I was one of the first who bought the Riva S speakers when they were available last year on day one. I have never gotten it to work together with this app when it was finally released. The app took forever to find the speaker and then I couldn't even control it, e.g. volume. When I saw one of the reviews which said to try a firmware update, I contacted customer support and also performed the update. After the update, everything is working fine now. Just wished there was better communication regarding this issue but now I'm happy that everything is working.
After the long wait, the RIVA S control app for Android is here. It has all of the features of the RIVA Turbo X control app, with the exception Turbo boost (because the S doesn't have that). It has a toggle for connecting two RIVA S models in stereo sound. I can't speak to how well that works, as I only have one speaker. Initially, the app wouldn't connect to my speaker. If this happens to you, don't freak out - just contact RIVA support and they'll walk you through updating your firmware to the most recent version. After updating, the application worked great.
The app is absolute garbage. Never connects with the speaker. I always have to turn on and off Bluetooth and keep messing with it until it connects (if ever). In hindsight I would buy another speaker with better app integration.
Xperia Z1 Compact [Android 5.1] RIVA 2.0 — Works fine with basic controls for power mode, surround, volume and etc. Took a few attempts to connect to the app, but got there in the end. Seemed to get stuck at the "connecting wait a few seconds" prompt. Don't give up and just restart phone and/or restart speaker and re-pair Bluetooth and it should/could work after a while. Only one connected client can use the app at a time(re multi-user mode). 😀 Also need the latest firmware on the RIVA S speaker
App doesn't recognise the phone. Even after a firmware update. Also the Bluetooth connectivity itself is faulty on the Riva S - unpairs automatically. The surround mode is the worst as it keeps on firing on and off on its own. Worst purchase ever
Never managed to get the app to connect to the speaker. Completely useless. Speaker itself is incredibly good - and does not require the app to play music over Bluetooth.
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Probably Best Free Android Music Player With Equalizer, Smart Playlist & Folder.