Invoice Ninja
Business & Finance
Invoice Ninja is a long-running open-source invoicing platform — create branded invoices, accept online payments, and track time and expenses.
How to install it as an app
- Open app.invoiceninja.com in Chrome or Edge.
- Click the install icon in the address bar (or menu → “Install app”).
- Open the app in Chrome on Android.
- Tap the ⋮ menu → “Add to Home screen” or “Install app”.
- Open the app in Safari on iOS.
- Tap the Share button → “Add to Home Screen”.
What the community says