Compare

Tangem Ring or Trezor Safe 3?

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

Tangem Ring

One edition

Change wallet: Tangem Ring

Trezor Safe 3

Change wallet: Trezor Safe 3
Add a wallet

In short

Transaction approval (iPhone) is confirmed only for Tangem Ring.

Approve transactions

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

Where they differ

Controls / Display
Tangem Ring:No controls on the walletDisplay: No device display
Trezor Safe 3:Physical buttonsDisplay: Display without touch input
Wallet recovery
Tangem Ring:Backup cards
Trezor Safe 3:Recovery phrase
Operating power
Tangem Ring:Powered by NFC
Trezor Safe 3:USB power

What they have in common

Cryptocurrencies
Multiple cryptocurrencies
Both
Battery
No battery
Both

Before you choose

Consider
Tangem RingTake the ring off to scan. You review payments on the phone; Ring has no independent screen. Choose seedless or phrase backup during setup.
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
Tangem Ring

iPhone · Android

Tangem appNFCBitcoin / Ethereum
Connection requirements

You need a compatible NFC phone and supported versions of its operating system and wallet app. You check the transaction details on the phone.

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
Tangem RingTrezor Safe 3

Size and weight

Device weight
Tangem Ring:Not confirmed
Trezor Safe 3:14 g
Dimensions
Tangem Ring:Not recorded
Trezor Safe 3:59 × 32 × 7.4 mmDimensions as listed by the manufacturer

Materials and finish

Materials
Tangem Ring:Casing: Zirconia ceramic
Trezor Safe 3:Casing: PMMA plastic · Backplate: Aluminium (Anodized finish)

Security and software

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

Protection

Dust and water protection
Tangem Ring:IP69K
Trezor Safe 3:Not recorded

Display

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

Device connections

USB port
Tangem Ring:Not recorded
Trezor Safe 3:USB-C

Processor

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

Operating conditions

Operating temperature
Tangem Ring:Not recorded
Trezor Safe 3:-20 °C … 60 °C

Official stores

Next steps
Tangem RingOne edition

Documentation checked Oct 6, 2026

Trezor Safe 3Multi-coin edition

Documentation checked Sep 29, 2026

Replace Tangem Ring

Our picks

Current wallets

Discontinued