Fitbit Inspire 2 vs Fitbit Sense
Better figure, where one is clearly better
| FitbitInspire 2 | FitbitSense | |
|---|---|---|
| Overview | ||
| Released | September 2020 | September 2020 |
| Display | ||
| Case sizes | 37 mm | 40.48 mm |
| Panel | OLED | OLED |
| Always-on display | No | Yes |
| Display detail | Greyscale PMOLED touchscreen; no always-on mode | 1.58-inch colour AMOLED touchscreen; 336 × 336 pixels; optional always-on display |
| Screen protection | – | Corning Gorilla Glass 3 |
| Health and fitness | ||
| ECG | No | Yes |
| Blood oxygen | No | Yes |
| Skin temperature | No | Yes |
| Sleep apnoea alerts | No | No |
| High blood pressure alerts | No | No |
| Body composition | No | No |
| Fall detection | No | No |
| Crash detection | No | No |
| GPS | None | Single-band |
| Water resistance | 50 m | 50 m |
| Sensors | 3-axis accelerometer; multipath optical heart-rate tracker; vibration motor | 3-axis accelerometer; gyroscope; altimeter; built-in GPS receiver with GLONASS; multipath optical heart-rate tracker; multipurpose electrical sensors for ECG and EDA Scan; on-wrist skin-temperature sensor; ambient light sensor; microphone; speaker; vibration motor |
| Health features | 24/7 heart-rate tracking, sleep stages and sleep score; menstrual-health tracking through the Fitbit app. | ECG app and irregular heart rhythm notifications in supported regions; EDA Scan for stress response; blood-oxygen and skin-temperature trends; sleep tracking and heart-rate alerts. Availability varies by region and some insights require Premium. |
| Fitness features | More than 20 exercise types; Active Zone Minutes; connected GPS uses a paired phone; automatic activity tracking. | Built-in GPS; 20+ on-device exercise modes; Active Zone Minutes; automatic activity tracking; workout intensity maps in the Fitbit app. |
| Battery and connections | ||
| Battery life (maker's claim) | Up to 10 days | Up to 6 days |
| Mobile data option | No | No |
| Works with | iPhone and Android | iPhone and Android |
| Battery life detail | Up to 10 days; actual battery life varies with use and settings. | 6+ days; a 12-minute charge provides up to one day of use. Continuous GPS and always-on display use reduce battery life. |
| Connectivity | Bluetooth 4.0; connected GPS through a compatible phone. Phone setup and sync use the Google Health app; current phone requirements are Android 11+ or iOS 16.4+. | Bluetooth 5.0, Wi-Fi and NFC; built-in GPS and GLONASS; microphone and speaker support Bluetooth calls with a paired phone. Phone setup and sync use the Google Health app; current phone requirements are Android 11+ or iOS 16.4+. |
| Design | ||
| Software | Other | Other |
| Case materials | Plastic housing and buckle; flexible elastomer band. | Anodized aluminium housing with stainless-steel sensor ring; elastomer band. |
| Size | 37 × 16.8 × 12.9 mm; about 20 g with band. | 40.48 × 40.48 × 12.35 mm. |
| Bands | Small band fits 140–180 mm wrists; large band fits 180–220 mm wrists; compatible with an optional accessory clip. | Small band fits 140–180 mm wrists; large band fits 180–220 mm wrists. |
| Colours | Black; Lunar White; Desert Rose. | Carbon/Graphite; Lunar White/Soft Gold; Sage Grey/Silver. |

