| Apple Watch Ultra | Apple Watch Series 8 | Apple Fitness+ | Apple Smart Jump Rope | |
|---|---|---|---|---|
| Size | 49mm | 45mm or 41mm | - | S, M, L, XL |
| Display | Always-On Retina display | Always-On Retina display | - | - |
| Water Resistancy | 100m | 50m | - | - |
| Materials | Titanium | Aluminum, Stainless steel | - | - |
| Battery life | 36 hours | 18 hours | - | 6 months |
| Fast charge | Yes | Yes | - | No |
| Connectivity | GPS + Cellular | GPS or GPS + Cellular | App and Bluetooth | Bluetooth |
| Blood Oxygen app | Yes | Yes | - | - |
| ECG app | Yes | Yes | - | - |
| High and low heart rate notification | Yes | Yes | - | - |
| Irregular rhythm notification | Yes | Yes | - | - |
| Sleep stages | Yes | Yes | - | - |
| Cycle Tracking | Yes | Yes | - | - |
| Temperature sensing | Yes | Yes | - | - |
| Emergency SOS | Yes | Yes | - | - |
| Fall Detection | Yes | Yes | - | - |
| Compass Backtrack | Yes | Yes | - | - |
| Siren to attract attention | Yes, 86 decibel | No | - | - |
| Compatibility | iPhone 8 or later with iOS 16 or later | iPhone 8 or later with iOS 16 or later | iPhone 6s or later | iPhone 6s or later |
| Price | GPS + Cellular €999 | GPS €499, GPS + Cellular €619 | $9.99/month | €109.95 |