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I'm an iOS developer (freelancer) and i want to know how much cost to build an app? and how should i do to estimate the price? like this app http://www.finalcad.fr/en/index.html

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How much does a car cost to buy? – Greg Hewgill May 16 '12 at 23:28
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How much does it cost to design and develop a new car? – Jim G. May 17 '12 at 2:19

closed as not a real question by Robert Harvey, maple_shaft♦ May 17 '12 at 1:26

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.

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Typical contractor rates are in the $75-$150 range. Other than that, it really depends on your app. Here are some common considerations:

  • How many different views/pages does your app have? Is it 4 or 5 pages that have no real interaction, or a complicated tree of resources that is ever changing? Are these pages static, or generated on the fly?
  • What level of interaction do those pages have? Is it a wall of text with 2 buttons? Does it have a scroll view that pre-loads images ala Google Maps? Does it use pre-existing functionality in iOS, or are you rendering custom OpenGL ES stuff?
  • Will you be interacting with web services? Are you just reading RSS feeds, or posting/retrieving? Syncing issues can add a lot of cost to a project just because cell coverage is intermittent by nature.
  • Will you be using custom or default graphics? If custom, how does the developer get them? Will they be pre-sliced, or a raw PSD? Did the designer customize stuff that isn't easily changed, and will this cause custom objects to need to be created?
  • What's your timeline? Is this a rush job that needs to be done by the weekend, or can this be done gradually over the next 3 months.
  • What dependencies does this project have? Will I be including images/pdf's/video that is coming from a third party? Will it be provided at the beginning of a project, or sent intermittently during? Believe it or not, this can greatly change how an app is built.

If you can nail down some of those questions, it will give us a better idea of how to answer your question. For orders of magnitude, think of it this way: App development is a game of tens of thousands, not hundreds. Very basic apps will cost north of $1000 easily, and something as complicated as the app you link to can cost >$75,000 very easily (check out this link for the example of what it cost to develop Twitterific)

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