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Coinkite TAPSIGNER or Trezor Safe 3?

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

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In short

Transaction approval (iPhone) is confirmed only for Coinkite TAPSIGNER.

Coinkite TAPSIGNEROne edition

Price at Coinkite

Trezor Safe 3Bitcoin-only edition

Price at Trezor

Approve transactions

Computer: Coinkite TAPSIGNER:
NFCSparrow · BitcoinExternal NFC reader required; Trezor Safe 3:
USBTrezor Suite · Bitcoin
iPhone: Coinkite TAPSIGNER:
NFCNunchuk · Bitcoin; Trezor Safe 3:
Not supported
Android: Coinkite TAPSIGNER:
NFCNunchuk · Bitcoin; Trezor Safe 3:
USBTrezor Suite · BitcoinAndroid 12+

Where they differ

Controls / Display: Coinkite TAPSIGNER:No controls on the walletDisplay: No device display; Trezor Safe 3:Physical buttonsDisplay: Display without touch input
Wallet recovery: Coinkite TAPSIGNER:Encrypted backup file, decryption key and wallet configuration. Keep the file and key separately.; Trezor Safe 3:Recovery phrase

What they have in common

Cryptocurrencies: Bitcoin-only
Both
Battery: No battery
Both

Not fully confirmed

Operating power: Coinkite TAPSIGNER:Not recorded; Trezor Safe 3:USB power

Before you choose

Consider

Coinkite TAPSIGNERThere is no card screen for independent review. Recovery needs the encrypted file, a separate copy of its printed decryption key and the wallet configuration; it takes place outside the card.

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

Apps and requirements

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Connectivity

Coinkite TAPSIGNER

Computer

SparrowNFCBitcoinLinuxExternal NFC reader required

Connection requirements

Needs a compatible external NFC reader and smart-card support configured on the computer. Keep the encrypted backup file, its decryption key and the wallet configuration. Store the file and key separately.

iPhone · Android

NunchukNFCBitcoin

Connection requirements

Needs an NFC phone and a compatible Nunchuk version. Keep the encrypted backup file, its decryption key and the wallet configuration. Store the file and key separately.

Trezor Safe 3

Computer

Trezor SuiteUSBBitcoinWindows · macOS · Linux

Android

Trezor SuiteUSBBitcoinAndroid 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: 4 · Same: 0 · Not fully recorded: 9Show details (13)Hide details

Coinkite TAPSIGNERTrezor Safe 3

Size and weight

Width × height: Coinkite TAPSIGNER:85.6 × 53.98 mmThickness not recorded; Trezor Safe 3:Not recorded
Dimensions: Coinkite TAPSIGNER:Not recorded; Trezor Safe 3:59 × 32 × 7.4 mmDimensions as listed by the manufacturer
Device weight: Coinkite TAPSIGNER:Not recorded; Trezor Safe 3:14 g

Display

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