HP
Neither Picterra nor eSpatial offers a free trial.
Picterra is designed for Individuals, Freelancers, Medium Business and Small Business.
eSpatial is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Picterra Starts at $79 whereas for eSpatial Starts at $1,295/Year.
Some top alternatives to Picterra includes NetOwl, SURE Aerial, eSpatial, SentiSight.ai, Qualified, Workvivo, PrecisionAnalytics, Site Scan for ArcGIS, DroneDeploy, IFTTT and Online Check Writer.
Some top alternatives to eSpatial includes ArcGIS Online, Mapbox, Maptive, Maptitude, Map Business Online, Mango, vMAP, Agile GIS and Mapify.