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BitBox02 Nova or Ledger Flex?

The exact editions, side by side: how you’ll use them and the limits to know.

Ledger Flex

One edition

Wallet 2

Add a wallet

Wallet 3

Filters

Your device: iPhone

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In short

Recorded differences: Controls / Display and Wallet recovery.

BitBox02 NovaMultiple cryptocurrencies

Price at BitBox

Choose this edition at the store.

Ledger FlexOne edition

Price at Ledger

iPhone

Your device

Approve transactions: BitBox02 Nova:
BluetoothBitBoxApp · Bitcoin / EthereumMust stay plugged in; Ledger Flex:
BluetoothLedger Wallet · Bitcoin / Ethereum
Set up the wallet: BitBox02 Nova:
BluetoothBitBoxApp · Bitcoin / EthereumMust stay plugged in; Ledger Flex:
BluetoothLedger Wallet · Bitcoin / Ethereum

Approve transactions

Computer: BitBox02 Nova:
USBBitBoxApp · Bitcoin / Ethereum; Ledger Flex:
USBLedger Wallet · Bitcoin / Ethereum
Android: BitBox02 Nova:
USBBitBoxApp · Bitcoin / EthereumPhone needs USB OTG; Ledger Flex:
USB · BluetoothLedger Wallet · Bitcoin / Ethereum

Where they differ

Controls / Display: BitBox02 Nova:Touch sensorsDisplay: Display without touch input; Ledger Flex:Touchscreen
Wallet recovery: BitBox02 Nova:microSD backup and recovery phrase; Ledger Flex:Recovery phrase

What they have in common

Cryptocurrencies: Multiple cryptocurrencies
Both

Not fully confirmed

Operating power: BitBox02 Nova:USB power; Ledger Flex:Not recorded
Battery: BitBox02 Nova:Not recorded; Ledger Flex:Rechargeable

Before you choose

Consider

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.

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.

Apps and requirements

Show detailsHide details

Connectivity

BitBox02 Nova

iPhone

BitBoxAppBluetoothBitcoin / EthereumMust stay plugged in

Connection requirements

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.

Computer

BitBoxAppUSBBitcoin / EthereumWindows · macOS · Linux

Connection requirements

Ethereum requires the Multi edition. A Bitcoin-only hardware edition cannot be converted to Multi.

Android

BitBoxAppUSBBitcoin / EthereumPhone needs USB OTG

Connection 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.

Ledger Flex

iPhone

Ledger WalletBluetoothBitcoin / Ethereum

Computer

Ledger WalletUSBBitcoin / EthereumWindows · macOS · Linux

Android

Ledger WalletUSB · BluetoothBitcoin / Ethereum

Hardware detailsDifferent: 6 · Same: 1 · Not fully recorded: 14Show details (21)Hide details

BitBox02 NovaLedger Flex

Display

Display type: BitBox02 Nova:OLED; Ledger Flex:E Ink
Resolution: BitBox02 Nova:128 × 64 px; Ledger Flex:480 × 600 px
Colour mode: BitBox02 Nova:Monochrome; Ledger Flex:Grayscale
Screen diagonal: BitBox02 Nova:Not recorded; Ledger Flex:2.8″
Shades of grey: BitBox02 Nova:Not recorded; Ledger Flex:16

Size and weight

Dimensions: BitBox02 Nova:54.5 × 25.4 × 9.6 mmDimensions as listed by the manufacturer · Includes the connector; Ledger Flex:78.4 × 56.5 × 7.7 mmDimensions as listed by the manufacturer
Device weight: BitBox02 Nova:13 g; Ledger Flex:57.5 g

Power and charging

Battery life: BitBox02 Nova:Not recorded; Ledger Flex:Up to 10 hrUsage conditions not stated
Charging methods: BitBox02 Nova:Not recorded; Ledger Flex:USB-C
Wireless charging: BitBox02 Nova:Not recorded; Ledger Flex:Not supported

Device connections

USB port: USB-CBoth
Memory card slot: BitBox02 Nova:microSD; Ledger Flex:Not recorded
Bluetooth version: BitBox02 Nova:Not recorded; Ledger Flex:5.2
NFC functions: BitBox02 Nova:Not recorded; Ledger Flex:Ledger Recovery Key · Ledger Security Key

Security and software

Security chip: BitBox02 Nova:OPTIGA Trust M V3; Ledger Flex:ST33K1M5 · CC EAL6+
Device software: BitBox02 Nova:Not recorded; Ledger Flex:Ledger OS

Processor

Core and clock speed: BitBox02 Nova:Cortex-M4F · 120 MHz; Ledger Flex:Not recorded
Controllers: BitBox02 Nova:ATSAMD51J20A · DA14531; Ledger Flex:Not recorded

Key dates

Announced: BitBox02 Nova:June 20, 2025; Ledger Flex:Not recorded
Released: BitBox02 Nova:Not recorded; Ledger Flex:July 26, 2024

Memory

Storage space: BitBox02 Nova:Not recorded; Ledger Flex:1.5 MB

BitBox02 Nova · Hardware details Ledger Flex · Hardware details

Official stores

Next steps

BitBox02 NovaMultiple cryptocurrencies

Price at BitBox

Choose this edition at the store.

Details

Sources

Documentation checked Sep 29, 2026

Ledger FlexOne edition

Price at Ledger Details

Sources

Documentation checked Oct 6, 2026

Keep comparing

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Add a third wallet

Wallet pairs

Looking for something else? Browse the full catalog. All crypto wallets

BitBox02 Nova or Ledger Flex?

BitBox02 Nova

Ledger Flex

iPhone

Approve transactions

Where they differ

What they have in common

Not fully confirmed

Before you choose

Apps and requirements

iPhone

Computer

Android

iPhone

Computer

Android

Display

Size and weight

Power and charging

Device connections

Security and software

Processor

Key dates

Memory

Official stores

Replace BitBox02 Nova

Our picks for iPhone

Current wallets

Discontinued

Add a third wallet or read a comparison

Add a third wallet

Wallet pairs