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Doubletick is Free and unlimited email tracking for Gmail and Google Workspace (G Suite) with real-time desktop notifications and WhatsApp like double tick marks (✓✓) in your sent box. A single blue tick ✓ indicates that an email has been sent, but yet to be opened by the recipient. Double blue ticks ✓✓ mean that your email has been opened by the recipient and grey ticks indicates that email is not tracked.
免责声明：WebCatalog 与 DoubleTick 不存在任何隶属、关联、授权或认可关系，也未以任何方式与其建立官方联系。所有产品名称、徽标和品牌均为其各自所有者的财产。
