Moconews has an interesting article about the challenges of multi-platform mobile development (iPhone, Android, Java, Blackberry, Symbian, Windows Mobile, etc) today.
The trade-off between delivering an amazing user experience to 2-3% of mobile subscribers (e.g. iPhone and Android) or a mass market application for a wide range of devices (50% or more) is a difficult one for everyone. Our general experience is that Java applications delivered across Symbian, Blackberry, Windows Mobile and proprietary operating systems get up to 10x as many downloads as an iPhone app but achieving a similar user experience is very time consuming and costly.
The average cost of an advanced iPhone or Android game/app is in the region 25-50k euro depending on complexity whereas as a mass market app/game with 80% phone penetration (across multiple platforms) is about 200.000-400.000 euro when fully optimized across the devices.
So what about automatic porting services then? There are several companies that claim that they can deliver cross-platform porting at costs starting around 10.000-20.000 USD. Our experience however is that the tweaking and optimisation to make the ported application to look and work nicely on the individual platforms make the cost almost as high as doing proprietary development.
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