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The best alternatives to Ontenna are uSound, Nanoplug, and Hearing Aid & Transcribe Voice. If these 3 options don't work for you, we've listed a few more alternatives below.
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Best alternatives to Ontenna
APIs to make your app enterprise ready

  • Converts smartphones into digital hearing aids

  • Use your smartphone and latest technologies for maximum sound amplification. Increase the volume and improve the sounds around you FUNCTIONS: 1. Hearing Aid 2. Noise suppression 3. Voice to Text Trust the smart...

  • HearJoy strives to eliminate the difficulty of chatting with your friends in loud environments, like cafés & restaurants. The app connects multiple pairs of personal bluetooth headphones together into one audio...