Compare

CoolWallet Go 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

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In short

Transaction approval (Computer) is confirmed only for Ledger Flex.

CoolWallet GoOne edition

Price at CoolWallet

Ledger FlexOne edition

Price at Ledger

Approve transactions

Computer: CoolWallet Go:
Support for signing is unconfirmed; Ledger Flex:
USBLedger Wallet · Bitcoin / Ethereum
iPhone: CoolWallet Go:
NFCCoolWallet app · Bitcoin / Ethereum; Ledger Flex:
BluetoothLedger Wallet · Bitcoin / Ethereum
Android: CoolWallet Go:
NFCCoolWallet app · Bitcoin / Ethereum; Ledger Flex:
USB · BluetoothLedger Wallet · Bitcoin / Ethereum

Where they differ

Controls / Display: CoolWallet Go:No controls on the walletDisplay: No device display; Ledger Flex:Touchscreen
Wallet recovery: CoolWallet Go:Backup cards; Ledger Flex:Recovery phrase
Battery: CoolWallet Go:No battery; Ledger Flex:Rechargeable

What they have in common

Cryptocurrencies: Multiple cryptocurrencies
Both

Before you choose

Consider

CoolWallet GoKeep the electronic spare card and pairing password safe. During setup, choose card-only backup or app-generated recovery words with a written record; they give you different recovery options.

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

CoolWallet Go

iPhone · Android

CoolWallet appNFCBitcoin / Ethereum

Ledger Flex

Computer

Ledger WalletUSBBitcoin / EthereumWindows · macOS · Linux

iPhone

Ledger WalletBluetoothBitcoin / Ethereum

Android

Ledger WalletUSB · BluetoothBitcoin / Ethereum

Hardware detailsDifferent: 10 · Same: 0 · Not fully recorded: 8Show details (18)Hide details

CoolWallet GoLedger Flex

Size and weight

Dimensions: CoolWallet Go:85.6 × 53.98 × 0.8 mmDimensions as listed by the manufacturer; Ledger Flex:78.4 × 56.5 × 7.7 mmDimensions as listed by the manufacturer
Width × height: CoolWallet Go:85.6 × 53.98 mm; Ledger Flex:Not recorded
Device weight: CoolWallet Go:Not recorded; Ledger Flex:57.5 g

Power and charging

Battery life: CoolWallet Go:No battery; Ledger Flex:Up to 10 hrUsage conditions not stated
Charging methods: CoolWallet Go:No battery; Ledger Flex:USB-C
Wireless charging: CoolWallet Go:No battery; Ledger Flex:Not supported

Security and software

Security chip: CoolWallet Go:CC EAL6+; Ledger Flex:ST33K1M5 · CC EAL6+
Device software: CoolWallet Go:Not recorded; Ledger Flex:Ledger OS

Display

Display type: CoolWallet Go:No built-in display; Ledger Flex:E Ink
Screen diagonal: CoolWallet Go:No built-in display; Ledger Flex:2.8″
Resolution: CoolWallet Go:No built-in display; Ledger Flex:480 × 600 px
Colour mode: CoolWallet Go:No built-in display; Ledger Flex:Grayscale
Shades of grey: CoolWallet Go:No built-in display; Ledger Flex:16

Memory

Storage space: CoolWallet Go:Not recorded; Ledger Flex:1.5 MB

Device connections

USB port: CoolWallet Go:Not recorded; Ledger Flex:USB-C
Bluetooth version: CoolWallet Go:Not recorded; Ledger Flex:5.2
NFC functions: CoolWallet Go:Not recorded; Ledger Flex:Ledger Recovery Key · Ledger Security Key