WHAT THURSDAY'S NEWS FROM APPLE PROBABLY MEANS TO YOU

1

• WHAT THURSDAY'S NEWS FROM APPLE (PROBABLY) MEANS
  TO YOU

2

• ON THURSDAY, APPLE ANNOUNCED THAT IN-APP
  PURCHASES WOULD BE EXTENDED TO FREE APPS

3

• What is StoreKit?
• What are in-app purchases?

4

• Does this new situation allow try-before-you-buy?

5

• How do you deliver binaries?
• You deliver data, you deliver service, but you
  don't deliver binaries
• All functionality built into the app
• StoreKit lets you unlock that functionality
• Data can be downloaded
• Extend Web-based services
• You cannot download additional executable
  binary components

6

• What kinds of purchases can you offer?
• Unlocking features
• Buying app-related items like hit points or
  better class of fighter plane.
• Downloading optional media from a server
• Subscriptions to restricted material, such as
  NY Times access, or MMOs.

7

• How functional must a base application be?
• Apps must be functional and usable without
  purchasing anything. BUT...
• You can sell a client app that doesn't depend on
  buying anything. Supply guest account to Apple
  for review.

8

• What about Apple's cut?
• 30 unless you don't need to use the iPhone as a
  point of sale.

9

• How will this affect the reviews situation for
  free applications?
• Wait for Apple to address this.
• Can people rate my in-app purchases?
• Wait for Apple to address this.

10

• What about Piracy?
• Each app can validate all receipts with Apple
• Be smart about how you enable functionality
  (i.e. not just NSUserDefaults)
• Receipt data sent in raw NSData format
• Convert data to base64 (CocoaDev)
• Submit to Apple

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• Receipt data encrypts a JSON String.
• "signature" "AbtAgJQlIPicxP/g4ubwT/noCER4j
  ELuGNfxfyDsiEUrdOYNcf6GqljT/qDlLCvSZUnWGG7YrAC
  LDFQRREftjNDmkgekbErdP8uI9IAN0sH6vkHx5sc/2p9hHRbG6
  AY/CDDj11gesLRe8HYGxCBaHlIMao/ZKtHr3RljUMIIDUzC
  CAjugAwIBAgIIZRSRTdlYBLUwDQYJKoZIhvcNAQEFBQAwfzELM
  AkGA1UEBhMCVVMxEzARBgNVBAoMCkFwcGxlIEluYy4xJjAkBgN
  VBAsMHUFwcGxlIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MTMwM
  QYDVQQDDCpBcHBsZSBpVHVuZXMgU3RvcmUgQ2VydGlmaWNhdGl
  vbiBBdXRob3JpdHkwHhcNMDkwNjE1MjIwNTU2WhcNMTQwNjE0M
  jIwNTU2WjBkMSMwIQYDVQQDDBpQdXJjaGFzZVJlY2VpcHRDZXJ
  0aWZpY2F0ZTEbMBkGA1UECwwSQXBwbGUgaVR1bmVzIFN0b3JlM
  RMwEQYDVQQKDApBcHBsZSBJbmMuMQswCQYDVQQGEwJVUzCBnzA
  NBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAytGMXZy3gitJ2JMKF
  ojSDynC/9yYezyn9HBXu3/3VcpWE2XhcgGKYqNBA1AewOzrK
  O774OsokTu4qymEx10ph8UTmsZewB0ESMHBEjF7FN6/HccsQUY
  C3WagrHnT12HG2Ih0OAm/ZhpWzj0HS4m813LpIyo00sewMvMNL
  2hkcCAwEAAaNyMHAwDAYDVR0TAQH/BAIwADAfBgNVHSMEGDAWg
  BQ2HejinYLSARi1MmsO10MLkVhDOjAOBgNVHQ8BAf8EBAMCB4A
  wHQYDVR0OBBYEFKmDg/IZSMUElcIFMzNo36ZXyT1MBAGCiqGS
  Ib3Y2QGBQEEAgUAMA0GCSqGSIb3DQEBBQUAA4IBAQARpJsO2Y
  3gL8gHdASkrfZHFpwINd1VcB5VF5LkVpnFz63zylA/3cGIDG91
  b/d5NIwZjkVt4Bgvd62o/mCbzCsWiNfSKTJVFK1D78BDQoSO2o
  HTuQuz1BR7xzNHxQZ90zUS6ZX9SC8N3g3A1jEtAyDhZNBCRBB
  XLwZdnBUeBsT9QLpjvTnekZcGTnU08zfCjGF3eBJEu9eP6Wgex
  K1xMSp72kEOmYbn6yTi3D4YrcYx4Q3n/57VBP2en8qXWeP5oHD
  sLTGzLRsWdoB3VxJLrF2ivL8JS8zqC0qyac452pN6xunRuzyyf
  paqzQL12BzFEe44xna2byektSbtquA5LNAAAAAA"
• "purchase-info" "ewoJIml0ZW0taWQiID0gIjMzM
  DI5MjgwNiI7Cgkib3JpZ2luYWwtdHJhbnNhY3Rpb24taWQiID0
  gIjEwMDAwMDAwMDAwNTIyOTMiOwoJInB1cmNoYXNlLWRhdGUiI
  D0gIjIwMDktMDktMDQgMTU6MzU6MjYgRXRjL0dNVCI7CgkicHJ
  vZHVjdC1pZCIgPSAiY29tLnNhZHVuLnNjYW5uZXIuZGlzY2xvc
  3VyZTIiOwoJInRyYW5zYWN0aW9uLWlkIiA9ICIxMDAwMDAwMDA
  wMDUyMjkzIjsKCSJxdWFudGl0eSIgPSAiMSI7Cgkib3JpZ2luY
  WwtcHVyY2hhc2UtZGF0ZSIgPSAiMjAwOS0wOS0wNCAxNTozNTo
  yNiBFdGMvR01UIjsKCSJiaWQiID0gImNvbS5zYWR1bi5TY2Fub
  mVyIjsKCSJidnJzIiA9ICIxLjAiOwp9"
• "pod" "100"
• "signing-status" "0"

