When comparing Leap Motion vs Perception Neuron, the Slant community recommends Leap Motion for most people. In the question“What are the best VR gloves?” Leap Motion is ranked 4th while Perception Neuron is ranked 5th.
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Pros
Pro Versatile connection methods
The suit itself can stream data to a central hub, which can then connect to one's PC using WiFi, Bluetooth or be transferred from an SD card.
Pro Realistic input through detailed movement readings
Three different sensors are used (gyroscopes, accelerometers and magnetometers) in order to ascertain the movement and positioning of each hand.
Cons
Con Does not provide a sense of touch
Can only capture motion, does not provide any tactile feedback.
Con Designed more for motion capture over personal VR interaction
While it does appear the device is able to work with VR games built in Unity (and maybe other engines) as a VR controller device, it is mainly meant for the purpose of motion capture for developers of games.