A sleek, always-on-top bubble that stays out of your way until you need it. Enter an amount on your PC — it appears on your terminal instantly.
Everything you need to run semi-integrated payments without leaving your desktop workflow.
A small floating bubble stays above all windows, ready whenever you need to take a payment.
Seamlessly integrated with Square Terminal — each merchant connects with their own Square account.
Click to expand, enter an amount, send to terminal, collapse. Minimal friction for busy counters.
Per-merchant OAuth tokens stored securely in Firestore. No shared credentials across businesses.
Connect with Square OAuth in minutes. Link your terminal and start processing right away.
Clean, minimal interface designed for retail and service businesses that need speed at the counter.
Three steps from install to your first payment.
Download Bubble Register for Windows or macOS and run the installer.
Sign in with your Square account and link your Terminal device.
Click the bubble, enter an amount, and send it to your terminal instantly.