Compare

imKey Pro or Trezor Safe 3?

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

imKey Pro

One edition

Change wallet: imKey Pro

Trezor Safe 3

Change wallet: Trezor Safe 3
Add a wallet

In short

Transaction approval (iPhone) is confirmed only for imKey Pro.

Trezor Safe 3Multiple cryptocurrencies
Price at Trezor

Approve transactions

Computer
imKey Pro:
USBRabby · Ethereum

Computer · Rabby · USB · EthereumSupport for wallet setup is unconfirmed

Trezor Safe 3:
USBTrezor Suite · Bitcoin / Ethereum
iPhone
imKey Pro:
BluetoothimToken · Bitcoin / Ethereum
Trezor Safe 3:
Not supported
Android
imKey Pro:
BluetoothimToken · Bitcoin / Ethereum
Trezor Safe 3:
USBTrezor Suite · Bitcoin / EthereumAndroid 12+

Where they differ

Battery
imKey Pro:Rechargeable
Trezor Safe 3:No battery

What they have in common

Cryptocurrencies
Multiple cryptocurrencies
Both
Wallet recovery
Recovery phrase
Both

Not fully confirmed

Controls / Display
imKey Pro:Physical buttonsDisplay · Touchscreen: Not confirmed
Trezor Safe 3:Physical buttonsDisplay: Display without touch input
Operating power
imKey Pro:Not confirmed
Trezor Safe 3:USB power

Before you choose

Consider
imKey ProSetup starts in imToken, and COS firmware updates require USB to a computer. Save the binding code for pairing with a new phone; it is separate from the recovery phrase.
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
imKey Pro

Computer

RabbyUSBEthereumSupport for wallet setup is unconfirmed
Connection requirements

Set up imKey and create its addresses with imToken on your phone first. Use the Rabby Chrome extension 0.92.36 or later and a USB data cable. Enter the PIN on imKey and check the recipient, amount and fee on the device before pressing OK.

iPhone · Android

imTokenBluetoothBitcoin / Ethereum
Connection requirements

Activate and bind imKey in imToken, and save the binding code for a new phone. Allow Bluetooth access; Android may also need location access. Taproot and Native SegWit need imToken 2.16.0 or later and COS 1.9.05 or later. For Bitcoin, imKey displays one default receiving address per account. It does not display every receiving address listed in imToken.

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: 6 · Same: 1 · Not fully recorded: 11Show details (18)Hide details
imKey ProTrezor Safe 3

Size and weight

Dimensions
imKey Pro:Sources disagreeThe specification table on imKey’s product page lists 64 × 38 × 4.3 mm; the same page also describes the wallet as 2.3 mm thick.
Trezor Safe 3:59 × 32 × 7.4 mmDimensions as listed by the manufacturer
Width × height
imKey Pro:64 × 38 mm
Trezor Safe 3:Not recorded
Device weight
imKey Pro:Sources disagreeThe specification table on imKey’s product page lists 16.2 g; the same page also lists 17 g.
Trezor Safe 3:14 g

Power and charging

Battery chemistry
imKey Pro:Lithium-ion polymer
Trezor Safe 3:No battery
Battery life
imKey Pro:4 weeksUsage conditions not stated
Trezor Safe 3:No battery
Battery capacity
imKey Pro:33 mAh
Trezor Safe 3:No battery
Charging methods
imKey Pro:USB-C
Trezor Safe 3:No battery

Materials and finish

Materials
imKey Pro:Panel: Polycarbonate (PC) · Casing: Zinc alloy
Trezor Safe 3:Casing: PMMA plastic · Backplate: Aluminium (Anodized finish)

Device connections

USB port
USB-CBoth

Security and software

Security chip
imKey Pro:Infineon SLE78CLUFX5000PH · CC EAL6+
Trezor Safe 3:CC EAL6+
Device software
imKey Pro:COS
Trezor Safe 3:Not recorded
Conformity marks
imKey Pro:Not recorded
Trezor Safe 3:CE · RoHS

Display

Display type
imKey Pro:Not recorded
Trezor Safe 3:OLED
Screen diagonal
imKey Pro:Not recorded
Trezor Safe 3:0.96″
Resolution
imKey Pro:Not recorded
Trezor Safe 3:128 × 64 px
Colour mode
imKey Pro:Not recorded
Trezor Safe 3:Monochrome

Processor

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

Operating conditions

Operating temperature
imKey Pro:Not recorded
Trezor Safe 3:-20 °C … 60 °C

Official stores

Next steps
imKey ProOne edition

Documentation checked Oct 18, 2026

Trezor Safe 3Multiple cryptocurrencies

Documentation checked Sep 29, 2026

Replace imKey Pro

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Current wallets

Discontinued