Controls**: Highly responsive tilt controls
### Mid-Range Devices (A12-A14 chips)
- **Frame Rate**: Consistent 60 FPS with occasional optimization
- **Lizard Count**: 200-250 concurrent lizards recommended
- **Features**: Full feature set with performance adaptations
- **Session Length**: Good support for extended sessions
- **Motion Controls**: Responsive tilt controls
### Entry-Level Devices (A9-A11 chips)
- **Frame Rate**: 30-60 FPS with performance optimizations
- **Lizard Count**: 100-150 concurrent lizards recommended
- **Features**: Core features with efficiency optimizations
- **Session Length**: Shorter sessions for best experience
- **Motion Controls**: Basic tilt control support
## Network Requirements
### Internet Connectivity
- **Core Gameplay**: No internet required for basic features
- **Game Center**: Internet required for achievements and leaderboards
- **Support**: Internet needed for in-app messaging and help
- **Updates**: App Store updates require internet connection
### Network Types
- **WiFi**: Recommended for Game Center sync and support features
- **Cellular**: Full functionality on 4G/5G networks
- **Airplane Mode**: Core gameplay works offline
- **Roaming**: Game Center may be limited while roaming
## iOS Feature Dependencies
### Required Permissions
#### Motion & Orientation
- **Purpose**: Device tilt controls for gravity direction
- **Required**: No, but highly recommended for full experience
- **Fallback**: Gravity defaults to device orientation without permission
- **Privacy**: Motion data processed locally, never transmitted
#### Game Center
- **Purpose**: Achievements, leaderboards, and progress tracking
- **Required**: No, all core features work without Game Center
- **Benefits**: Progress preservation and social features
- **Setup**: Requires Apple ID and internet connection
### iOS Services
#### Core Motion Framework
- **Dependency**: Required for tilt controls
- **Availability**: Built into iOS, no additional setup needed
- **Compatibility**: All supported devices include necessary sensors
- **Performance**: Optimized for real-time motion processing
#### SpriteKit Framework
- **Dependency**: Required for physics simulation
- **Availability**: Built into iOS since iOS 7
- **Performance**: Hardware-accelerated graphics rendering
- **Optimization**: Automatic performance scaling for device capabilities
## Compatibility Considerations
### iOS Version Updates
#### Staying Current
- **Security**: Latest iOS versions include important security updates
- **Performance**: Newer iOS versions often improve app performance
- **Features**: Some features may require newer iOS versions
- **Compatibility**: Lizard is tested on latest iOS versions
#### Older iOS Versions
- **Support**: Minimum iOS 18.6 required
- **Limitations**: Some features may be unavailable on older versions
- **Performance**: Older iOS versions may have reduced performance
- **Updates**: Update iOS when possible for best experience
### Device Age Considerations
#### Hardware Degradation
- **Battery**: Older batteries may affect performance (iOS battery management)
- **Storage**: Flash storage may slow down over time
- **Sensors**: Motion sensors maintain accuracy but may need calibration
- **Heat**: Older devices may run warmer during intensive use
#### Optimization Strategies
- **Performance Mode**: App automatically adapts to device capabilities
- **Maintenance**: Regular device restarts help maintain performance
- **Storage Management**: Keep adequate free space for optimal operation
- **Background Apps**: Close unnecessary apps during gaming
## Checking Your Device
### Finding Your Device Information
#### Device Model
1. **Settings > General > About**
2. **Look for "Model Name"** (iPhone 12 Pro, iPad Air, etc.)
3. **Chip Information**: Listed as "Chip" in About section
4. **iOS Version**: Shows current iOS version installed
#### Storage Information
1. **Settings > General > iPhone/iPad Storage**
2. **Available Space**: Check free storage remaining
3. **App Usage**: See how much space Lizard uses
4. **Recommendations**: iOS suggests storage optimizations
#### Performance Monitoring
1. **In-Game Statistics**: Monitor lizard count and performance
2. **Frame Rate**: Watch for smooth animation
3. **Heat Management**: Device temperature during extended play
4. **Battery Usage**: Monitor in Settings > Battery
### Optimization Recommendations
#### Before Playing
- **Close Background Apps**: Double-tap home or swipe up to close apps
- **Check Storage**: Ensure adequate free space
- **Restart Device**: Periodic restarts help maintain performance
- **Update Apps**: Keep iOS and Lizard updated
#### During Play
- **Monitor Performance**: Watch lizard count and frame rate
- **Take Breaks**: Allow device to cool during extended sessions
- **Adjust Usage**: Reduce lizard count if performance drops
- **Network Stability**: Use stable internet for Game Center features
## Troubleshooting Performance
### If Your Device Doesn't Meet Requirements
- **Basic Functionality**: Core features may still work
- **Reduced Performance**: Expect lower frame rates and limits
- **iOS Compatibility**: Update iOS if possible
- **Hardware Limitations**: Consider device upgrade for best experience
### Performance Issues on Supported Devices
- **Check Requirements**: Verify device meets specifications
- **Software Updates**: Update iOS and Lizard app
- **Storage Cleanup**: Free up device storage space
- **Support Contact**: Contact support for device-specific issues
---
**Related Articles:**
- [Performance Problems](../troubleshooting/performance-problems)
- [Common Issues and Quick Fixes](../troubleshooting/common-issues-and-quick-fixes)
- [Managing Lizards and Performance](../using-lizard/managing-lizards-and-performance)
- [Getting Started with Lizard](../getting-started/getting-started-with-lizard)
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