If you have a hi-fi streamer, music server or network DAC, and you want to use an iOS device (iPhone / iPad) as a remote, JPLAY app is what you need.
Nearly every streamer or network DAC on the market! The beauty of JPLAY app is that it utilizes UPnP AV standard which is widely used for decades and most likely your hi-fi streaming device supports it even though you have not heard about it before.
Compatible hi-fi component (see above) and iOS device (iPhone / iPad). Both devices must be connected to the same network.
JPLAY app is available in App Store here.
Yes, there is a 2-week free trial period. You have to subscribe to be able to use the app, but you WON'T be charged during 14-day free trial period. You can cancel the subscription at any moment during the 14-day trial period if you do not wish to pay for the yearly subscription. For more details see pricing page.
Please follow this guide: https://support.apple.com/en-us/HT202039
Remember - you are not going to be charged if you cancel the subscription during 14-day free trial period.