Neither Firebase nor Particle offers a free trial.
Firebase is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Particle is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Firebase and Particle are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Firebase includes Budibase, Google Cloud Debugger, MongoDB, 8base, Clustered Cloud, AWS Amplify, CloudBoost, cloudbase.io and Google Cloud APIs.
Some top alternatives to Particle includes Wia, Atman IoT, IoTWorX, CloudPlugs, Bosch IoT Suite, Azure IoT Solution Accelerators, Azure IoT Central, IBM Watson IoT Platform and Thinger.io.