The best alternatives to CashControl are Swipe, Slingshot, and Memoir 2.0 . If these 3 options don't work for you, we've listed a few more alternatives below.
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Slingshot allows users send a photo or video with text or drawings to another person. The recipient, however, can not open the picture without acknowledging that they want to open it and “sling” another image back to the initial sender.