Updated April 2026 · Independent Analysis
KeystonevsTangem
Tangem starts at $54.99/mo, 44% cheaper than Keystone's $99/mo. Tangem is rated higher at NaN/5 vs Keystone's NaN/5.
Keystonevs Tangem
★ 4.5/5
Only in Keystone
- ✦ True air-gapped signing via QR code only (no USB/BT/WiFi/NFC)
- ✦ 4-inch color touchscreen for clear transaction review
- ✦ Fully open-source firmware with reproducible builds
From $99/mo(pricier)300K+ users · est. 2018
Try Keystone Free →
Tangemvs Keystone
★ 4.5/5
Only in Tangem
- ✦ NFC tap-to-sign transaction authorization
- ✦ No seed phrase - private key lives only on card chip
- ✦ 3-card backup system for redundant access
From $54.99/mo(cheaper)2M+ users · est. 2017
Try Tangem Free →Ratings Breakdown
Keystone
4.5/5 avg
G2 Score/5
G2 Rating4.5/5
Tangem
4.5/5 avg
G2 Score/5
G2 Rating4.5/5
Quick Stats
Feature Comparison
Keystone uniquely offers True air-gapped signing via QR code only (no USB/BT/WiFi/NFC), 4-inch color touchscreen for clear transaction review, Fully open-source firmware with reproducible builds. Tangem uniquely offers NFC tap-to-sign transaction authorization, No seed phrase - private key lives only on card chip, 3-card backup system for redundant access. Both share 0 features.
Feature
Keystone
Tangem
True air-gapped signing via QR code only (no USB/BT/WiFi/NFC)
✓
✗
4-inch color touchscreen for clear transaction review
✓
✗
Fully open-source firmware with reproducible builds
✓
✗
Dual secure element (Keystone 3 Pro) for chip-level defense
✓
✗
Bitcoin-only firmware mode for BTC-focused users
✓
✗
Native MetaMask, Rabby, and Phantom integration as air-gapped signer
✓
✗
Multisig support for advanced custody setups
✓
✗
SD card firmware updates verified via file hash
✓
✗
Decode and display smart contract interaction details
✓
✗
PIN protection with wipe-on-failure
✓
✗
Passphrase support (BIP39 extension)
✓
✗
Self-custody seed phrase with shamir secret sharing option
✓
✗
NFC tap-to-sign transaction authorization
✗
✓
No seed phrase - private key lives only on card chip
✗
✓
3-card backup system for redundant access
✗
✓
CC EAL6+ certified secure element chip
✗
✓
6,000+ supported crypto tokens and networks
✗
✓
iOS and Android companion app
✗
✓
WalletConnect support for dApp interaction
✗
✓
Biometric app authentication (phone fingerprint/FaceID)
✗
✓
Card form factor fits in standard wallet
✗
✓
No charging required - passive NFC card
✗
✓
Multi-account support across cards
✗
✓
Real-time portfolio value in app
✗
✓
Total Features
12
12
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Keystone if you need:
- ✓ True air-gapped signing via QR code only (no USB/BT/WiFi/NFC)
- ✓ 4-inch color touchscreen for clear transaction review
- ✓ Fully open-source firmware with reproducible builds
- ✓ Dual secure element (Keystone 3 Pro) for chip-level defense
- ✓ Bitcoin-only firmware mode for BTC-focused users
Choose Tangem if you need:
- ✓ NFC tap-to-sign transaction authorization
- ✓ No seed phrase - private key lives only on card chip
- ✓ 3-card backup system for redundant access
- ✓ CC EAL6+ certified secure element chip
- ✓ 6,000+ supported crypto tokens and networks
Pricing Comparison
Tangem starts at $54.99/mo, 44% cheaper than Keystone's $99/mo.
Keystone Plans
Paid plans only
Keystone EssentialBest Value
$99/one-time- • Air-gapped QR signing
- • 4-inch touchscreen
- • Open-source firmware
- • Multi-chain support
Keystone 3 Pro
$169/one-time- • Dual secure element chips
- • Enhanced tamper protection
- • Full multi-chain support
- • Bitcoin-only firmware option
Tangem Plans
Paid plans only
Tangem Wallet (2 cards)Best Value
$54.99/one-time- • 2 NFC cards
- • No seed phrase
- • 6000+ tokens
- • iOS and Android app
Tangem Wallet (3 cards)
$69.99/one-time- • 3 NFC backup cards
- • Better redundancy
- • Optimal for long-term storage
- • Maximum recovery options
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