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• POST the base 64 receipt data.
• Use sandbox.itunes.apple.com for development.
• Use buy.itunes.apple.com for production
  software
• A valid receipt always has a 0 status.
• Any number other than 0 indicates that the
  receipt is invalid.

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• "receipt""item_id""330292806",
• "original_transaction_id""1000000000052438",
  "bvrs""1.0",
• "product_id""com.sadun.scanner.disclosure2",
  
• "purchase_date""2009-09-04 192315
  Etc/GMT", "quantity""1",
• "bid""com.sadun.Scanner",
• "original_purchase_date""2009-09-04 192315
  Etc/GMT",
• "transaction_id""1000000000052438",
  "status"0

14

• Will purchases transfer to other devices?
• Purchases are good for all devices associated
  with an iTunes account.
• You can (and should) restore purchases.

15

• What about promo codes?
• Apple does not yet offer promo codes for in app
  purchases
• What about people who have already bought apps?
• They won't be happy.

16

• Can devs now charge for updates?
• You cannot charge for updates unless those
  update are unlockable items.
• No way to charge for bug fixes unless you are
  diabolical.
• Wait for Apple to change the "buy once, use and
  upgrade forever" model.

17

• Can I charge for nothing? (i.e. Donation)
• Apple must approve all in app purchases
• Apple has not clarified their position on this
• Multiples?

18

• Can I charge for nothing? (i.e. Donation)
• Apple must approve all in app purchases
• Apple has not clarified their position on this
• Multiples?

19

• What kinds of limitations should I think about?
• It isn't even a StoreKit limitation. 10MB size
  for greatest distribution potential (can be
  downloaded from devices).

20

• Who and what apps are the big winners here?
• Ad supported Apps
• Free Apps
• Apple

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