On Apr 10, 2011, at 16:45, Todd Heberlein wrote:

> On Apr 10, 2011, at 4:32 PM, davel...@mac.com wrote:
> 
>> And you also have add code to verify a valid receipt. There's a few samples 
>> of how to do this on github (you should modify them to make the app more 
>> difficult to crack unless you're giving the app away for free). Apple has 
>> more about this that you can read once you join the developer program.
> 
> Validating the receipt is optional.
> 
> Having recently gone through this with my first application, I generally 
> would not recommend it for version 1.0 of someone's first app (unless it is a 
> very expensive app). It is surprisingly complex and poorly documented, and 
> there are too many other things to worry about when getting your first app 
> through the approval process.
> 
> If you want copy protection (which is what receipt validation in about), I 
> would leave it until the first update to your application or the second app 
> you submit.

Don't forget that verifying the receipt doesn't get you much. A user can still 
install an unlimited number of copies on any Macs he wants. He just has to 
enter his iTunes Apple ID and password, that's it. I didn't think it was worth 
the effort for my first app.

-Laurent.
-- 
Laurent Daudelin
AIM/iChat/Skype:LaurentDaudelin                                 
http://www.nemesys-soft.com/
Logiciels Nemesys Software                                      
laur...@nemesys-soft.com

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