Android grabbed top spot from Apple, with a 28 percent share; 26 percent of respondents said they use an iPhone; and BlackBerry came third with 14 percent of votes.
Other mobile companies were left trailing: 6 percent voted for Symbian and a mere 5 percent named Windows Phone 7 as their platform of choice.
The survey polled 2,000 British adults and was conducted for banking provider Intelligent Environments.
Predictions concerning the mobile OS wars are commonplace. A recent poll foretold that Microsoft's Windows Phone platform would overtake the iPhone - but not until 2015.