Yes, both Google Drive and Aerofiler offer a Free Trial.
Google Drive is designed for Large Enterprises, Medium Business and Small Business.
Aerofiler is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of Google Drive begins at $8/User/Month, while pricing details for Aerofiler are unavailable.
Some top alternatives to Google Drive includes CollaborateCloud, Odrive, CloudFiles, Dropbox Business, Zoho WorkDrive, FileCloud, Microsoft OneDrive for Business, Dropbox Professional, DocUp and OpenDrive.
Some top alternatives to Aerofiler includes Universal Contract Manager, Contract Advantage, ContractWorks, Concord, Contract Logix, Contract Insight, RevvSales, ContractAwesome, The Legal Capsule and Zoho Contracts.
