# Ignition vs Rapid SCADA

Source: https://listme.name/compare/ignition-vs-rapid-scada
Framed by the ranking: https://listme.name/best/scada-software

| | Ignition | Rapid SCADA |
|---|---|---|
| Score | 93.5 | 84.0 |
| Rank | #1 | #5 |
| Price | Free plan, paid upgrades | Free and open source |
| Best for | Full-featured SCADA with unlimited tags per server | Free SCADA on Windows or Linux servers |
| License model | Per server, unlimited tags and clients | Apache 2.0 Standard; paid Enterprise |
| Web client | Yes | Yes |
| Protocols | OPC UA, MQTT, SQL | Modbus driver; other modules |

Unlimited tags and clients per server, with web clients and a free Maker Edition for non-commercial use. Production use needs a paid license per server, and support plans add an annual fee. Apache 2.0 Standard edition with unlimited data points, running on Windows Server or Linux. Enterprise features need the paid license, and training or consulting are separate services.