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  3. Go vs Ring

CoolWallet Go vs Tangem Ring

What Go does better (1) and where Ring wins (3) — every spec side by side.

CoolWallet Go
CoolWallet · 2025Go
5.5Score
1 advantage≈ €65
Higher score
vs
Tangem Ring
Tangem · 2024Ring
4.4Score
3 advantages≈ €130
5.9Security5.9
5.3Open source5.3
4.1Bitcoin features6.2
7.0Ease of use2.4
5.6Connectivity5.6

Why is Go better than Ring?

  1. Replace-by-feeYes · Ring: No

Why is Ring better than Go?

  1. BIP39 passphraseNo · Go: Yes
  2. Warranty (months)24 vs 30012.5×
  3. NFC backup cardNo · Go: Yes
Specifications

Side by side

CoolWallet GoCoolWallet Go≈ €655.5
Tangem RingTangem Ring≈ €1304.4
Security
Secure Element chipYesYes
Secure Element certificationEAL6+EAL6+
Air-gapped signingNoNo
100% air-gappedNoNo
Supply-chain & tamper protectionYesYes
Anti-klepto (anti-exfil) signingNoNo
Firmware & open source
Open-source firmwareNoNo
Source code availableNoNo
Reproducible buildsNoNo
Upgradable firmwareNoNo
Bitcoin-only firmware / editionNoNo
Device lock
PIN lockYesYes
PIN entered on the deviceNoNo
Duress PIN / decoy walletNoNo
Brick / wipe PINNoNo
Wipe after failed attemptsNoNo
Time-delayed unlockNoYes
Anti-phishing wordsNoNo
Keys & backup
BIP39 passphraseNoYes
Shamir backup (SLIP-39)NoNo
Seed XORNoNo
BIP85 child seedsNoNo
24-word seedYesYes
SeedQR backupNoNo
microSD backupNoNo
NFC backup cardNoYes
User-added entropy (dice)NoNo
Stateless use (no stored keys)NoNo
Multiple seeds on one deviceNoNo
Bitcoin features
MultisigNoNo
TaprootNoNo
MiniscriptNoNo
Message signingNoNo
Coin controlNoNo
Own node connectionNoNo
Tor supportNoNo
Replace-by-feeYesNo
Silent PaymentsNoNo
Spending limitsNoNo
TestnetNoNo
Supported assets
Altcoins & tokensYesYes
Bitcoin onlyNoNo
Connectivity
Signing connectivityNFCNFC
USBNoNo
BluetoothNoNo
NFCYesYes
QR code cameraNoNo
Animated QR (UR)NoNo
microSD signingNoNo
Screen & input
ScreenNoNo
TouchscreenNoNo
Colour screenNoNo
QWERTY keyboardNoNo
Battery & power
Built-in batteryNoNo
Design
Weight3 g—
Length85.6 mm8 mm
Width54 mm7.8 mm
Thickness1 mm—
MaterialsPlasticZirconia
Water / dust resistanceYesYes
IP rating—IP68
Several colours availableYesNo
Warranty (months)24300
Assembled inTaiwanHong Kong
DIY build possibleNoNo
Apps
Official appsAndroid, iOSAndroid, iOS
Desktop appNoNo
Mobile appYesYes
Compatible third-party wallets00
Other features
FIDO2 / U2F security keyNoNo
Password managerNoNo
To compare: 0up to 4 models
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