| Price from | $4.99/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Plans published | 4 | 2 |
| Spec score · Invoicing software | 9.2 (#6) | 7.1 (#75) |
| Free plan | No | Yes |
| Headquarters | London, United Kingdom | Patiala, Punjab, India |
| Integrations | Official pages describe integrations with Xero for accounting and Stripe and PayPal for payments. | The maker says CatsBill follows an approach for seamless integration with any business, but names no specific integrations on this page. |
| Inventory | The feature set includes inventory tracking, stock management and barcode scanning. | It manages opening and closing stock, automates stock tracking, and centralizes sales and purchase records. |
| Product | Billdu is cloud invoicing and small-business software for invoices, estimates, purchase orders, delivery notes, expenses, payments and related business tools. | CatsBill is an online GST-compliant billing web application for the Indian market. |
