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Coinkite Coldcard Mk4 vs SafePal S1

Coinkite Coldcard Mk4 offers open-source code, full desktop support. SafePal S1 features iOS support — and costs $128 less.

2 wallets
Open-source vs Closed
USB vs NFC
$128 price gap
Quick Verdict Updated 2026
Coinkite Coldcard Mk4
Coinkite Coldcard Mk4
Best overall
70 /100
Good
$177.94 View Best Price
SafePal S1
SafePal S1
Best value
67 /100
Average
$49.99 View Best Price
Open-formula rating 40+ criteria analyzed Last updated May 2026 No sponsored rankings

Key Takeaways

  • Coinkite Coldcard Mk4 wins in security (100/100)
  • SafePal S1 wins in ease of use (71/100)
  • SafePal S1 is more affordable ($49.99)
  • Best for beginners: SafePal S1 (easier setup)

Coinkite Coldcard Mk4 vs SafePal S1: Key Differences

Both Coinkite Coldcard Mk4 and SafePal S1 can keep your crypto safe — the real question is which one fits the way you actually use it. We've put both through our open-formula scoring on 40+ criteria: Coinkite Coldcard Mk4 (Coinkite) lands at 70/100, SafePal S1 (SafePal) at 67/100. The $128 gap between $177.94 and $49.99 isn't arbitrary — these are two different bets on what matters in a hardware wallet, and the right pick depends on which bet you'd take.

Expand This Comparison:

Coinkite Coldcard Mk4 vs SafePal S1 vs Keystone Pro 3 Coinkite Coldcard Mk4 vs SafePal S1 vs OneKey Pro

Winner by Category

Which wallet leads in each area

Security
Coinkite Coldcard Mk4100/100
SafePal S182/100
View Best Price Coinkite Coldcard Mk4
Ease of Use
Coinkite Coldcard Mk452/100
SafePal S171/100
View Best Price SafePal S1
Price
Coinkite Coldcard Mk4$177.94
SafePal S1$49.99
View Best Price SafePal S1
Coin Support
Coinkite Coldcard Mk41+
SafePal S1200+
View Best Price SafePal S1
Privacy
Coinkite Coldcard Mk475/100
SafePal S157/100
View Best Price Coinkite Coldcard Mk4
Beginner Friendly
Coinkite Coldcard Mk452/100
SafePal S171/100
View Best Price SafePal S1
Comparing:
Coinkite Coldcard Mk4
SafePal S1

Comparison Table

Key specifications for your decision

Criteria
Coinkite Coldcard Mk4
Coinkite Coldcard Mk4
Coinkite
$177.94
View Best Price
SafePal S1
SafePal S1
$49.99
View Best Price
Overall Rating
70/10067/100
Security
100/10082/100
Usability
52/10071/100
Price
$177.94$49.99

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.

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YesYes

Open Source Firmware refers to firmware in hardware devices, like wallets, where the source code is publicly available, allowing transparency, auditability, and customization.

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YesNo

Bluetooth Connectivity enables wireless communication between devices, like hardware wallets and smartphones, using Bluetooth or Bluetooth Low Energy (BLE) for secure data transfer.

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NoNo
USB
YesNo
Networks
1+200+

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.

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YesYes

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.

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OLEDColor LCD

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.

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24-word seed24-word seed
Setup Time
~15 min~10 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.

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NoneNone

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Our Verdict: Coinkite Coldcard Mk4 or SafePal S1?

Choose Coinkite Coldcard Mk4 if...

  • You want verifiable, open-source firmware and software
  • You need full desktop support (Windows, macOS, Linux)
  • You want wireless NFC connectivity — no cables needed
  • You run your own Bitcoin full node

Skip Coinkite Coldcard Mk4 if...

  • × You manage crypto from an iPhone (no iOS app here)
  • × Budget is tight — you'd be better served by a cheaper option in this comparison
  • × You hold a wide range of altcoins beyond what this device supports (1 networks)
View Best Price — Coinkite Coldcard Mk4 Full Review — Coinkite Coldcard Mk4

Choose SafePal S1 if...

