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Your old phone?
Your new hardware wallet

Cupcake makes it easy for anyone to secure their crypto by turning any old phone into a powerful air-gapped hardware wallet.

Get Cupcake on Google PlayDownload Cupcake on the App Store

Protect your coins with no compromises

Supported coins: Bitcoin, Monero and Litecoin

Cupcake app running on a phone with a Bitcoin wallet
arrow pointing to phone
Old phone?
No problem.

Cake Wallet + Cupcake

A match made in heaven

Cake Wallet
Cupcake
Cake Wallet restoring a wallet from the Cupcake app by scanning a QR code shown on a second, offline phone running Cupcake

Frequently asked questions

How can I guarantee that it's private and safe?
We've built Cupcake from the ground up to be 100% free and open-source software, and even gone as far as to get the code itself audited. For those who want to take things a step further, you can always put your phone with Cupcake on it in Airplane Mode to further reduce any risk of attacks. Learn More
Can I use it with any cryptocurrency wallet?
Cupcake is designed to work seamlessly with Cake Wallet and other compatible cryptocurrency wallets that support QR code-based wallet restoration.
How do I set up Cupcake on my old phone?
Setting up Cupcake is straightforward. Simply download the app from the App Store or Google Play, install it on your old phone, and follow the on-screen instructions to create your air-gapped hardware wallet.
Is Cupcake really free?
Yes, Cupcake is completely free and open source. There are no hidden fees or subscription costs.
Who makes Cupcake?
Cupcake is made by Cake Labs LLC, the team behind Cake Wallet, Monero.com and Cake Pay.
Which coins does Cupcake support?
Cupcake supports Bitcoin, Monero and Litecoin.
Which phones does Cupcake work on?
Cupcake is available for Android phones on Google Play and for iPhone on the App Store.
Is Cupcake open source?
Yes. Cupcake's full source code is public on GitHub and licensed under the GNU General Public License v3.0 (GPL-3.0), so anyone can review or build it. View the code on GitHub
Do I need another wallet to use Cupcake?
Cupcake is a companion app for air-gapped signing. For full functionality, pair it with Cake Wallet or the Monero.com wallet on an internet-connected device. The two phones communicate using QR codes, so Cupcake itself never needs to go online.