According to the documentation, if you implemented the licensing
correctly, it will not allow installation on multiple devices for the
same license. (Check out the "device identifier" section here:
http://developer.android.com/guide/publishing/licensing.html)

Is there documentation or information elsewhere that contradicts this?

-Jim

On Sep 1, 2:57 pm, Kevin Tambascio <[email protected]> wrote:
> Hi,
>
> As my app has evolved, it has appealed more to business owners who
> want to purchase the app for their employees.  According to the
> Android market statistics, yesterday I had a one day spike in the
> number of active installs, that that amounted to 10x my normal
> volume.  Normally I sell around 5 per day, but yesterday the active
> installs bumped up by about 55.  I know I did not sell 50+ licenses in
> one day per my merchant account.  My fear is that a company bought one
> copy of my app, and since they used the same email address on those
> other devices, were able to download and use it on 50 devices.  I have
> no problem in letting each person use my app on a few devices, but 50
> crosses the line for me.
>
> Has anyone found any successful strategies to limit the app to just a
> few devices (say a license that lets you install it on 3 or 5
> devices)?  I would imagine that you'd have to extend the licensing
> system along with your own server to validate the number of devices,
> but I don't think users would appreciate my app "calling home" when
> started.
>
> Thoughts?
>
> -Kevin

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