6 tested alternatives to FitKit. Each was assigned the same job label from a fixed vocabulary we maintain — not from how the vendor describes itself — and every one is scored on the same objective 7-Frame benchmark. Ordered by score.
Same job does not mean same platform, same country, or same price tier. Check before you switch.
BMI Calculator — Free online calculator that computes Body Mass Index from weight and height
Calckoo — Free health, fitness, and nutrition calculators built for Brunei and Southeast Asia
Cold Plunge Calc — Free calculator that recommends safe cold plunge durations based on your goals and conditions
TDEE Calculator — Free online calculator for total daily energy expenditure, BMR, and calorie targets
FFMI Calculator — Calculate your Fat-Free Mass Index to measure lean muscle relative to height
RunKcal — Free calculator that estimates kilocalories burned while running or on a treadmill
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