I get your point! Thanks!
You're checking a trial/free license and not a paid license.
And when they change phones, you don't lock them out of your app if
they don't buy it again. Instead, you give them again another trial-
period.
Let me get this straight :)
- Users download your free app.
It checks the license, using IMEI, and this gives them a 30-days
trial amount.
- When the license says that trial has expired:
- They don't get your paid version. And that's it. If they
move to a new phone, they get another trial! This is nice for the
customers.
Since customers don't change phones every month, it's not bad for
the
developer either.
- They do get your paid version. If they move to new phone
they may as well download your paid app again, since they already
paid for it.
On Feb 26, 1:57 pm, Bob Kerns <r...@acm.org> wrote:
> I think in this situation, the IMEI is a better choice for identifying
> when a trial has expired. You'd like to let them try your app on their
> new fancy faster phone with the bigger screen!
>
> The ANDROID_ID is a better choice (if it really is tied to the account
> and not the phone?) if you're checking a paid license. But is there
> value in doing that? It would seem to simply duplicate the fact that
> they'd done the purchase in the market, and not provide any additional
> security.
>
> The IMEI approach works even for phones with no Market access, if
> you're looking to sell your app via other channels. Does the
> ANDROID_ID exist on devices even when there's no Marketplace?
>
> On Feb 26, 7:13 am, Streets Of Boston <flyingdutc...@gmail.com> wrote:
>
>
>
> > Thanks for the info! Especially the bit about the re-trial is
> > interesting.
>
> > But i have one question:
> > You use the IMEI number. What if the user gets a new phone?
> > Aren't app downloads tied to a user's Google Checkout account. If the
> > user gets a new phone, uses the same Google Checkout account, he/she
> > has to buy your app again. Shouldn't you use the 'ANDROID_ID' instead?-
> > Hide quoted text -
>
> - Show quoted text -
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