Compare

CoolWallet Go or Trezor Safe 3?

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

CoolWallet Go

One edition

Change wallet: CoolWallet Go

Trezor Safe 3

Change wallet: Trezor Safe 3
Add a wallet

In short

Transaction approval (iPhone) is confirmed only for CoolWallet Go.

Approve transactions

Computer
CoolWallet Go:
Support for signing is unconfirmed
Trezor Safe 3:
USBTrezor Suite · Bitcoin / Ethereum
iPhone
CoolWallet Go:
NFCCoolWallet app · Bitcoin / Ethereum
Trezor Safe 3:
Not supported
Android
CoolWallet Go:
NFCCoolWallet app · Bitcoin / Ethereum
Trezor Safe 3:
USBTrezor Suite · Bitcoin / EthereumAndroid 12+

Where they differ

Controls / Display
CoolWallet Go:No controls on the walletDisplay: No device display
Trezor Safe 3:Physical buttonsDisplay: Display without touch input
Wallet recovery
CoolWallet Go:Backup cards
Trezor Safe 3:Recovery phrase

What they have in common

Cryptocurrencies
Multiple cryptocurrencies
Both
Battery
No battery
Both

Not fully confirmed

Operating power
CoolWallet Go:Not recorded
Trezor Safe 3:USB power

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.
Trezor Safe 3USB signing on computer or Android; the iPhone app does not let this model approve transactions.

Apps and requirements

Show detailsHide details
Connectivity
CoolWallet Go

iPhone · Android

CoolWallet appNFCBitcoin / Ethereum
Trezor Safe 3

Computer

Trezor SuiteUSBBitcoin / EthereumWindows · macOS · Linux

Android

Trezor SuiteUSBBitcoin / EthereumAndroid 12+
Connection requirements

Setup and signing use the Trezor Suite app on Android 12 or later over USB. Your phone needs USB-C support and a suitable data cable. Check that Suite supports the asset and network you want to use; the Bitcoin-only edition is limited to Bitcoin.

Hardware detailsDifferent: 5 · Same: 1 · Not fully recorded: 7Show details (13)Hide details
CoolWallet GoTrezor Safe 3

Size and weight

Dimensions
CoolWallet Go:85.6 × 53.98 × 0.8 mmDimensions as listed by the manufacturer
Trezor Safe 3:59 × 32 × 7.4 mmDimensions as listed by the manufacturer
Width × height
CoolWallet Go:85.6 × 53.98 mm
Trezor Safe 3:Not recorded
Device weight
CoolWallet Go:Not recorded
Trezor Safe 3:14 g

Security and software

Security chip
CC EAL6+Both
Conformity marks
CoolWallet Go:Not recorded
Trezor Safe 3:CE · RoHS

Display

Display type
CoolWallet Go:No built-in display
Trezor Safe 3:OLED
Screen diagonal
CoolWallet Go:No built-in display
Trezor Safe 3:0.96″
Resolution
CoolWallet Go:No built-in display
Trezor Safe 3:128 × 64 px
Colour mode
CoolWallet Go:No built-in display
Trezor Safe 3:Monochrome

Materials and finish

Materials
CoolWallet Go:Not recorded
Trezor Safe 3:Casing: PMMA plastic · Backplate: Aluminium (Anodized finish)

Device connections

USB port
CoolWallet Go:Not recorded
Trezor Safe 3:USB-C

Processor

Core and clock speed
CoolWallet Go:Not recorded
Trezor Safe 3:ARM Cortex-M4 · 180 MHz

Operating conditions

Operating temperature
CoolWallet Go:Not recorded
Trezor Safe 3:-20 °C … 60 °C

Official stores

Next steps
CoolWallet GoOne edition

Documentation checked Oct 10, 2026

Trezor Safe 3Multi-coin edition

Documentation checked Sep 29, 2026

Replace CoolWallet Go

Our picks

Current wallets

Discontinued