Ngrave Zero vs Tangem Ring vs Trezor Safe 7
Comparing 3 wallets: Ngrave Zero (61/100, $398), Tangem Ring (75/100, $160), and Trezor Safe 7 (90/100, $249). Prices range from $160 to $398.
Key Takeaways
- Trezor Safe 7 wins in security (100/100)
- Trezor Safe 7 wins in ease of use (79/100)
- Tangem Ring is more affordable ($160)
- Both support 15+ cryptocurrencies
- Best for beginners: Tangem Ring (easier setup)
Ngrave Zero vs Tangem Ring vs Trezor Safe 7: Key Differences
Picking between 3 hardware wallets (Ngrave Zero vs Tangem Ring vs Trezor Safe 7) usually comes down to a handful of trade-offs, not a single winner. Prices run from $160 to $398; overall scores from 61 to 90/100 — and the spread tells a story. Here's where each one earns its keep, and where it falls short.
Detailed Pair Comparisons:
Winner by Category
Which wallet leads in each area
Comparison Table
Key specifications for your decision
| Criteria | ![]() Ngrave Zero Ngrave $398 | ![]() Tangem Ring Tangem $160 | ![]() Trezor Safe 7 Trezor $249 |
|---|---|---|---|
Overall Rating | 61 | 75 | 90 |
Security | 73 | 97 | 100 |
Usability | 71 | 70 | 79 |
Price | $398 | $160 | $249 |
EAL Certification (Evaluation Assurance Level) from Common Criteria rates the security of hardware components, like secure chips in crypto hardware wallets. Higher levels, such as EAL5+ or EAL6+, indicate stronger resistance to attacks. Learn more | Yes | Yes | Yes |
Open Source Firmware refers to firmware in hardware devices, like wallets, where the source code is publicly available, allowing transparency, auditability, and customization. Learn more | No | Yes | Yes |
Bluetooth Connectivity enables wireless communication between devices, like hardware wallets and smartphones, using Bluetooth or Bluetooth Low Energy (BLE) for secure data transfer. Learn more | No | No | Yes |
USB | No | No | Yes |
Networks | 15+ | 85+ | 50+ |
A passphrase is an additional security layer for cryptocurrency wallets, acting as a 25th word in the BIP39 seed phrase, protecting access to hidden wallets. Learn more | Yes | Yes | Yes |
A touchscreen display is a screen that allows users to interact with a device by touching the surface, commonly used in hardware wallets for easy navigation and transaction confirmation. Learn more | LCD Capacitive Touchscreen (480x800, 600 Cd/M²) | None | Color Touchscreen |
Recovery is the process of restoring access to a cryptocurrency wallet using its seed phrase or mnemonic backup if the original wallet is lost or inaccessible. Learn more | 24-word seed | Multi-card | Multi-card |
Setup Time | ~20 min | ~3 min | ~5 min |
IP Rating refers to the level of protection a device has against dust and water, often used for hardware wallets to indicate their durability in various environments. Learn more | IP55 | IP69K | IP67 |
Our Verdict: Ngrave Zero vs Tangem Ring vs Trezor Safe 7
Choose Ngrave Zero if...
- You trust third-party audits (Common Criteria EAL7 certification of integrated ProvenCore TEE (Prove & Run)) over open-source review
- You are comfortable managing a seed phrase
Skip Ngrave Zero if...
- ×Open-source firmware is non-negotiable for you
- ×Budget is tight — you'd be better served by a cheaper option in this comparison
- ×You want wireless NFC connection — no cables
Choose Tangem Ring if...
- You prefer a compact, screenless form factor
- You want wireless NFC connectivity — no cables needed
- You want to save $89 without sacrificing core security
Skip Tangem Ring if...
- ×You want to verify transactions on the wallet's own screen
- ×You manage crypto from a desktop (no Windows, macOS, or Linux app)
- ×You want Shamir Secret Sharing for split, geographically distributed backups
Choose Trezor Safe 7 if...
- You use Bitcoin and care about privacy (CoinJoin, coin control)
- You want advanced backup with Shamir Secret Sharing
- You are comfortable managing a seed phrase
- You run your own Bitcoin full node
Skip Trezor Safe 7 if...
- ×Budget is tight — you'd be better served by a cheaper option in this comparison
- ×You want wireless NFC connection — no cables
Our pick for most users
Based on the overall rating, Trezor Safe 7 scores 90/100 and offers the best balance of security, usability, and value in this comparison.
Bottom line: Trezor Safe 7 is our pick — it leads on both security and ease of use, and the overall score reflects that. If budget is real, Tangem Ring comes in $238 cheaper without giving up the basics.
Price: Ngrave Zero vs Tangem Ring vs Trezor Safe 7
Prices range from $160 (Tangem Ring) to $398 (Ngrave Zero). The extra cost of Ngrave Zero gets you a -14-point higher overall rating. For budget buyers, Tangem Ring offers solid security at a lower price point.
Who Should Pick Which Wallet
Recommendations based on real-world use cases
Ngrave Zero
$398- +Fully air-gapped — QR-only signing with no USB data, Bluetooth, NFC or WiFi
- +EAL7-certified ProvenCore operating system, the highest assurance tier for a device OS
- +Biometric fingerprint sensor plus an 8-digit PIN, with tamper-triggered auto-wipe
- +Proprietary Perfect Key generation and the steel GRAPHENE backup ecosystem
- −Closed-source firmware that fails WalletScrutiny reproducibility checks
- −Premium price ($398, and more with the GRAPHENE backup)
- −No built-in WalletConnect; dApp access relies on MetaMask/Rabby
- −QR-only workflow is slower than USB or Bluetooth signing
Tangem Ring
$160- +World's first smart ring hardware wallet — wearable crypto signing
- +EAL6+ Samsung secure element, same chip used in Tangem cards
- +IP69K waterproof rating — survives submersion and high-pressure water
- +No battery required — passive NFC means zero charging ever
- −No screen — transaction details must be verified on paired phone
- −Closed firmware — source code not publicly auditable
- −No backup ring included at $160; losing it risks permanent fund loss
- −NFC-only connectivity — incompatible with desktop OS (Windows, macOS, Linux)
Trezor Safe 7
$249- +TROPIC01 open secure element allows full auditability, unlike closed SE chips
- +EAL6+ certified secure element, highest certification tier among consumer wallets
- +SLIP-39 Shamir Secret Sharing splits seed across multiple shares by default
- +2.5-inch color touchscreen is the largest display in its hardware wallet class
- −At $249, it is the most expensive Trezor model, nearly 3x the Trezor Model One
- −No NFC support, limiting tap-to-sign workflows available on competing devices
- −Bluetooth attack surface introduces wireless threat vectors absent in USB-only wallets
- −Multisig support is basic only, lacking advanced coordinator tooling on-device
Best for These Profiles
Pre-Purchase Checklist
Important points to verify regardless of your choice
All wallets ship from official manufacturer stores with full warranty.
Ngrave Zero vs Tangem Ring vs Trezor Safe 7: Frequently Asked Questions
Answers about Ngrave Zero vs Tangem Ring vs Trezor Safe 7
Is Ngrave Zero better than Tangem Ring?
How much do Ngrave Zero and Tangem Ring and Trezor Safe 7 cost?
Does Tangem Ring work without a seed phrase — and is that safe?
What happens if I lose all my Tangem Ring cards?
Which wallet is better for DeFi and Web3: Ngrave Zero or Tangem Ring?
Ngrave Zero vs Tangem Ring: which has better backup options?
Is Tangem Ring more secure than Ngrave Zero because it's open-source?
Is Tangem Ring safe to use without a screen?
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