SpyPig is described as 'Was a simple email tracking system that sends you a notification by email when the recipient opens your message' and is an website. There are three alternatives to SpyPig, not only websites but also apps for. The best SpyPig alternative is GetNotify, which is free. Other great sites and apps similar to SpyPig are DidTheyReadIt.com and ClickNotifi.
GetNtoify.com is a Free Email Tracking & Email Marketing service which tracks your sent emails and get email open and email read confirmation. Receive email message return receipt and read receipt.
Free email tracking trial! Instantly track emails. Find out when, where & how long recipients read your sent emails. Receive email message read receipts.
With ClickNotifi you get notified when the customer visits website from your email so you can call them while they remember you!
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