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CoolWallet Go or Ledger Flex?

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

CoolWallet Go

One edition

Change wallet: CoolWallet Go

Ledger Flex

One edition

Change wallet: Ledger Flex
Add a wallet

Filters

  • Multiple cryptocurrencies

In short

For your selected criteria, 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:
Transaction approval not confirmed for your selected criteria
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

Key dates

Released
CoolWallet Go:Not recorded
Ledger Flex:July 26, 2024
CoolWallet Go · Hardware details Ledger Flex · Hardware details

Official stores

Next steps
CoolWallet GoOne edition
Price at CoolWalletDetails
Sources

Documentation checked Oct 10, 2026

Ledger FlexOne edition
Price at LedgerDetails
Sources

Documentation checked Oct 6, 2026

Replace CoolWallet Go

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