I recently purchased the Retro Recorder and I am really amazed by this little app. The ALX feature which basically enriches, softly compresses and vitalizes the recorded audio signal is simply awesome, very natural but gives you "that" processed broadcasting sound. You can clearly hear the experience which McDSP gathered over the years and put it into that little app. I really can recommend the Retro Recorder since it turns your iPhone not just into "another" audio recorder. Furthermore, a really cool feature is to export the processed (with ALX) or unprocessed signal and be able to access your recorded tapes via webbrowser from e.g. your desktop computer and download the files as .wav format. If you are really looking for a professional audio recording application for your iPhone I can really recommend checking out that great app. Keep on rocking, McDSP! :)