Withings
Withings Body Smart
$129.95
Released 2023-04
Best Smart Scales · head-to-head
Withings Body Smart vs Fitbit Aria Air
A sourced, side-by-side comparison. Fitbit Aria Air is cheaper at $49.95. Every spec and price links to its source.
Fitbit (Google)
Fitbit Aria Air
$49.95Cheaper
Released 2019-10
Which is better: the Withings Body Smart or Fitbit Aria Air?
The Fitbit Aria Air wins 1 of the 1 specs we compare head to head; the other wins 0. The Fitbit Aria Air is the cheaper at $49.95. The Fitbit Aria Air both leads on specs and costs less — the straightforward pick.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Withings Body Smart | Fitbit Aria Air |
|---|---|---|
| US price | $129.95 MSRP, official Withings US store | $49.95 |
| Brand | Withings | Fitbit (Google) |
| Released | 2023-04 | 2019-10 |
| Metrics count | 10 | 2 |
| Max weight (lb) | 440 | 400 |
| Wi-Fi | Yes | No |
| Bluetooth | Yes | Yes |
| Multi user | Yes | Yes |
| Athlete mode | Yes | No |
| App ecosystem | Withings Health Mate; works with 100+ apps incl. Apple Health, Google Fit, Fitbit | Fitbit / Google Fit app |
| Release | 2023 | 2019 |
Sources — Withings Body Smart: withings.com (verified 2026-06-15). Fitbit Aria Air: store.google.com (verified 2026-06-15).
What's the difference between the Withings Body Smart and Fitbit Aria Air?
Where the two actually differ on the specs we track (5 of 7). Matching specs are omitted.
- Metrics count: Withings Body Smart 10 vs Fitbit Aria Air 2
- Max weight (lb): Withings Body Smart 440 vs Fitbit Aria Air 400
- Wi-Fi: Withings Body Smart true vs Fitbit Aria Air false
- Athlete mode: Withings Body Smart true vs Fitbit Aria Air false
- App ecosystem: Withings Body Smart Withings Health Mate; works with 100+ apps incl. Apple Health, Google Fit, Fitbit vs Fitbit Aria Air Fitbit / Google Fit app
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Withings Body Smart
Only one whitelisted tester, Tom's Guide, published a hands-on review of this exact model. Tom's Guide praised the polished companion app, easy setup and body-composition breadth, but flagged the $99/year Withings+ paywall on key insights. No lab accuracy benchmarks were run. (1 sourced review.)
Praised: Sleek, modern companion app with science-referenced explanations of each metric; Easy, streamlined setup plus automatic multi-user recognition; Broad body-composition metrics and 100+ third-party app integrations (Apple Health, Google Fit, Strava).
Flagged: Best insights (Health Improvement Score, Body Score) locked behind $99/year Withings+ subscription.
Fitbit Aria Air
No sourced tester review yet.