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iOS isEligibleForIntroOfferIOS

Check introductory offer eligibility for a subscription group (iOS 15+, macOS 14+).

Wraps Product.SubscriptionInfo.isEligibleForIntroOffer(for:) — checks subscription-group level eligibility. See the Apple StoreKit reference.

Signature

swift

func isEligibleForIntroOfferIOS(groupID: String) async throws -> Bool

Kotlin example

suspend fun isEligibleForIntroOfferIOS(groupID: String): Boolean

TypeScript example

isEligibleForIntroOfferIOS(groupId: string): Promise<boolean>

Dart example

dart

Future<bool> isEligibleForIntroOfferIOS(String groupID);

C# (MAUI) example

Task<bool> IsEligibleForIntroOfferIOSAsync(string groupId);

GDScript example

func is_eligible_for_intro_offer_ios(group_id: String) -> Variant

Parameters#

groupId (required, string) — Non-empty subscription group identifier. Empty or whitespace-only values fail closed and return false. (Native Swift / Kotlin signatures spell it groupID; the JavaScript / Dart wrappers expose it as groupId.)

Returns#

Promise<boolean> — true if the user is eligible for the group's introductory offer.

Example