Ok on iPhone but not on iPad
The Good: Basic functionality Is solid if no frills. Fosi does make occasional software updates to the App and firmware updates to their S3 Streamer-DAC-preamp audio device (which is awesome by the way for the money. A great value )
The Not-So-Good:
On the iPad, there are some UI bugs, such as the equalizer does not scroll left and right. It’s frozen in place so you can’t adjust the higher frequency ranges that are out of window view. You can o Lyndon that on the iPhone. They are other small app issues. The main complaint is that Fosi’s hardware is an awesome value of the money, but they need to catch up on the software side with their major competitors for Streamer control software.
The Not-So-Good:
On the iPad, there are some UI bugs, such as the equalizer does not scroll left and right. It’s frozen in place so you can’t adjust the higher frequency ranges that are out of window view. You can o Lyndon that on the iPhone. They are other small app issues. The main complaint is that Fosi’s hardware is an awesome value of the money, but they need to catch up on the software side with their major competitors for Streamer control software.
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SSurrogateMarker
Slow To Update App
Roon Ready was a selling point of the app back when the Fosi S3 was released in 2025. Still not even “Roon Tested”. Extremely slow update cycle when compared to my Wiim products. Looking back, I should have stuck with Wiim.
JJSchud
Works great, but almost too basic
I love this app due to the 10-band eq compared to Spotify’s pathetic 6. The only issue I find is that scrolling down on the EQ page can be annoying and sometimes the app will show nothing after opening it. Otherwise, I do think they should add room EQ and effects like reverb or presets like the ones old AVRs had.
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Ttanglewrangle
Great!!!
Very easy to setup Fosi network/bluetooth streaming devices and just works!!!
NNSGoss
Does it do anything?
Installed and uninstalled multiple times. Spent hours searching for devices. What is it supposed to do?
CCardinalfan55




