Fitbit Aria Air
Fitbit Aria Air is a scale from 2019, sitting in the budget band at an indicative $49.
It reads 1 of the 33 signals this comparison tracks. Nothing at all from heart and vitals, sleep, activity and fitness. Rarer readings it does take: weight.
By sensor class: 1 at consumer grade. That grade is my classification of the hardware, not a lab test.
It has an LCD screen. It weighs 1769 g. No subscription is required.
Current Bluetooth scale; weight + BMI only, NO bioimpedance so no body fat.
Key specs
What it tracks
Body composition
Buying for battery life? See every device ranked by battery life
Turn a supported wearable into daily health scores
MyBodyAI reads COROS, Oura, Polar and Withings by logging in, Fitbit and Pixel Watch through Google Health, and Garmin through the Android app or a data export, then builds daily recovery, sleep, load and immune scores, a biological age estimate, and early warnings. Optional, and separate from this comparison.
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