Fitbit Inspire 2 vs Fitbit Inspire 3
Better figure, where one is clearly better
| FitbitInspire 2 | FitbitInspire 3 | |
|---|---|---|
| Overview | ||
| Released | September 2020 | September 2022 |
| Display | ||
| Case sizes | 37 mm | 39.32 mm |
| Panel | OLED | OLED |
| Always-on display | No | Yes |
| Display detail | Greyscale PMOLED touchscreen; no always-on mode | Colour AMOLED touchscreen; always-on option |
| Screen protection | – | Corning Gorilla Glass 3 |
| Health and fitness | ||
| ECG | No | No |
| 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 | None |
| Water resistance | 50 m | 50 m |
| Sensors | 3-axis accelerometer; multipath optical heart-rate tracker; vibration motor | Optical heart-rate sensor; 3-axis accelerometer; red and infrared SpO2 sensors; ambient light sensor; device temperature sensor for skin temperature variation; vibration motor |
| Health features | 24/7 heart-rate tracking, sleep stages and sleep score; menstrual-health tracking through the Fitbit app. | Sleep stages and Sleep Score, stress management, heart-rate alerts, SpO2 and skin temperature variation. Some detailed insights and features require Fitbit Premium; availability varies by country. |
| Fitness features | More than 20 exercise types; Active Zone Minutes; connected GPS uses a paired phone; automatic activity tracking. | Activity tracking, Active Zone Minutes, more than 20 exercise modes and connected GPS using a paired phone; no built-in GPS. |
| Battery and connections | ||
| Battery life (maker's claim) | Up to 10 days | Up to 10 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. | Up to 10 days; a full 0–100% charge takes up to 2 hours. Battery life varies with use and settings. |
| Charging | – | Included charging cable; full 0–100% charge in about 2 hours. |
| 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 and connected GPS using a paired phone; compatible with Android 11 or newer and iOS 16.4 or newer using the Google Health app. |
| Storage | – | Saves 7 days of detailed motion data minute by minute and daily totals for 30 days; heart-rate data at 1-second intervals during exercise and 5-second intervals at other times. |
| Design | ||
| Weight (lightest version) | – | 17.69 g |
| Software | Other | Other |
| Case materials | Plastic housing and buckle; flexible elastomer band. | Silicone band with plastic buckle and tang; Corning Gorilla Glass 3 display cover; water resistant to 5 ATM. |
| Size | 37 × 16.8 × 12.9 mm; about 20 g with band. | 39.32 × 18.6 × 11.75 mm; 17.69 g including band. |
| Bands | Small band fits 140–180 mm wrists; large band fits 180–220 mm wrists; compatible with an optional accessory clip. | Small and large silicone bands included; small fits 130–190 mm wrists and large fits 160–220 mm. |
| Colours | Black; Lunar White; Desert Rose. | Midnight Zen; Lilac Bliss; Morning Glow. |
| In the box | – | Fitbit Inspire 3; small and large classic wristbands; charging cable. |
