App Store update, IAP no longer works

[ddaddy]

Has anyone else had an updated app suddenly stop awarding IAP's?

I've update my app many times, and this last update absolutely nothing was changed regarding IAP's and yet when the App Store update was released, no IAP's are awarded. Neither 'Restore Purchases' nor buying awards the IAP.

I've tested the previous build, and it works fine. I've gone through my commits with a fine tooth comb, and nothing should affect this.

I can't properly debug the App Store version because iOS 9 and Xcode 7 have since been released and everything seems to work flawlessly when running and debugging my code from Xcode.

Looking at the device console, I left in an NSLog that lists the purchasedProductIdentifiers and I can see my IAP is listed.

The only point I can see an issue, is if calling the RMStoreKeychainPersistence too many times in quick succession with [_persistence purchasedProductIdentifiers] could cause the issue?

I really don't know whether uploading a new build that works from Xcode is going to have the same problem once released onto the App Store.

Anyone else had similar experiences?

[georgbachmann]

I had the same problem. I was not using RMStoreKeychainPersistence but only receipt verification...
We had one or two customers complaining about lost IAPs in the past after each update, but after the last update there were hundreds of customers complaining. It seems as if my app receipt wasn't there any more or maybe it was not valid any more... I don't know since I didn't have logging for that.

Does anybody know if there is any way how this can be debugged?

For the future I will not use receipt verification any more as it 1. can't be testen and 2. seems to be very unreliable...

[ddaddy]

That sounds very similar. I had a couple of users complain and just brushed it off as user error, then another update later and everyone (Even me) has the same problem.
I guess all I can do I submit a new build and hope for the best.

[georgbachmann]

Do you know the reason in your case? Was the receipt missing? Or was it invalid?

[georgbachmann]

I'll going to make an update and would like to refresh the receipt for users with the problem... but the question is: "How to detect those users"...?!?

[ddaddy]

No idea. I don't use receipt validation at all. Just used RMStoreKeychainPersistence which seems to still report that it's been purchased.
I wonder if there's an issue with calling it too frequently or too early

[ddaddy]

I pushed an update to the App Store and got an expedited review, and all is working again!
That was very very strange.

[matthieurouif]

It seem we have the same problem. Any more info on this?

[georgbachmann]

It seems as if receipt validation fails.... I did an expedit review and just ignored the validation (i know that's bad... but as it's hard to test it was the only way we saw) and just checked for the IAP identifier.
And now I am saving the information if PRO user or not in the KeyChain

[ddaddy]

@matthieurouiff were you using receipt validation?
I'm wondering if it's more a general App Store problem with an update as I didn't change anything but my next update worked.

[matthieurouif]

Thanks. I don't think we don't do receipt validation but I am checking this right now. Same as you, we didn't change anything on the in-app side on our last release

[georgbachmann]

I also didn't change anything in my IAP code... So I guess it was an update problem from the store... But as it's just impossible to test the exact reason we were just not brave enough to just resubmit :) we collected quite a few 1star reviews and therefore wanted to solve the problem as quick as possible :)

[matthieurouif]

@georgbachmann have you made an update already?

[georgbachmann]

@matthieurouif yes... expedit review... was through in about 2h or so... after the update the problem was gone...

[ddaddy]

I was able to recreate my issue by exporting the previous build from Xcode for adhoc, the. Using Xcode to install it on my device.
I did the same with a new build and it worked so I was confident with the submission.

[ddaddy]

Something I've noticed since my update that fixed the IAP. I regularly have to restore purchases. Like maybe once every couple of days.
It's as if the keychain store is randomly broken.