When comparing NES30 vs 8bitdo SFC30, the Slant community recommends 8bitdo SFC30 for most people. In the question“What are the best third-party game controllers for Android?” 8bitdo SFC30 is ranked 6th while NES30 is ranked 21st. The most important reason people chose 8bitdo SFC30 is:
This controller has exactly the same design as a Super Nintendo/Super Famicom controller.
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Pros
Pro Nostalgic design
The look of the controller imitates the classic NES controller design.
Pro Perfect for emulation
This is a great controller to get for playing emulator games on a phone or tablet.
Pro Nostalgic design
This controller has exactly the same design as a Super Nintendo/Super Famicom controller.
Pro Light and portable
The 8bitdo SFC30 fits in your pocket easily. Dimensions are 61mm (2.4") tall, 144mm (5.66") wide, and 24mm (0.94") thick.
Cons
Con No analog sticks
Not for games that need an analog stick.
Con Has issues pairing
No matter which device you try to pair the controller with, it ends up losing the pairing, forcing the player to go through the pairing process frequently enough to be annoying.
Con No analog sticks
Only really useful for 2D games as there are no analog sticks.
Con Not ergonomically designed
There aren't any grips, and the button layout is designed to be functional instead of comfortable.