⌚ Longevity Devices

The devices that change
the game

Not every wearable is worthwhile. Galit Perez tested, used, and selected the devices that truly provide meaningful data for improving biological age.

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Galit Perez's Recommendations

Co-Founder & Medical Director at LongevLife

Why do measurement devices support a healthy lifestyle?

Wearables and home tests turn invisible physiological processes (sleep, activity, heart rate variability, glucose) into objective data. They do not replace medical advice, but give you a measurable picture on which to base decisions.

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Objective Measurement

Subjective feeling misses patterns. A measured figure reveals real trends over time.

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Feedback That Drives Change

The very act of tracking behavior tends to improve it. Daily feedback supports healthy habits.

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Personalization

Personal data show what works for your body, instead of general recommendations.

⭐ Top Pick

Oura · Finland

Oura Ring Gen 4

The most accurate smart ring on the market. Measures HRV, deep sleep, body temperature, and a daily readiness score. No screen - just data.

HRV Measurement✓ Very accurate

Deep Sleep✓ Full stages

Temperature✓ Continuous

Battery7 days

Monthly subscriptionComing soon

👩‍🔬 Galit recommends:The tool I use myself every morning. The Readiness Score gives a clearer picture than how you feel. A must for anyone serious about Longevity.

Apple · USA

Apple Watch Series 10

The most accessible option if you already have an iPhone - the easiest entry point. ECG, oximeter, HRV, and full integration with Apple Health.

HRV MeasurementBasic

ECG✓ Yes

Oximeter✓ Yes

Battery18 hours

SubscriptionNone

👩‍🔬 Galit recommends:If you already have one, use it. Apple Health connects directly to the LongevLife platform. The HRV is less accurate than Oura but enough to start.

Abbott · Dexterity

CGM Continuous Glucose Monitor

A small sensor on the arm that measures glucose 24/7. The best way to understand how your body responds to food, exercise, and sleep. A complete paradigm shift.

AccuracyExcellent

Duration14 days/sensor

Prescription neededNot always

VisibleNo

👩‍🔬 Galit recommends:14 days with a CGM will teach you more about your body than 10 years of diets. Painless, unobtrusive, and permanently changes eating patterns.

Withings · France

Body Comp Scale

A smart scale that measures full body composition - fat, muscle, water, bone mass, and even vascular health. Connects to the app and shows trends over time.

% Fat✓ Accurate

Muscle Mass✓ Yes

Body Age✓ Calculated

ConnectivityWiFi + BT

👩‍🔬 Galit recommends:Regular weight tells you nothing. Body composition is the real measure. Withings gives a complete picture in under 30 seconds every morning.

Garmin · USA

Garmin Fenix 8

For those doing intermediate-to-advanced sports. A 3-week battery, HRV Status, Body Battery, and advanced run/swim tracking. The sporty alternative to Oura.

HRV Status✓ 24/7

Battery21 days

GPS✓ Built-in

SubscriptionNone

👩‍🔬 Galit recommends:For the athletically active. Body Battery is a fantastic tool for planning training loads. But for deep sleep analysis, Oura is still better.

Home Tests · Israel

Home Blood Test Kit

Home test kits are available for some markers, convenient for ongoing tracking between tests. They are not a substitute for a full lab blood test.

HbA1c✓ Yes

AccuracyModerate-good

👩‍🔬 Galit recommends:Not a substitute for a lab test, but excellent for tracking between tests. For a first test, always go to a lab. For ongoing tracking, home kits are perfectly fine.

⚖️ Wearables Comparison

Feature	Oura Ring	Apple Watch	Garmin	Withings
Accurate HRV	⭐ Excellent	Basic	Good	No
Deep Sleep	⭐ Excellent	Good	Good	No
Intrusiveness	Minimal	Moderate	High	Minimal
Battery	7 days	18 hours	21 days	Year
Price	Coming soon	Coming soon	Coming soon	Coming soon
Monthly subscription	Coming soon	None	None	None
Galit's Pick	#1!	If you already have	For athletes	Great addition

🎯 What suits you?

Beginners

Recommended starting point

LongevLife AI Assessment (free)

Apple Watch if you have an iPhone

A 14-day CGM to understand glucose

Withings for body-composition tracking

Advanced

Comprehensive package

Oura Ring Gen 4

Ongoing CGM

Withings Scale

Personal consultation with Galit

Athletes

Performance and health

Garmin Fenix 8

Oura Ring in addition

CGM during high-load periods

Blood tests every 3 months

Not sure where to start?

Complete the AI assessment in 3 minutes - Galit will recommend the device that suits your profile.

🔬 Free AI Assessment

The devices that changethe game

Why do measurement devices support a healthy lifestyle?

The devices that change
the game