RSSRadio 3.1 is available on the App Store, this brings a much requested feature - a dark theme!

Also in the last 2 releases:

3.1

Fixed a volume fluctuation issue with the volume booster
Previously downloaded files put back by iTunes file sharing will be recognised
Fixed an issue where if you blanked the name of a category with subscriptions in it chaos would ensue (!)
The green progress icon shows fully filled for listened shows
iPhone: You can switch between light and dark UI
Fixed editing a subscription title, it will stick now

3.0.3

Fixed an artwork caching issue
Fixed download re-ordering
Added a filter for “add show” - “new shows”
For users exporting using iTunes file sharing, a CSV index file is now written out
Chapters with no album art show the episode album art