Neither Plezi nor OutboundEngine offers a free trial.
Plezi is designed for and Medium Business.
OutboundEngine is designed for Large Enterprises, Medium Business and Small Business.
The starting price of OutboundEngine begins at $199/Month, while pricing details for Plezi are unavailable.
Some top alternatives to Plezi includes Outgrow, ActiveCampaign, CleverTap, Moosend, Omnisend, Inboundio, LeadSquared Marketing Automation, LeadBI, Hubspot Marketing Hub, OutboundEngine, Webmecanik Automation, SAS Marketing Automation, Zoho Marketing Automation, Contactspot and Ackwire.
Some top alternatives to OutboundEngine includes Outgrow, ActiveCampaign, CleverTap, Moosend, Act-On, Omnisend, ActiveTrail, EngageBay, MaaxMarket, Webmecanik Automation, Marketing Optimizer, Adobe Marketo Engage, Contactspot and Ackwire.