Ignition offers Free Trial, but SparkPlug does not.
SparkPlug is designed for Large Enterprises, Medium Business and Small Business.
Ignition is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for SparkPlug Starts at $199/Month whereas for Ignition Starts at $65/Month when Billed Yearly.
Some top alternatives to SparkPlug includes Sales Desk, iVend Retail, Retail Pro, Visual Retail Plus, ShopTill-e, Incentivit, GaragePlug, Glow Loyalty, iGainSpark and Ignition.
Some top alternatives to Ignition includes PandaDoc, Proposify, Better Proposals, Proposable, Propoze, seProposals, Docspo, ProposalPad, Fresh Proposals, Prospero and Proposa.