| key specs |
| Strap Colour | Carbon, Lunar White | Black |
| Compatible OS | Android, iOS | Android, iOS |
| Dial Shape | Square | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | - |
| general |
| Brand | Fitbit | Ticwatch |
| Model | Sense | TicWatch Pro S |
| Release date | August 25, 2020 | March 9, 2021 |
| Model Name | Sense | TicWatch Pro S |
| Dial Shape | Square | Round |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | IP68 |
| Water Resistance Depth | 50 meters | - |
| Ideal For | Unisex | - |
| Strap Colour | Carbon, Lunar White | Black |
| Interchangeable Strap | - | Yes |
| Dial Colour | - | Black |
| product details |
| Sensor | Multi-path optical heart rate sensor, Multipurpose electrical sensors compatible with EDA Scan app, Gyroscope, Altimeter, 3-axis accelerometer, Skin temperature sensor, Ambient light sensor | accelerometer, gyro, magnetic sensor, PPG heart rate sensor, ambient light sensor, low latency off-body sensor, VO2 Max |
| Compatible Device | Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later | Android, iOS |
| Battery Type | Lithium-polymer | - |
| Battery Life | Around 6 days | 2 days |
| Notification | - | Yes |
| Rechargeable Battery | - | Yes |
| Other Features | - | 2 to 5 days in Smart mode, up to 30 days in Essential mode |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5 | 4.2 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC | NFC, Wi-Fi |
| Third Party App Support | - | Yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | Android, iOS |
| Operating System | - | Wear OS |
| RAM | - | 1GB |
| Internal Memory | - | 4GB |
| camera and display features |
| Display Type | AMOLED | AMOLED |
| Display Resolution | - | 400x400 |
| Scratch Resistant | - | Corning Gorilla Glass 3 |
| Other Display Features | - | LDC dispay on top of AMOLED display |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Compass | - | Yes |
| Number of Buttons | - | 2 |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | - |