BluetoothBitBoxApp · Bitcoin / EthereumMust stay plugged in
Set up the wallet
Ledger Flex:
✓
BluetoothLedger Wallet · Bitcoin / Ethereum
BitBox02 Nova:
✓
BluetoothBitBoxApp · Bitcoin / EthereumMust stay plugged in
Approve transactions
Computer
Ledger Flex:
✓
USBLedger Wallet · Bitcoin / Ethereum
BitBox02 Nova:
✓
USBBitBoxApp · Bitcoin / Ethereum
Android
Ledger Flex:
✓
USB · BluetoothLedger Wallet · Bitcoin / Ethereum
BitBox02 Nova:
✓
USBBitBoxApp · Bitcoin / EthereumPhone needs USB OTG
Where they differ
Controls / Display
Ledger Flex:Touchscreen
BitBox02 Nova:Touch sensorsDisplay: Display without touch input
Wallet recovery
Ledger Flex:Recovery phrase
BitBox02 Nova:microSD backup and recovery phrase
What they have in common
Cryptocurrencies
Multiple cryptocurrencies
Both
Not fully confirmed
Operating power
Ledger Flex:Not recorded
BitBox02 Nova:USB power
Battery
Ledger Flex:Rechargeable
BitBox02 Nova:Not recorded
Before you choose
Consider
Ledger FlexiPhone connects by Bluetooth. Android connects by USB or Bluetooth. NFC does not replace USB or Bluetooth for ordinary transactions. Cryptocurrency support depends on the app.
BitBox02 NovaOn iPhone and iPad, Bluetooth carries the data but the wallet still needs a physical power connection. You control it by touching its edges, not the screen. BitBoxApp on iPhone and iPad guides firmware updates when a compatible version is offered.
Apps and requirements
Show detailsHide details
Connectivity
Ledger Flex
iPhone
Ledger WalletBluetoothBitcoin / Ethereum
Computer
Ledger WalletUSBBitcoin / EthereumWindows · macOS · Linux
With an iPhone, plug BitBox02 Nova into the phone or another suitable power source. It uses Bluetooth to exchange data. Ethereum needs the Multi edition; the Bitcoin-only edition cannot be changed to Multi.
Ethereum requires the Multi edition. A Bitcoin-only hardware edition cannot be converted to Multi.
Android
BitBoxAppUSBBitcoin / EthereumPhone needs USB OTGConnection requirements
Your Android phone needs USB OTG support to connect to Nova over USB. Ethereum requires the Multi edition; a Bitcoin-only device cannot be changed to Multi.