Product Price Heart Rate Monitor Step Counter Calories Burned Sleep Tracking Activity Tracking Battery Life (hours) Waterproof Rating
Samsung Galaxy Fit3
US
£52.11 Yes (steps) Yes (calories burned) Over 100 workouts, automatic workout detection, daily activity (steps, activity time) Up to 13 days IP68 / 5 ATM

The Samsung Galaxy Fit3 is a lightweight fitness band with a 1.6 in AMOLED display, optical heart rate sensor, sleep tracking, SpO2, and support for 100+ workouts. It offers long battery life up to 13 days and is suited for Android users seeking an affordable, everyday activity tracker.

Amazfit Bip 6
US
£59.56 Yes (step counting supported) Yes (calorie tracking supported) 140+ workout modes (tracks heart rate, steps, calories, pace) Up to 14 days (typical use) 5 ATM

The Amazfit Bip 6 is an everyday smartwatch with a 1.97 in AMOLED, BioTracker heart-rate sensor, built-in GPS, and 140+ workout modes. It offers multi-day battery life and 5 ATM water resistance, suited for users who want a full-featured fitness watch at an affordable price.

Huawei Watch Fit 4
US
£110.95 Yes, step count Yes, calories burned metric during activity 100+ workout modes, activity and route tracking with dual-band GNSS Up to 10 days (typical 7 days) 5 ATM (50 m swim)

Lightweight fitness watch with continuous heart-rate and SpO2 monitoring, dual-band GPS, offline maps, extensive activity modes and up to 10 days battery life. Suited for active users who want strong fitness and sleep tracking in a slim, long‑lasting wearable.

Fitbit Charge 6
US
£119.10 24/7 step counting tracks calories burned (active and total) 40+ exercise modes, auto activity detection, built-in GPS up to 7 days water resistant up to 50m

The Fitbit Charge 6 is a slim fitness tracker with continuous heart-rate monitoring (including ECG), built-in GPS, 40+ exercise modes, and advanced sleep tracking. It suits users who want accurate health and activity tracking in a compact, lower-cost device.

Amazfit Active 3 Premium
US
£126.57 Yes (step counting) Yes (calorie tracking) 170+ sport modes including running, cycling, swimming, strength training Up to 12 days (typical use) 5 ATM

Amazfit Active 3 Premium is a 45mm fitness-focused smartwatch with an AMOLED sapphire display, built-in GPS with offline maps, advanced running metrics and extensive health monitoring. It suits new and entry-level runners and casual users who want long battery life and comprehensive tracking at an affordable price.

Garmin Forerunner 55
US
£131.04 Yes (step counter) Yes (calories burned including basal + activity) Running, cycling, swimming, walking, general cardio, yoga, and other activity profiles (step count, intensity minutes) Up to 2 weeks in smartwatch mode; up to 20 hours in GPS mode Water-resistant to 50 m

The Garmin Forerunner 55 is a lightweight GPS running watch with wrist-based heart rate, daily activity and sleep tracking, guided workouts and up to two weeks battery in smartwatch mode. It suits runners and fitness users who want accurate basic training metrics without advanced mapping or multisport pro features.

Whoop Whoop 5.0 (membership required)
US
£148.18 Steps tracking available Calories burned estimation available 24/7 activity and strain tracking with workout load and VO2 max 14+ days

Whoop 5.0 is a membership-linked wearable focused on continuous heart-rate, sleep, recovery, and strain monitoring with 14+ day battery life and advanced health insights. It suits athletes and users who want detailed sleep and recovery analytics rather than a traditional smartwatch display.