Coldcard (MK4) vs. OneKey Classic 1S

Which one is better in 2025? In-depth comparison of Coldcard (MK4) and OneKey Classic 1S

Coldcard (MK4) and OneKey Classic 1S are two popular hardware wallets with different costs, ease of use, and compatibility.

We've compared Coldcard (MK4) head-to-head with OneKey Classic 1S to help you decide which is best for your needs.

	Select a product	Select a product
	Coldcard (MK4) ₹18,999 Save ₹4,000 1	OneKey Classic 1S ₹14,999
Connectors	USB-C	USB-C
Wireless	NFC	Bluetooth
Seed Phrase	BIP39	—
Release Year	2022	—
Features	Air-gapped PSBT	—
Works With	BTCPAY Bitcoin Core BlueWallet COLDCORE Casa Electrum Sparrow Wallet Specter Desktop Wasabi Wallet	BTCPAY Bitcoin Core Electrum MetaMask Phantom Rabby Sparrow Wallet Specter Desktop Wasabi Wallet
Compatible With	—	Android Linux Windows iOS macOS
Coins	Bitcoin (BTC)	Supports over 5000+ coins
Display Type	OLED	LED
Display Resolution	128 x 64	128 x 64
Battery Type	—	Lithium-ion
Battery Capacity	—	100mAh
Open Source	Yes	Yes
Certifications	—	CC EAL6+
Desktop	—	OneKey Wallet
iOS	—	OneKey: Crypto Wallet for DeFi
Android	—	OneKey: Crypto Wallet for DeFi
Controllers	—	STM32F205RGY6
Secure Elements	ATECC608A DS28C36B	ATECC608A
Size	—	86mm x 52mm x 5.2mm
Weight	—	20.5g
Materials	—	Plastic