  • You trust third-party audits () over open-source review
  • You need iPhone (iOS) compatibility
  • You want to save $128 without sacrificing core security
  • You actively use DeFi and WalletConnect dApps

Skip SafePal S1 if...

  • × You manage crypto from a desktop (no Windows, macOS, or Linux app)
  • × Open-source firmware is non-negotiable for you
  • × You want wireless NFC connection — no cables
View Best Price — SafePal S1 Full Review — SafePal S1

Our pick for most users

Both wallets score similarly (70 vs 67/100) — your choice depends on which features matter most to you.

Bottom line: Coinkite Coldcard Mk4 is the safer bet on security; day to day, SafePal S1 is the easier driver. If budget is real, SafePal S1 comes in $128 cheaper without giving up the basics.

Price: Coinkite Coldcard Mk4 vs SafePal S1

Coinkite Coldcard Mk4 costs $177.94, while SafePal S1 is priced at $49.99 — a $128 difference. The extra cost of Coinkite Coldcard Mk4 gets you a 3-point higher overall rating. For budget buyers, SafePal S1 offers solid security at a lower price point.

Buy Coinkite Coldcard Mk4 — $ 177.94Buy SafePal S1 — $ 49.99

Who Should Pick Which Wallet

Recommendations based on real-world use cases

Coinkite Coldcard Mk4

$177.94
Coin controlFull node supportNFC supportNative multisig support
Pros
  • +Dual secure elements (ATECC608A + DS28C36B) vs single-chip competitors
  • +Fully air-gapped signing via NFC or encrypted microSD — no USB required
  • +Open-source firmware with reproducible builds, independently verifiable
  • +Advanced multisig support with on-device policy verification
Cons
  • −Bitcoin-only: no support for ETH, SOL, or any altcoins whatsoever
  • −No companion mobile app — requires desktop (Windows, macOS, or Linux)
  • −No QR code signing; air-gap relies solely on NFC or microSD transfer
  • −At $177.94 it is among the most expensive single-asset hardware wallets
View Best PriceFull Review

SafePal S1

$49.99
AffordableBuilt-in batteryWalletConnect supportAndroid support
Pros
  • +EAL6+ secure element — higher certification than most rivals at this price
  • +Fully air-gapped via QR codes, eliminating all USB/Bluetooth attack surfaces
  • +Supports 30,000+ tokens across 200+ blockchain networks
  • +Built-in battery enables fully standalone operation without a host device
Cons
  • −Firmware and software are fully closed-source — no independent code audit possible
  • −No desktop support: Windows, macOS, and Linux are all incompatible
  • −No Shamir Secret Sharing; single mnemonic backup is the only recovery method
  • −No water resistance rating despite plastic ABS/PVC construction
View Best PriceFull Review

Best for These Profiles

🎓
Beginner / first wallet
SafePal S1 — simpler setup, lower learning curve
🔒
Security maximalist
Coinkite Coldcard Mk4 — highest security score, on-device verification
💰
Budget-conscious buyer
SafePal S1 — solid security at $49.99
✈️
Frequent traveler
Coinkite Coldcard Mk4 — compact, durable, no cables needed

Pre-Purchase Checklist

Important points to verify regardless of your choice

All wallets ship from official manufacturer stores with full warranty.

