Dark Corners iOS Assinaturas renováveis ​​automaticamente

Mais e mais aplicativos estão mudando para um sistema de monetização de assinaturas. Planejando usar o sistema de assinatura em seu aplicativo? Então para você aqui.

Mobius 2019 Moscow Auto-renewable Subscriptions iOS , .

— Mobius 2019 Moscow.

iOS- Mamba. 15 : macOS, Windows, Android, Bada, Tizen Smart TV.

— .

, iOS- , .

• , .
• .
• , — .
• « » , , , AppStore.
• « Boost» « » , , .

. .
— , .
— 15% , , 12 , 60 .
— , .

— . - , - , . , , .

: . iOS, Android . , , Android- . , . , . . , . . . , , , , , , . , .

4 , , «». , .

, . , , Apple, , StoreKit, Apple . , . , , , . Apple , Receipt (). Receipt — , - .

, .

-, iOS 7, , Bundle , iOS, . , . -, , , - PKCS#7. payload, , , JSON XML, ANS.1. Receipt , — . . Receipt , , . Receipt AppleId . StoreKit, Receipt .

Apple Receipt, Receipt. .

, , Receipt , , (). — .

.

Receipt , OpenSSL GUID_hash Receipt_hash. GUID_hash Receipt_hash Apple. Receipt ANS.1 . ANS.1 (ans1). , , Objective-C . , GUIDE_hash Receipt_hash, . , Receipt . latest_receipt_info , expires_date. , .

, , . , , . , , .

, , Receipt . , Receipt-, .

Receipt. , . if else , return . .
(exp.date), , , .

.

.

, , , . . — - . — -, .

All in App

, . -, , , NSDefaults. -, , verify, , . -, Jailbreak. , , . Jailbreak, . , , , , , . , , Jailbreak-, , . - , - , , time server’.

, C, Objective-C, , , OpenSSL, . , , , .

— App unlock, API verify

“App unlock, API verify” , , Apple. — API. , , Receipt Apple, JSON. , , .

, , verify . - , Receipt.

- «Man in the middle». «SSL Pinning». SSL . Receipt Apple, .

-, .

, . API, Node.js. Receipt. , . — , , , -, -, .

— All in API

“All in API”, , -, expiration date API.

API, , Receipt, , Receipt, Expiration date , polling’.

. , , . Receipt, Receipt API, . Receipt , . API , , . polling’. polling , API , - Receipt, , Apple. Apple Receipt . Receipt , , .

iOS- . - , . — polling , Receipt- . , . : , , . , , , - , - , , , , , - .

, polling server-to-server notifications. , Apple . , .

Notifications

Notifications callback- URL, iTunes. , , App Transport Security. , SSL-, , Apple. . , SSL . . Notifications Shared Secret, iTunes «password». , , Notification. 2019 Notification «unified_receipt», Receipt. Notification . 2019 unified_receipt. Notifications original_transaction_id, .

Notifications , . 9 , 9 . , , GitHub . — INITIAL_BUY, , . DID_FAIL_TO_RENEW — , , . , , DID_RECOVER, , . RENEWAL, , DID_RECOVER, , , RENEWAL — DID_RECOVER. , WWDC 19, 2020 , RENEWAL . CANCEL : , , Apple Care.

, . DID_CHANGE_RENEWAL_STATUS. , . , , Notification, . Notification — DID_CHANGE_RENEWAL_PREF, , , . INTERACTIVE_RENEWAL , , , , iTunes . Notification, , , . , 2019 , PRICE_INCREASE_CONSENT, , .

— Notification , . polling. WWDC Apple , , . — . Notification 100% . 4 , . polling. polling , , . , .

. , , , .

?

, , .

: c , , .
, , -, , -, . , , , - . , API OpenSSL, , . , , , , .

, Apple, , . , . , Receipt Apple. - , , .

, API . - , , , . , .

, .. , . , , Notification, - , .

, , .

, , . , , , , . , , , - , .

. , , 6 A4, . .

, , , , , . . -, , , .. . — , . — , . , , . , , .

. — , . , , purchase, , , . — , . , , finished.

. — , . — , , - . , , . , , , , , .

. , . expiration date — , . , - , , . , - , , , , StoreKit. , . , . . , - , , . , 6 , . , , , , , , , , . , - . , . , , - .

, . , . -, « », , dark pattern , . , , , «». — . , , . , - , «». — . , , , , , , .

. , , «Weather Alarms», WWDC.

3 . — «», , . -, , UIScrollView , . — , 80$ , . «» , - , .

— «Translate Assistant», «Google Translate».

«», , . . , , .

— . «QR Code Reader» — , , «» , , .

37:36:

. «Fitness balance», , , . .

37:58:

, , , 99$ “”. , consumable In-App, 100 .

, 2018 TechCrunch. , , , . , , , Apple , . - , , -, , review, , AppStore. , - , .. . - Apple developer , , . , - , Apple .
Boost

, , .

— Grace period.

Grace period — , , . WWDC , 7 Grace period 16% . Grace period iOS , , . , iTunes , , .

— promotion AppStore. AppStore , , .

— , Introductory Offers, 2018 , . , iTunes . .

, , , Subscription Offers. 10 , , . — , . -, .

A/B , , .

iOS 13 StoreKit , AppleId — - .
— Subscription Multiple Apps, , , .

: ?

. , , , , , notification. — notification-. - , , , , , notification-, . , , .

StoreKit, , Receipt URL Apple, , . , URL. . - , : - , , Apple Sandbox , ,

, «App unlock, API verify», Apple, . , , , .

— . , , , , , , .
. notification-, , , . , , , . Notifications - , , . : , , .

WWDC, :

Auto-renewable Subscriptions

Engineering Subscriptions

Advanced StoreKit

In-App Purchases and Using Server-to-Server Notifications

Best Practices and What’s New with In-App Purchases

server-to-server notification. notification, , , notification, , . Notification, .

-. Mobius 22 25 -! .