Aspirka is a great budget high-performance low-cost fitness tracker known for reliability. The device is IP68 waterproof and auto-tuned for round-the-clock activity tracking, sleep monitoring, distance walking, calories burned, and workouts. It is equipped with a camera, multiple sports modes, a GPS, and an in-built charger, and is Bluetooth, iOS, and Android compatible.
Pros:
Great budget fitness tracker
SMS and call notification
IP68 waterproof
Very reliable
Cons:
Step counting may be a cause for concern