Doubletick for Gmail
马斯克
2021-08-04
47972 view · 479 likes
Doubletick is a Free and Unlimited email tracking tool for Gmail and G-Suite, adds double checkmarks ✔✔ to your mail if it is read by the recipient (Just like WhatsApp) and notifies you with real-time notification.? 25% OFF on Pro PlanLogin to get promo code



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