The best alternatives to Shadee.org are Vimeo, Tinder 4.0, and Hinge. If these 3 options don't work for you, we've listed a few more alternatives below.
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Echo is a voice-focused dating app. You can think echo as Tinder with audio. When you login you immediately start to see profiles and listen voices of suitable dating candidates around you. When you liked someone he or she will be notified automatically. So you don't have to spend money to get noticed.
Hinge Matchmaker connects to your Facebook to show you your friends that use Hinge and lets you act as matchmaker by introducing your single friends to one another.
Holler Date is a voice dating platform that aims to amplify personality over a person's looks. Users hear short voice introductions of other singles. Photos are hidden unless a user uses their match points to reveal the photo behind a voice intro.