Olio Model One vs. Fitbit Charge 2 vs. Fitbit Ionic vs. Fitbit Alta HR vs. Amazfit T-Rex
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| OlioModel OneRemove Buy Now | FitbitCharge 2Remove Buy Now | FitbitIonicRemove Buy Now | FitbitAlta HRRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $595 | $150 | $299 | $150 | $140 |
| Release | 2015 | 2016 | 2017 | 2017 | 2019 |
Activity & Fitness | |||||
| Calories | n/a | ||||
| Cycling (Bicycling) | n/a | ||||
| Distance | n/a | ||||
| Heart | n/a | ||||
| Oxygen | n/a | ||||
| Sleep | n/a | ||||
| Steps | n/a | ||||
| Swim | n/a | ||||
Battery | |||||
| Duration | 2 days | 5 days | 4+ days | 7 days | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | n/a | ||||
| NFC | n/a | ||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | 348x250 | 128 x 36 | 360 x 360 |
| Size | n/a | n/a | 1.42 | 1.4 inches | 1.3 inches |
| Touch | n/a | ||||
| Type | n/a | OLED | OLED | OLED | AMOLED |
Functions | |||||
| Audio Speaker | n/a | ||||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | n/a | ||||
| Barometer or Altimeter | n/a | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | n/a | 50m | 5 ATM | |
Notifications | |||||
| Phone | n/a | ||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Fitbit OS | Build-in | |
| Apps | n/a | ||||
| Music | |||||