Open Source Point of Sale vs Rain POS
Open Source Point of Sale
opensourcepos.orgRain POS
rainpos.comSide by side
| Figure | Open Source Point of Sale | Rain POS |
|---|---|---|
| Price from | Free | $99/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| Self-hosted | Yes | — |
| Plans published | 1 | 3 |
| Spec score · Retail Billing Software | 8.1 (#6) | 7.8 (#12) |
| Spec score · Shop Management software | 8.1 (#8) | 7.9 (#11) |
| Spec score · Retail POS Software | 8.1 (#10) | 7.8 (#16) |
| Spec score · Point-of-Sale Software | 8.3 (#39) | 8.3 (#36) |
| Free plan | Yes | No |
| Inventory management | Yes | Yes |
| Multi-location support | Yes | Yes |
| Security | The project lists optional Google reCAPTCHA to protect the login page from brute force attacks and describes the software as GDPR ready. | The payment page says Rain uses authenticated-user access to payment information and describes fraud prevention through multiple security layers. |
| Support | The security policy says vulnerability reports receive a response within 48 hours and confirmed vulnerabilities are patched within a few days depending on complexity. | The Startup plan includes unlimited phone and email support. |
Plans
In their own words
Open Source Point of Sale
Open Source Point of Sale is a web-based sales and inventory system written in PHP, with MySQL or MariaDB for its data store. It handles stock for items and kits, supports multiple locations, and includes a register that logs transactions, quotations, invoicing, and VAT, GST, customer, and multi-tier taxes. Other operating tools cover expenses, cash up, receivings, gift cards, rewards, and restaurant tables. Users can print or email receipts, invoices, and quotations, and create and print barcodes. Multiple users can have permissions, with reports for sales, orders, expenses, and inventory status. Listed integrations include MailChimp and SMS messaging. The project supports different installation methods and lists PHP 8.2 to 8.4, MySQL 5.7 or MariaDB 10.x, and Apache 2.4 as server requirements. The software is free at free. It uses MIT terms with a requirement to keep its visible footer signature on every page. Security patches cover versions 3.4.2 and later.