HealthKit Types Introduced in iOS 27
3 of 241 identifiers · read from Apple’s documentation on 2026-10-02
Apple's documentation, as read on 2026-10-02, gives iOS 27.0 as the introduction version for 3 of the 241 HealthKit type identifiers in this dataset: 2 category types and 1 quantity type. They sit in 2 of Apple's topic groups, the largest being Reproductive Health with 2. None is deprecated. 1 identifier is listed with no abstract: heartRateVariabilityRMSSD.
iOS 27 by family and group
All 3 were introduced in iOS 27.0. The version is Apple’s iOS availability for each identifier; other platforms carry their own.
| Family | Identifiers |
|---|---|
| category types | 2 |
| quantity type | 1 |
| Group page | Identifiers |
|---|---|
| Reproductive health | 2 |
| Vital signs | 1 |
| Apple group | Identifiers |
|---|---|
| Reproductive Health | 2 |
| Type Properties | 1 |
Of the 1 quantity type, Apple’s prose describes 0 as cumulative and 0 as discrete, and states no aggregation style for 1. Unit families: not stated (1).
Deprecated, beta and undocumented in iOS 27
- Deprecated: none of the 3.
- Beta: none, as of 2026-10-02.
- No abstract and no discussion: heartRateVariabilityRMSSD.
Every deprecated, beta and undocumented identifier across all releases is on HealthKit deprecated and beta types.
Every identifier introduced in iOS 27
Sorted by family, then name. Each name links to its row on its group page, where the Android equivalent and read-only flag sit beside it.
| Identifier | Family | Group | Apple’s abstract | Aggregate | Unit | iOS |
|---|---|---|---|---|---|---|
| heartRateVariabilityRMSSDHKQuantityTypeIdentifierHeartRateVariabilityRMSSD | quantity type | Vital signsApple: Type Properties | no abstract | not stated | not stated | 27.0undocumented |
| bleedingAfterMenopauseHKCategoryTypeIdentifierBleedingAfterMenopause | category type | Reproductive healthApple: Reproductive Health | An identifier for samples that record bleeding after menopause. | enum — unresolved | — | 27.0 |
| menopausalStateHKCategoryTypeIdentifierMenopausalState | category type | Reproductive healthApple: Reproductive Health | An identifier for samples that record a person’s menopausal state. | enum — HKCategoryValueMenopausalState | — | 27.0 |
Questions
Which HealthKit identifiers did iOS 27 introduce?
3, according to Apple's documentation as read on 2026-10-02: 2 category types and 1 quantity type. They are heartRateVariabilityRMSSD, bleedingAfterMenopause and menopausalState.
Are any of the HealthKit types from iOS 27 deprecated or undocumented?
None of the 3 is deprecated in Apple's availability data. 1 is listed with no abstract and no discussion: heartRateVariabilityRMSSD.
Do HealthKit's iOS 27 quantity types sum or average?
iOS 27 introduced one quantity type, heartRateVariabilityRMSSD, and Apple's prose states no aggregation style for it, so this dataset leaves it null.
Which Apple topic groups hold the HealthKit types from iOS 27?
Reproductive Health (2) and Type Properties (1). Every one of the 3 was introduced in iOS 27.0.
iOS 26 introduced 1 identifier (26.2), under the 3 a release needs for a page of its own, so it is listed only on the full table.
Computed by AIFitnessAPI from Apple’s published documentation, read 2026-10-02. Every release on one page is at HealthKit Types by iOS Version; the whole set with value enums is at every HealthKit type identifier, and the machine-readable export is on datasets.