The best alternatives to Myo are Hawkeye Access, The Tap, and gesture.ai. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— The most accurate API for conversational speech-to-text
Hawkeye Access lets you use eye and face movements to control your device hands-free. For people with motor impairments, this makes controlling an iOS device much easier.