Fitness tracker with body composition

Full picture.
One band.

Body fat, muscle mass, visceral fat, and four more composition metrics from your wrist. No chest strap, no scale.

HRV, SpO2, sleep stages, and stress tracking included. Real data, no subscription required.

No credit card. Cancel early access anytime.

Early access open
From $179. Ships Q3 2025.
Meridian fitness band worn on a wrist during an outdoor run, screen showing a body composition metric readout
Health data

Every layer. One device.

Meridian reads your body across four domains simultaneously. Body composition, cardiovascular strain, sleep architecture, and daily activity — live on your wrist, no subscription gate.

Body composition — BIALive
18.4%Body fat
Muscle mass62.1 kg
Body water58.3%
Bone mass3.2 kg
Visceral fat4 / 30
Metabolic age28 yrs
BMI22.1
30-day body fat trend
30-day change-1.4%
Weekly avg18.5%
Target17.0%
7-day trend down 0.3%
Updated this morning
HRV trendGood
78ms

12-day average. Up 8ms from last week.

Recovery: High
Sleep stages7h 42m
82/100 score

Deep sleep 28%. REM 22%. Well above target.

Awake5%
REM22%
Light45%
Deep28%
Blood oxygen SpO2
98%
SpO2

Measured overnight. Stable range 97-99%.

Stress levelLow
24/100
Rest
60%
Activity
30%
High
10%

Derived from HRV variability and skin conductance.

Daily stepsOn track
8,241
Goal: 10,00082%
Active cal412
Distance6.1 km
Heart rate zonesResting
58bpm resting
Zone 1 — Rest
55%
Zone 2 — Fat burn
25%
Zone 3 — Cardio
15%
Zone 4 — Peak
5%

Workout zones tracked in resting and active modes.

Body temperature
36.7°C

Baseline deviation: +0.1°C. Normal range.

7-day range36.4 — 36.9°C
Meridian Insights Pro app in use

Insights Pro

Context for your numbers.

Body-composition trend modeling, HRV recovery scoring, and personalized health recommendations live in the app. Your device works without it.

Insights Pro is the analytics layer for people who want more signal. At $7.99 a month, it is a choice, not a requirement.

  • Body fat percentage trend over time, week by week
  • HRV recovery scoring with daily context
  • Personalized health recommendations
  • Full data export, no lock-in

Completely optional. Your data is yours from day one.

Insights Pro: $7.99/month or $59.99/year. Cancel anytime.

Insights Pro

This week

Live

Body fat trend

-2.3%
20.1%

HRV recovery

Good
69ms

Avg steps

9,240/day

Sleep

7.4hr

SpO2

98%

Competitive position

Where Meridian pulls ahead.

Three real gaps. Named plainly. You decide if they matter.

Fb

vs. Fitbit

Data depth

  • No BIA body composition sensor
  • No visceral fat or muscle mass data
  • HRV limited to overnight average
  • Meridian tracks 7 body composition metrics Fitbit simply does not
Meridian wins
Or

vs. Oura Ring

Price plus identity

  • Oura Ring Gen 3 starts at $299
  • Insights Pro adds body-composition depth Oura charges a premium for
  • Meridian Body Edition with Insights Pro undercuts by 34%
  • A wrist band you can actually see — not a ring you hide
Meridian wins
Wh

vs. WHOOP

No mandatory subscription

  • WHOOP requires a membership to use the hardware at all
  • Meridian Core works day one, subscription-free, forever
  • Insights Pro is optional context, not a gate on your data
  • Pay once, own your metrics
Meridian wins

Price comparisons based on publicly listed retail prices as of 2025. Sensor specs from manufacturer documentation.

Pricing

Your data. Your terms.

Pick the hardware that fits your goal. Add analytics only if you want them. Your band works without it.

Band

Meridian Band - Core

Meridian Band Core on a dark textured surface with violet sidelight
$179

one-time

No subscription required
  • Steps and active minutes
  • Heart rate: resting and workout zones
  • Sleep stages: light, deep, REM
  • HRV monitoring
  • SpO2 blood oxygen
  • Body temperature
  • Stress tracking
  • Seven-day battery minimum
  • Dark colorway default
  • No subscription required
Recommended

Band

Meridian Band - Body Edition

Meridian Band Body Edition worn on wrist, body composition metric displayed
$229

one-time

No subscription required
  • Everything in Core
  • BIA body fat percentage
  • Muscle mass trend
  • Bone mass indicator
  • Body water percentage
  • BMI and visceral fat rating
  • Metabolic age trend
  • Body composition history
  • Seven-day battery minimum
  • No subscription required
Meridian Founders Bundle — band in dark packaging with violet sidelight
Founders Bundle
Best value

Meridian Founders Bundle

Body Edition hardware plus 12 months of Insights Pro in one price, no ongoing commitment. The complete data ecosystem from day one.

$249one-time
Body Edition $229 + 12 mo Insights Pro $59.99 = $288.99 value

Common questions

Straight answers.

No hedging. The band either does it or it does not.

Meridian metrics are wellness insights, not clinical diagnostics.

Early access open

Your data. Your call.

Meridian works completely without a subscription. The data you collect is yours from the first sync.

Want the complete data ecosystem from day one? See the Founders Bundle ($249).

No credit card. Cancel early access anytime.

Press or partnership inquiry? meridian@sogoodmail.co

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