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# Product.SubscriptionPeriod.Unit

Units of time that describe subscription periods.

```
enum Unit
```

## Topics

### Getting the subscription period units

[`Product.SubscriptionPeriod.Unit.day`](/documentation/StoreKit/Product/SubscriptionPeriod/Unit-swift.enum/day)

A subscription period unit of a day.

[`Product.SubscriptionPeriod.Unit.month`](/documentation/StoreKit/Product/SubscriptionPeriod/Unit-swift.enum/month)

A subscription period unit of a month.

[`Product.SubscriptionPeriod.Unit.week`](/documentation/StoreKit/Product/SubscriptionPeriod/Unit-swift.enum/week)

A subscription period unit of a week.

[`Product.SubscriptionPeriod.Unit.year`](/documentation/StoreKit/Product/SubscriptionPeriod/Unit-swift.enum/year)

A subscription period unit of a year.

### Getting localized and debug descriptions

[`localizedDescription`](/documentation/StoreKit/Product/SubscriptionPeriod/Unit-swift.enum/localizedDescription)

The localized text that describes the subscription period unit.

### Getting the formatted description

[`formatted(_:)`](/documentation/StoreKit/Product/SubscriptionPeriod/Unit-swift.enum/formatted(_:))

[`Product.SubscriptionPeriod.Unit.FormatStyle`](/documentation/StoreKit/Product/SubscriptionPeriod/Unit-swift.enum/FormatStyle)


---

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