Try to listen to the new season of Fortunately, a podcast from the BBC, and you’ll be told you can’t.

It’s a show that BBC produces which never makes it on the radio. Instead, it follows the same genre as many podcasts do: two friends chatting over a coffee with a special guest. The “friends” in this case are Fi Glover and Jane Garvey, two broadcasters who share the same kind of humour; the podcast itself is recorded in the coffee shop in the “BBC Piazza”, the public space outside the BBC’s gleaming Broadcasting House in central London.

Last year, the BBC launched a new smartphone app. Called BBC Sounds, it contains bespoke content like this, as well as radio shows (on-demand and live), and some music mixes. Mistakenly, the app was launched before it had reached feature parity with i ...