| Type | WatchOS, software version, operating system |
|---|---|
| First release | 2017 |
| Latest version | 4.3.2 |
| License | Apple Public Source License |
| Predecessor | WatchOS 3 |
| Successor | WatchOS 5 |
Sources: Wikidata (CC0) · Wikidata Q30898869
Operating systems · 1
| Operating system | Developer | First release | License |
|---|---|---|---|
| WatchOS 3 | Apple Inc. | 2016 | Apple Public Source License |
Operating systems · 1
| Operating system | Developer | First release | License |
|---|---|---|---|
| WatchOS 5 | — | 2018 | Apple Public Source License |