SignBit vs Casa compared
SignBit and Casa both protect bitcoin with multisig, and each holds one backup key that can never move your coins alone. They differ on price, heirs and what happens if you stop paying. Every fact about Casa is from Casa's own website, checked on 4 November 2026.
SignBit and Casa both keep bitcoin behind several keys. You hold most of them, and the company holds one backup key that can never move your coins on its own. This page sets the two side by side. Every fact about Casa comes from Casa's own website, read on 4 November 2026, with the sources listed at the end. Prices and terms change, so check casa.io before you decide.
1. At a glance
| SignBit | Casa | |
|---|---|---|
| Assets | Bitcoin only | Bitcoin, plus vaults for Ethereum and stablecoins |
| Vault sizes | 2-of-3 up to 15 keys | 2-of-3, 3-of-5 or 3-of-6, by plan |
| The company's key | One backup key, never enough to move coins alone | One backup key, never enough to move coins alone |
| First vault | A 2-of-3, free | Standard, $250 a year, after a 30-day free trial |
| A 3-of-5 vault | $19, paid once | Premium, $2,100 a year |
| Billing | Vaults paid once. Help plans by the month, every 3 months or by the year | Yearly |
| ID checks | None, just an email | None for the vault. Buying bitcoin in the app needs ID |
| Heirs | Up to 10 per vault | One recipient per vault on Standard and Premium |
| If you stop paying | Your vaults stay as they are | Withdrawal only, after a 30-day grace period |
| Recover without the company | Yes, in Sparrow or Electrum | Yes, in Sparrow or Electrum |
| Apps | Web app, plus Fountain for Windows, Linux and Android | iPhone and Android, no desktop app |
2. Keys and who holds them
On a SignBit 2-of-3 you make two keys yourself, for example in Fountain, our free signing app, on your phone and on an offline laptop. SignBit holds the third. Any two keys can approve a payment, and SignBit adds its signature only within the spending rules you set. Larger vaults go up to 15 keys, and you can invite other people to hold some of them. A hardware wallet can hold a key too, through Sparrow.
Casa's Standard plan is a 2-of-3 with one hardware key, one key in the Casa app on your phone and one Casa key. Premium is a 3-of-5 built on hardware keys, and Private Client offers 5 or 6 keys. Casa describes its own key as one "used for recovery or to co-sign when your other keys are out of reach".
3. Prices
Your first 2-of-3 vault on SignBit is free, for good. More vaults are paid for once, by size, from $9 for up to 3 keys to $149 for up to 15. Help from our team is optional. Take a plan (Supported is $20 a month, $50 every 3 months or $180 a year), or pay only when you need something. See Pricing.
Casa bills by the year. Standard is $250 a year, with a 3-key vault, inheritance and email support. Premium is $2,100 a year and adds a 5-key vault, an onboarding package with hardware, priority video support and access to Casa's advisory team. Private Client is $7,500 a year, with a 5 or 6-key vault and a dedicated advisor. Standard starts with a 30-day free trial.
4. Identity checks
SignBit asks for an email address to sign up. There is no ID check.
Casa says it has no KYC requirement for its vaults, because it never holds enough keys to move funds. Buying or selling bitcoin in the Casa app runs through a partner, Zero Hash, which asks for your name, address, date of birth and a government-issued ID.
5. Inheritance
On SignBit you can name up to 10 beneficiaries on each vault, on every plan, and print a recovery plan for your family. If your heirs hold enough of your keys, they can spend without us. If they don't, they can ask SignBit for the last signature. Nothing moves until your account has been silent for at least twelve months, a further 90 days have passed while we try to reach you, and the request is approved. You can stop it with one click. The review costs $399, paid by whoever files it, unless your plan covers it. See Plan for your heirs.
Casa includes inheritance on every plan. On Standard and Premium you name one recipient per vault, invited by email. When they file a claim, Casa runs a six-month inactivity check before they can move the coins.
6. If you stop paying
On SignBit there is nothing to keep paying for a vault. It is paid for once and stays yours. If you cancel a help plan, your vaults, keys, heirs and recovery plan all stay, and help goes back to a price per use.
Casa's help centre says a lapsed membership gets a 30-day grace period, then the app goes "withdrawal only". You can still move your full balance out with the two keys you hold, but you can't make new addresses, change your keys or use the Casa Recovery Key.
7. If you can't reach the company
A SignBit vault is standard Bitcoin multisig. With the backup file from your vault page, or SignBit's Zpub, and enough of your own keys, you can rebuild it in Sparrow or Electrum and spend without us. See Recover your bitcoin without SignBit.
Casa calls this Sovereign Recovery. It emails you the vault's public keys and instructions when you set the vault up, and names Sparrow and Electrum for a Bitcoin vault.
8. Which one suits you
Casa may suit you if you want an iPhone app, vaults for Ethereum or stablecoins, buying bitcoin inside the app where it's offered, or advisors and video support on its higher plans.
SignBit may suit you if you want a free 2-of-3 to start, vaults you pay for once, no ID, several heirs on one vault, or a signing app that runs offline on a laptop.
Either way, your bitcoin sits behind keys you hold. If something on this page is out of date, tell us at support@signbit.io and we'll correct it.
9. Sources
Read on 4 November 2026.
- SignBit's pricing and guides.
- Casa's pricing, vaults, inheritance and its inheritance FAQ, Sovereign Recovery, membership expiry, AML and KYC, buy and sell and app downloads.