This app acts as a digital Bitcoin piggy bank where you can save sats. You feed it via the Lightning Network or Apple Pay, and the money is held in a self-custodial wallet. To access your funds, you must 'kill' the piggy bank, permanently deleting it and its associated data.
2.1.1
July 17, 2026
Feeding, leveled up. - Improved the feed flow - Better handling of piggy links - Fixed a few bugs Your piggy is hungry. You know what to do.
More$9.99
Adopt a Piggy
Skin, name, personality, profile, and messages.
Piggy is fully self-custodial, meaning your keys are derived from your passkey on your device and never stored by the app. This ensures that only you control your sats, and neither the developers nor anyone else can access them.
No, Piggy is designed with a unique mechanic where there is no withdraw button. To access your sats, you must 'kill' the piggy bank, which permanently deletes it and sends the funds to a Bitcoin address you choose.
You can feed your Piggy sats over the Lightning Network. In the US, you can also use Apple Pay, with Coinbase handling the financial transactions.
When you kill your Piggy, it will beg, and you will need to type its name. The sats are sent to your chosen Bitcoin address, and your Piggy, its face, name, address, and all messages it received are gone forever, not archived.
Yes, each adopted Piggy has a unique name and a Lightning address (yourpig@pig.gy). You can share its public page at pig.gy/yourpig, allowing friends and family to feed it and leave messages with their sats.
Piggy is rated for ages 12+ and can be good for kids' savings, as relatives can feed it from anywhere. It offers a way to introduce saving without complex seed phrase management.
The latest version of Piggy is 2.0.1, which was last updated on July 8, 2026. This indicates a relatively active development cycle for the application.
Based on the available data, Piggy has received a perfect 5.0 stars from 3 ratings, suggesting a highly positive initial user reception.