Amazfit
Pick Amazfit if
- Budget daily-wear watch with 24/7 stress
- You don't already own a scale
- Long battery on a consumer watch matters
Amazfit vs Withings
Amazfit reads 21/33 signals from the wrist — heart, sleep, activity, 24/7 stress. Withings reads 29/33 from a clinical scale, BP monitor, and watch — body composition, blood pressure, sleep apnea screening, AFib, body temperature. They share the daily heart/sleep/activity baseline, but their specialties barely overlap.
Amazfit
21/33signals its devices cover
Zepp OS watch
vs
withings
29/33signals its devices cover
Scale, BP monitor, watch
QUICK VERDICT
These two are deeply complementary, not competitors. Amazfit covers the daily wrist signal stack — HR, HRV, sleep, 24/7 stress — at the lowest price in this comparison. Withings adds everything a watch can't physically measure: muscle mass, hydration, blood pressure, sleep apnea, ECG with AFib. Together they're the cheapest way to reach a really wide signal coverage in MyBodyAI.
COVERAGE BY CATEGORY
Where each brand actually wins
Per-category breakdown of health signals exposed by each vendor's developer API. The number is breadth, not quality.
SIGNAL BY SIGNAL
The full matrix
| Signal | Amazfit | Withings |
|---|---|---|
| Heart & Vitals | ||
| Resting HR | ✓ | ✓ |
| HRV | ✓ | ✓ |
| SpO2 | ✓ | ✓ |
| Respiratory Rate | ✓ | ✓ |
| Skin Temperature | ✓ | ✓ |
| Body Temperature | — | ✓ via BeamO |
| Blood Pressure | — | ✓ via BPM Core |
| ECG recording | — | ✓ |
| AFib detection | — | ✓ |
| Vascular age | — | ✓ via Body Scan 2 |
| Sleep | ||
| Sleep duration | ✓ | ✓ |
| Sleep stages | ✓ | ✓ |
| Sleep score | ✓ | ✓ |
| Sleep efficiency | — | ✓ |
| Sleep apnea index | — | ✓ |
| Activity | ||
| Steps | ✓ | ✓ |
| Active minutes | ✓ | ✓ |
| Calories | ✓ | ✓ |
| Activities | ✓ | ✓ |
| Floors climbed | ✓ | ✓ |
| Distance | ✓ | ✓ |
| Fitness & Recovery | ||
| VO2max | ✓ | ✓ |
| Training load | ✓ | — |
| Recovery / Readiness | ✓ | — |
| Body Battery | — | — |
| Stress (continuous) | ✓ | — |
| Cardiovascular age | — | ✓ via Body Scan 2 |
| Body Composition | ||
| Weight | — | ✓ via Body Scan 2 |
| Body fat % | ✓ | ✓ via Body Scan 2 |
| Muscle mass | ✓ | ✓ via Body Scan 2 |
| Hydration | ✓ | ✓ via Body Scan 2 |
| Bone mass | — | ✓ via Body Scan 2 |
| Visceral fat | — | ✓ via Body Scan 2 |
Verified against vendor developer documentation and MyBodyAI backend code. This counts what a brand's API exposes, which is not the same question as what one device measures: the device catalog scores each model's own hardware, so its numbers differ.
Current Amazfit models Amazfit Active 3 Premium (2026), Amazfit Balance 3 (2026), Amazfit Balance Ultra (2026), Amazfit Bip Max (2026), all 17 Amazfit devices
Current Withings models Body Scan 2 (2026), BodyFit (2026), BPM Vision (2025), BeamO (2025), all 14 Withings devices
WHICH ONE FOR YOU
Pick the one that matches your priority
withings
Pick Withings if
- You're tracking weight, muscle, body fat trends
- Blood pressure or sleep apnea screening matter
- AFib + body temperature on a single scale + watch combo
Amazfit+withings
Pick both if
- Amazfit on the wrist for daily signals + stress
- Withings scale + BP monitor for body composition + clinical
- Only the Withings half reaches MyBodyAI today; Amazfit has no integration yet, and the pair is cheap as a total package
FAQ
Frequently asked questions
Can I use Amazfit and Withings together?
Yes, and they complement each other. Withings measures what a watch cannot on its own, body composition from a smart scale, blood pressure, and on some models an ECG. Many people keep Amazfit for daily tracking and add a Withings device for the rest.
Which one tracks more health signals?
Amazfit tracks 21 of the 33 signals I compare, Withings tracks 29. The matrix above breaks it down by category, and they often win different categories.
Which one should I get first?
Start with whichever covers your main goal. For daily heart rate, sleep and workouts, go with Amazfit. For weight, body composition and blood pressure, go with Withings. You can add the other later.
How did you compare Amazfit and Withings?
From each brand's official spec sheets and support pages, cross-checked against independent hands-on reviews (DC Rainmaker, the5krunner, Tom's Guide). Signal-level edge cases are noted in the matrix, not hidden behind a single check mark.
WHERE TO BUY
Check prices at the source
Links to each vendor's store. None of them changed any pick above.
MORE COMPARISONS
Explore other pairs
OPTIONAL — IF YOU WANT MORE
Want one place that merges both feeds?
MyBodyAI is what I build with these signals — it pulls from any combination of the brands above and derives Biological Age and 12 health indices from the raw numbers. Free to try, no card. It's optional — the comparison above stands on its own.
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