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Keystone 3 Pro vs SafePal S1

Comparing
two wallets
Decided by
Editorial rating
Last reviewed
2026-08-25
Keystone 3 Pro4.4

Air-gapped signing on a 4 inch touchscreen, with three security chips and a fingerprint reader, at $149.

SafePal S13.5

Budget air-gapped signer with no USB data, WiFi, Bluetooth or NFC: every transaction crosses as a scanned QR code.

Verdict: Keystone 3 Pro

Keystone 3 Pro rates higher on our rubric: 4.4 against 3.5 for SafePal S1.

Criterion
Editorial rating
Keystone 3 Pro
4.4
SafePal S1
3.5

Keystone 3 Pro and SafePal S1, fact by fact

Every row is from the two reviews as of their review dates, with sources on each. A check marks the side a decidable criterion favours; rows without one are information, not a score.

Keystone 3 Pro and SafePal S1 compared fact by fact from their reviews; a check marks the side a decidable criterion favours.
FactKeystone 3 ProSafePal S1
Editorial rating4.4 (favoured on this row)3.5
StatusAvailableAvailable
Made byKeystoneSafePal
Price$149Not published
Who holds the keysself-custodial, seed split across three independent security chips, air-gapped by QR code and microSDself-custodial, keys held offline on a device with no USB data, WiFi, Bluetooth or NFC connection
Bitcoin-onlyNoNo
Runs oniOS, AndroidiOS, Android
Screen4 inch color LCD touchscreen with fingerprint unlockSmall color screen with a camera for reading QR codes
ConnectivityQR codes and microSD for signing, with no USB or Bluetooth data path; WebUSB firmware updates only with air-gap mode offQR codes only: no USB data, WiFi, Bluetooth or NFC
ReleasedNot statedNot stated
Countries on the maker's list56No published list
Last reviewed2026-08-252026-08-25

Pros and cons, side by side

Keystone 3 Pro

What works

  • Three secure element chips, against one on Ledger's and Trezor's flagship devices
  • A 4 inch touchscreen that shows full transaction detail, including decoded contract data
  • Fully air-gapped: signing happens over QR codes or microSD, never USB or Bluetooth
  • Fingerprint unlock and anti-tamper protection that wipes data if the case is opened
  • Dice-roll entropy, Shamir backup and BIP-129 multisig, a standard Keystone co-authored

What to watch

  • Not bitcoin-only, so multi-chain parsing code runs on the device
  • Keystone's shipping page claims worldwide delivery and then publishes a 56 country list
  • Air-gapped signing means scanning QR codes for every transaction, which is slower than plugging in a cable
  • A newer brand with a shorter public track record than Ledger or Trezor

SafePal S1

What works

  • No USB data, WiFi, Bluetooth or NFC: the only channel in or out is a QR code on a camera
  • SafePal's budget cold storage line, positioned below the newer Bluetooth X1
  • Broad asset support with swap, buy and DeFi features for people who hold more than bitcoin
  • SafePal accepted an outside security report from Kraken Security Labs and shipped a fix

What to watch

  • Not bitcoin-only, and the companion app is a broad crypto app rather than a focused signer
  • The February 2021 Kraken disclosure showed the firmware update check could be downgraded without the user noticing
  • Verification happens on a small screen, which makes careful address checking slower
  • SafePal publishes no shipping country policy, pointing at a reseller network instead

Frequently asked questions

Is Keystone 3 Pro or SafePal S1 better?

Keystone 3 Pro rates higher on our rubric: 4.4 against 3.5 for SafePal S1. The rating follows the product rubric published on our about page; the rows above set custody, price and platforms side by side so you can check it.

Is Keystone 3 Pro or SafePal S1 bitcoin-only?

Neither: both support assets beyond bitcoin. Keystone 3 Pro: Multi-asset: Keystone counts more than 5,000 coins and tokens and over 45 compatible software wallets. SafePal S1: Multi-asset: bitcoin among a long list of chains and tokens, managed through the SafePal app.

The full reviews: Keystone 3 Pro and SafePal S1, each with its sources, and every wallet we review.

More comparisons

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