Fitbit Flex 2 vs. Fitbit One vs. Apple Watch vs. Diesel On Full Guard 2.5 vs. Apple SE (2022)
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| FitbitFlex 2Remove Buy Now | FitbitOneRemove Buy Now | AppleWatchRemove Buy Now | DieselOn Full Guard 2.5Remove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $100 | $349 | $325 | $249 |
| Release | 2016 | 2012 | 2015 | 2018 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 10-14 days | 18 hours | 4 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | 368 x 448 pixels | |||
| Resolution | n/a | n/a | 340 x 272 or 390 x 312 | 454x454 | 40mm |
| Size | n/a | n/a | 1.5 inches or 1.65 inches | 1.39 inches | |
| Touch | n/a | LTPO OLED Retina | |||
| Type | LED | OLED | AMOLED | ||
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | 5 ATM | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | Splast Resistant | IPX7 | 3 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | WatchOS 8.1 | ||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Watch OS | Wear OS | |
| Apps | |||||
| Music | |||||