App forms part of the Irish brewer's 250th birthday celebrations.
GoMo News reports on the app, which appears to be US-only (it's not listed on the UK app store at least).
The Guinness Pub Finder ($1.99) is part of the company's 250th anniversary marketing campaign and taps into the iPhone's GPS capabilities to recommend the nearest watering holes for the user.
It also comes with a guide on pulling a pint of the black stuff and a 'perfect pint' ruler.
There are a few professional bar staff who might find this app useful too, then.
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