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Neither ListClean nor AtData offers a free trial.
ListClean is designed for Freelancers, Medium Business and Small Business.
AtData is designed for Large Enterprises, Medium Business and Small Business.
The starting price of ListClean begins at $5, while pricing details for AtData are unavailable.
Some top alternatives to ListClean includes Mailercheck, mailfloss, Email List Verify, QuickEmailVerification, EmailVerifier, GoDaddy Website Security, CleanMyMails, Bouncify, SafetyMails and sift.email.
Some top alternatives to AtData includes ZeroBounce, EmailOversight, BriteVerify, Snovio, Email List Verify, Bouncer, Emailable.io, DataValidation, EmailVerifier and Email List Validation.