Basic Info |
| Wear Type | Wristband | Ring | |
| Price | $21331 | | |
| Ratings | | | |
Activity & Fitness |
| Activity | Yes | Yes | Both track daily activity |
| Calories | Yes | Yes | Both track calories burned |
| Sleep | Yes | Yes | Both track sleep pattern |
| Heart Rate / Pulse | No | Yes | Oura Ring has the heart rate monitoring sensor |
| Distance | Yes | No | Accurate running or walking distance tracking with Fitbit Flex 2 |
| Steps | Yes | No | Fitbit Flex 2 counts your steps |
| Stairs / Floors | No | No | Both don't have elevation feature |
| Exercise Tagging | No | No | Both don't have exercise tagging |
| Smart Coach | No | No | Both don't have coaching feature |
| Goal Setting | Yes | No | Set and keep your own daily or weekly goals with Fitbit Flex 2 |
| Inactivity Alert | Yes | No | Fitbit Flex 2 helps you stay active with inactivity alert |
Additional Features |
| GPS | No | No | Both don't have built-in GPS support |
| Compass | No | No | Both don't have a compass |
| Watch / Clock | Yes | No | Only Fitbit Flex 2 has a watch |
| Alarm Clock | Yes | No | Fitbit Flex 2 has a alarm clock |
| Reminders | Yes | No | Fitbit Flex 2 has a reminder option |
| Stopwatch | No | No | Both don't have stopwatch |
| Music Playback | No | No | Both don't have music playback |
| Temperature | No | Yes | |
| Reports | Activity, Sleep | Activity, Sleep | |
Smartphone Remote Features |
| Notifications | Yes | No | If you get a phone notification, Fitbit Flex 2 make an alert for you |
| Caller ID | No | No | Both don't show caller ID notification |
| Music Control | No | No | Both don't have phone music control |
| Call Control | No | No | Both don't have call control |
| Camera Control | No | No | Both don't have camera control |
| Find Phone | No | No | Both don't have a find phone feature |
Battery |
| Duration | 5 days | 7 days | Oura Ring battery life is about 1.4 times longer |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
| Wireless Charging | No | Yes | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | Yes | Yes | |
| IP Rating | 5 ATM | 10 ATM | |
| Weight | 24 grams | n/a | |
User Interface |
| Display | LED Lights | No | |
| Display Size | n/a | | |
| Screen Resolution |
n/a
| | |
| Color Display | No | No | |
| Touch Screen | No | No | |
Compatibility |
| Android | Yes | Yes | Both compatible with Android devices |
| iOS | Yes | Yes | Both compatible iOS devices |
| OS X/Mac | No | No | Both don't compatible MAC OS X devices |
| Windows Phone | Yes | No | Fitbit Flex 2 compatibles with a range of Windows Phone devices |
| Windows | Yes | No | Fitbit Flex 2 allows you to locate your phone |
| Web Portal | No | No | Both don't have online web portal option |
| Social Features | No | No | Both don't have social features |
Connectivity |
| Bluetooth | Yes | Yes | Both have Bluetooth data transfer technology |
| Wi-Fi | No | No | Both don't have Wi-Fi connection |
| NFC | No | No | Both don't have NFC connectivity |
| ANT+ | No | No | Both don't provide ANT+ wireless technology |
| Buy on Amazon | | |
