I can get a DXO One on Amazon for $138.88 (was originally $600)
https://www.amazon.com/DxO-20-2MP-Digital-Connected-Current/dp/B01L25N77O/ref=sr_1_2?ie=UTF8&qid=1546032695&sr=8-2&keywords=dxo+one20 megapickles
Can work without a smartphone (with a tiny screen)
One inch sensor
Tell me why I shouldn't get one.