got confirmation from the google developers, the check for a paid app
cannot be done from inside of any other app, even if it is from the
same publisher signed with the same key. So, that is that I guess.

On Dec 6 2011, 12:21 pm, Kevin TeslaCoil Software
<[email protected]> wrote:
> Recently there was a discussion on reddit.com/r/Android about a new
> app being unlocked by in-app-purchase. Users were wishing for an
> unlock key app or pro version. IIRC their reasons were:
> 1) Permissions could be less on a pro version (no ads)
> 2) Fear/uncertainty about if the license would carry over between apps
> on in-app-billing. Since in-app-purchases are implemented differently
> by different devs, it's inconsistent.
>
> Might be able to get around (2) if it's clearly explained, but it's
> understandable how users might associate in-app-purchase with
> temporarily items from games or whatever, compared to app-purchases
> which are clearly permanent.
>
> On Dec 6, 8:41 am, Emanuel Moecklin <[email protected]> wrote:
>
>
>
>
>
>
>
> > I agree with Nikolay.
> > The paid section is certainly less frequented than the free section
> > and unlocker apps are confusing. You'll have people complaining that
> > they paid for an app but didn't get any because they don't realize
> > they'd have to download the "free" app too.
> > Why not just have a paid, full version of your app additionally to the
> > free app which can be upgraded through in-app billing?
> > If you want more discoveries add a live wallpaper or a home screen
> > widget to your app -> the app will be listed in the according
> > categories as well ;-).
>
> > On Dec 6, 7:53 am,androidmediadeveloper<[email protected]>
> > wrote:
>
> > > we're also using inapp billing, and it does work. however, the app is
> > > listed only on the "free" section of the market. we want it listed
> > > under "paid" as well, more discovery. Are there easier ways to do this
> > > than using an unlocker ?
>
> > > On Dec 5, 8:29 pm, Emanuel Moecklin <[email protected]> wrote:
>
> > > > Why not use in-appbilling to unlock the features in yourfreeapp?
> > > > That way user's don't have to install a secondappthat does nothing
> > > > but unlock features in anotherapp.
> > > > I'm doing this in my own apps and it works nicely.
>
> > > > Emanuel Moecklin
> > > > 1gravity LLC
>
> > > > On Dec 5, 9:54 am,androidmediadeveloper<[email protected]>
> > > > wrote:
>
> > > > > I have aFreeappwith pro features "locked". I also have a paidapp
> > > > > that is basically a stub, an "unlocker". My question is this, can I
> > > > > run theLVLcheckto see if user has purchased the unlocker/stubapp
> > > > > from inside of myfreeapp? It'd be great if this were possible, but
> > > > > from my experiments until now, isnt the case.
>
> > > > > Any advice ? thoughts ?
>
> > > > > Thanks!

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