Device compatibility requirements

Ensure your device meets the minimum requirements for optimal Fitdays app performance and smart scale connectivity.

Mobile Device Requirements

iOS Devices

Minimum Requirements:

• iOS 12.0 or later
• iPhone 6s or newer
• iPad (5th generation) or newer
• iPod touch (7th generation)

Recommended:

• iOS 15.0 or later
• iPhone 8 or newer
• At least 2GB RAM
• 100MB free storage

Bluetooth:

• Bluetooth 4.0 or higher required
• Bluetooth 5.0 recommended for better connection

Android Devices

Minimum Requirements:

• Android 6.0 (Marshmallow) or higher
• Bluetooth 4.0 or higher
• 2GB RAM
• 100MB free storage

Recommended:

• Android 10.0 or later
• Bluetooth 5.0
• 4GB RAM
• Google Play Services installed

Known Compatible Brands:

• Samsung (Galaxy S6 and newer)
• Google Pixel (all models)
• OnePlus (5 and newer)
• Xiaomi (Mi 6 and newer)
• Huawei (P10 and newer)
• Motorola (G5 and newer)

Smart Scale Compatibility

Fitdays Scale Models

All Fitdays scales are compatible with:

• Fitdays app (latest version)
• iOS 12.0+ devices
• Android 6.0+ devices

Scale Models:

• Fitdays FD-01
• Fitdays FD-02 Pro
• Fitdays FD-03 Max
• Fitdays FD-Mini
• Fitdays FD-Smart

Connection Technology

Bluetooth Requirements:

• Bluetooth Low Energy (BLE)
• Bluetooth 4.0 minimum
• Supports GATT protocol
• Range: Up to 10 meters (33 feet)

Wi-Fi Models (select scales):

• 2.4 GHz Wi-Fi network
• WPA/WPA2 security supported
• No 5 GHz support
• No enterprise Wi-Fi

App Permissions Required

iOS Permissions

The app requests:

• Bluetooth: For scale connection
• Location (iOS 13+): Required by iOS for Bluetooth scanning
• Health (optional): To sync with Apple Health
• Photos (optional): For progress photos
• Notifications: For measurement reminders

Android Permissions

Required permissions:

• Bluetooth: Scale connectivity
• Location: Required for Bluetooth device scanning
• Storage: For data backup and photos
• Notifications: Reminders and alerts

Third-Party App Integration

Apple Health

• iOS 8.0 or later
• Health app installed (default on iOS)
• HealthKit support enabled

Google Fit

• Android 5.0 or later
• Google Fit app installed
• Google Play Services
• Signed in with Google account

Fitbit

• Fitbit app installed
• Active Fitbit account
• Internet connection required
• Compatible with all Fitbit trackers

Network Requirements

For App Updates

• Internet connection (Wi-Fi or mobile data)
• Sufficient data allowance
• App download: ~50MB

For Cloud Sync

• Stable internet connection
• Minimal data usage: ~1MB per month
• Works on Wi-Fi or mobile data

For Wi-Fi Scales

• 2.4 GHz Wi-Fi network
• Router within 10 meters of scale
• Network password (WPA/WPA2)
• Not compatible with:
  • 5 GHz only networks
  • Enterprise networks
  • Captive portal Wi-Fi (hotel, public)

Performance Optimization

For Best Performance

iOS:

1. Keep iOS updated
2. Close background apps
3. Enable Bluetooth
4. Allow all permissions
5. Stable internet for sync

Android:

1. Disable battery optimization for Fitdays
2. Allow background data
3. Keep location services on
4. Update Google Play Services
5. Clear cache periodically

Battery Optimization

Some Android manufacturers aggressively kill background apps:

Xiaomi (MIUI):

1. Settings → Apps → Fitdays
2. Battery saver → No restrictions
3. Autostart → Enable

Huawei (EMUI):

1. Settings → Apps → Fitdays
2. Battery → App launch
3. Manual → Enable all

Samsung (One UI):

1. Settings → Apps → Fitdays
2. Battery → Optimize battery usage → Disable

Incompatible Devices

Known Issues

Bluetooth Problems:

• Amazon Fire tablets (no Google Play Services)
• Some Chinese Android phones (MIUI, ColorOS)
• Very old devices (pre-2015)

iOS:

• iPhone 6 and older (limited support)
• iOS 11 and below (no longer supported)

Won't Work:

• Windows phones
• Feature phones
• Devices without Bluetooth
• Tablets without Bluetooth

Checking Your Device

iOS Version

1. Settings → General → About
2. Look for "Software Version"

Android Version

1. Settings → About Phone
2. Look for "Android Version"

Bluetooth Version

Usually not shown in settings, but:

• Bluetooth 4.0+ if device is from 2014 or later
• Check manufacturer specifications

Upgrading Devices

When to Upgrade

Consider upgrading if:

• Your device is more than 5 years old
• App crashes frequently
• Bluetooth connection is unreliable
• You can't update to latest OS version
• App features are unavailable

Minimum Recommended

For smooth experience:

• iOS: iPhone 8 or newer (iOS 15+)
• Android: Phone from 2018 or later (Android 10+)
• RAM: At least 3GB
• Storage: 128GB total, 5GB free

Multi-Device Setup

You can use Fitdays on multiple devices:

• Same account: Sync across devices
• Cloud backup: Data available everywhere
• Auto-sync: Changes reflect on all devices
• No limit: Use on phone, tablet, etc.