Buy Coinkite Coldcard Mk4Buy SafePal S1

Coinkite Coldcard Mk4 vs SafePal S1: Frequently Asked Questions

Answers about Coinkite Coldcard Mk4 vs SafePal S1

Is Coinkite Coldcard Mk4 better than SafePal S1?
On the numbers, Coinkite Coldcard Mk4 comes out ahead — 70/100 vs 67/100 — but 'better' isn't quite the right frame. SafePal S1 is more affordable at $49.99, which matters more for some buyers than overall score does. If overall rating is what you actually weigh first, take Coinkite Coldcard Mk4. If budget is the constraint that shapes your decision, SafePal S1 is the smarter buy. Either way, both are real hardware wallets — neither is a mistake.
How much do Coinkite Coldcard Mk4 and SafePal S1 cost?
Coinkite Coldcard Mk4 costs $177.94, SafePal S1 costs $49.99. These are list prices for the standard edition from official manufacturer stores. A few things worth knowing: hardware wallet prices barely move during the year, so 'waiting for a sale' rarely pays off — Black Friday is the one exception, with 10–20% off being typical. Avoid third-party listings even if they're cheaper; the supply chain risk on a tampered device wipes out any savings the first time you load funds. And don't buy a 'used' hardware wallet, ever — even if it claims to be reset.
Can Coinkite Coldcard Mk4 be used on iPhone (iOS)?
No — Coinkite Coldcard Mk4 has no iOS app today, and there's no public roadmap for one. It works fine with Android, Windows, macOS, and Linux, but iPhone users are out of luck. If your primary device is an iPhone and you don't want a separate computer just to manage crypto, SafePal S1 is the practical pick: it has a native iOS app and the full feature set works over Lightning or Bluetooth.
Which wallet is better for DeFi and Web3: Coinkite Coldcard Mk4 or SafePal S1?
SafePal S1 — and the gap is bigger than the spec sheets make it look. SafePal S1 has WalletConnect built in, which means you sign DeFi transactions directly from a hardware wallet without exposing keys to a hot wallet. Coinkite Coldcard Mk4 can technically work with DeFi via third-party software, but every extra step is one more place an attacker can intercept the transaction you're approving. If you're going to be clicking 'Sign' on smart contracts more than once a month, the difference compounds fast.
Is Coinkite Coldcard Mk4 more secure than SafePal S1 because it's open-source?
Not automatically — and this is a more nuanced question than the marketing suggests. Open-source (Coinkite Coldcard Mk4) lets anyone (researchers, hobbyists, paranoid users) read the firmware and verify there are no backdoors. That's the strongest possible trust signal. SafePal S1 keeps source code private but compensates with paid third-party audits from and certifications like CC EAL5+/EAL6+ on the secure element. Open-source is the more transparent posture; audited closed-source can still be cryptographically airtight. Our honest take: if open-source is the deciding factor for you philosophically, pick Coinkite Coldcard Mk4 — but don't dismiss SafePal S1 as 'less secure' purely on that basis.
Can SafePal S1 be used with a desktop computer?
No — SafePal S1 is mobile-only with no Windows, macOS, or Linux app available. If you do most of your crypto work on a laptop or desktop (DeFi power users, traders, anyone running a full node), this is a real limitation, not a minor inconvenience. Coinkite Coldcard Mk4 supports all three desktop operating systems with a polished companion app, and that's the practical pick if desktop is your main interface.
Where to buy Coinkite Coldcard Mk4 at the best price?
Always buy Coinkite Coldcard Mk4 from the official Coinkite store — never from Amazon, eBay, or third-party marketplaces, even if the price looks better. Hardware wallets have been physically tampered with in the supply chain before (compromised devices shipped to unsuspecting buyers, then drained the moment funds were loaded). Buying direct from Coinkite gets you a sealed unit with full warranty, firmware integrity, and a clean chain of custody. Free shipping and occasional discounts at the source make the price difference negligible anyway.
Do Coinkite Coldcard Mk4 and SafePal S1 come with a warranty?
Yes — both ship with a manufacturer warranty (typically 1–2 years) when bought from the official store. That said, a hardware wallet warranty is mostly about hardware defects, not lost funds. If the device fails, the manufacturer will replace it — but your seed phrase or backup cards are what actually restore your crypto onto the new device. The warranty is real but secondary; what protects your funds is your backup discipline, not a piece of paper from {{wallet1}} or {{wallet2}}.

Made your decision?

Check out full reviews or find the best price from official vendors.

Buy Coinkite Coldcard Mk4 Coinkite Coldcard Mk4 Review
Buy SafePal S1 SafePal S1 Review

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