Reviews
On 20 000 Europeans’ bedside tables. Now on yours.
Launched April 20 in the US.
Launched April 20 in the US.
Mentioned in
Reviews from our European stores
Rated by 2,550+ customers
MD
October 15, 2023
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Michael Dvořák
from
Czech Republic
Solid product through and through. The data is clean, and the interpretation is just as clear.
RH
November 28, 2023
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Rick Holloway
from
Belgium
Three weeks in and it's already replaced checking my Whoop. Faster, no 24/7 wearing, actually actionable advice, not just data.
L
June 14, 2024
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Lucas
from
Slovakia
It’s a really great add-on to my Garmin watch.
M
June 27, 2025
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Mike2003_
from
Germany
Clean app, does what it says. The 3-minute morning measurement has honestly been life-changing.
PN
March 15, 2024
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Paul Nowitzki
from
Poland
The recommendations feel calibrated to me, not to a generic model.
T
May 14, 2024
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Tomas R.
from
Hungary
Great app, accurate measurements, and clear guidance on what to do next.
AS
November 6, 2022
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Allison Shah
from
Greece
Yes, it's a real investment. But it paid for itself the first month I stopped overtraining through a bad recovery week. You learn to read your own body better — a skill that outlasts any app.
LM
June 18, 2023
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Luke Marsh
from
Netherlands
20 seconds to put it on, 3 minutes to measure. What more can I say.
PD
March 23, 2022
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Petra Dgheim
from
Netherlands
I'm sleeping better, worth every penny.
DV
May 5, 2024
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David Vincent
from
Czech Republic
Does what it promises. The 3 minutes every morning have become an effortless habit by now! Way easier than normal smartwatches.
DC
July 5, 2023
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David Cooper
from
Austria
Weekend warrior, not a pro. Was worried this would be overkill. It's not - recommendations scale to what you actually do. Works just as well for my hiking + yoga routine as it did for my brother's marathon training.
MB
February 6, 2025
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Mark Baxter
from
Czech Republic
Honestly great. Does exactly what it says.
ZB
May 22, 2025
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Zack Blaze
from
Austria
The AI summary every morning actually teaches you something about your own body.
M
November 1, 2023
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LucasR23
from
Austria
The measurement is quick and I don’t have to wear anything all day.
JH
October 3, 2023
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Jenna Hart
from
Slovakia
Daily recommendations are gold. Exactly what I needed to start making smarter choices in the morning.
MC
September 7, 2023
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Miro Coop
from
Czech Republic
Has caught illness coming days before I felt it - multiple times now. Love it!!
PM
April 22, 2024
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Peter Matthews
from
Germany
Everything I need, nothing I don't. The clearest read on my body I've ever had from a device.
KP
August 10, 2023
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Karl Pace
from
Poland
Runs in the family - got one for my mom (61). Gave her a completely different view of her energy levels. Now we compare functional ages weekly. Great conversation starter too.
TB
January 20, 2024
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Thomas Bennet
from
Germany
Simple enough for my dad (68) to use, detailed enough that I can nerd out on the trend graphs.
LH
February 12, 2023
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Lukas Horak
from
Czech Republic
Three minutes in the morning, full picture. Recommend to every person I know.
ML
May 8, 2024
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Martin Lacina
from
Czech Republic
First thing I check every morning. Know exactly how hard I can push on the bike that day. Haven't had an overtraining bonk in 4 months. Works reliably — pair, measure, results in under 5 minutes.
HJ
May 1, 2024
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Hans Jäger
from
Netherlands
Works great and the data is genuinely useful. Graphs are clean and easy to read too.
J
August 21, 2023
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Jana L.
from
Netherlands
Over time, I can see long-term progress, especially in stress and sleep.
AV
January 25, 2023
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Alex Vrana
from
Slovakia
I know by 7am whether it's an intensity day or a zone-2 day. That clarity is worth the investment alone.
VC
April 14, 2023
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Vincent Cross
from
Greece
Love the 3-minute measurement!!
TR
May 5, 2023
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Tom Ryan
from
Czech Republic
Solid product. Results are always 3 days ahead of me.
MV
November 18, 2021
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Marek Veselý
from
Slovakia
The science behind this is legit — listened to the founder's interview, then dove in. It's not another step-counter. Spectral HRV analysis is actually used in sports medicine research, not consumer fitness. Now it's a daily ritual.
FS
March 8, 2023
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Frank Shimon
from
Netherlands
When stress climbed 5 days straight, I took a rest week. Came back stronger. Would've blown through it without this data.
TL
May 16, 2025
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TomasLam
from
Germany
Great app. Has become part of my morning routine — right up there with coffee. Clear data, clear recommendations.
R
December 2, 2024
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Ryan
from
Austria
I’ve been using it for about eight months, and you can really see progress if you follow the app’s recommendations.
MP
June 27, 2024
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Mike Peterson
from
Austria
Been tracking HRV with Whoop for 3 years before switching. The Readiness + Recovery + Stress combo here is the most actionable morning snapshot I've used. Three minutes, done, no 24/7 wear. Dropped my functional age by 1.8 years in 6 weeks.
JW
May 14, 2024
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Jason Wheeler
from
Netherlands
Changed how I approach workouts. Before, I'd follow my program whether I felt trashed or fresh. Now I know if it's a push-hard day or a back-off day. My knees thank me.
AP
December 5, 2023
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Andrew Park
from
Germany
Plan my whole training week around the Readiness trend. Never felt better.
LM
June 10, 2023
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Lena Markward
from
Czech Republic
Works well, great insights. Morning routine has become something I look forward to.
PJ
July 20, 2025
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Peter Jelin
from
Czech Republic
Everything works well - not a single issue in over a year.
SF
September 20, 2023
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Steve Filar
from
Netherlands
First tool that's actually made me listen when my body needs a break. Haven't been sick in 8 months.
SN
August 15, 2023
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Simone Novak
from
Measurement is consistent and accurate. The personalized training plan is where the real value is for me.
E
January 18, 2024
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Ellis
from
Czech Republic
The first product that gives real results and recommendations, not just what I want to hear.
RM
March 6, 2024
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Richard Martin
from
Slovakia
The daily "what should I do today" rec is basically a personal coach. Backed off when it said to recover, crushed sessions on green-light days. Down 4 years in functional age since January.
RP
November 12, 2023
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Ricardo Posp
from
Slovakia
Solid app, solid sensor. The daily recommendations have genuinely improved how I live and how I recover.
LH
January 4, 2023
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Luke Harper
from
Austria
Helps me decide between hard days and easy ones. App works flawlessly on iPhone.
P
August 9, 2023
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Peter
from
Slovakia
Finally an app where you can work with data, thanks!
JK
February 10, 2024
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Jerry Kratos
from
Slovakia
Finally understand what recovery actually means. Wth only 3 minutes a day. Recommend to everyone.
WHY ELONGA
Personalized recommendations for rest and movement
Personalized recommendations for rest and movement
Instant feedback on lifestyle changes
Early warnings of illness or sleep deficits
The only wearable that measures your body in 3 minutes.
How does the measurement work?
1
After waking up, you attach the sensor to your forearm and measure for 3 minutes.
2
The result of the measurement is then displayed in the application
3
Put the sensor on the bedside table and the next morning you will measure new results
Science
It took 30 years of research to make it 3 minutes.
400,000+ measurements turned 20 minutes of lab-grade spectral analysis into a 3-minute morning routine.
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MEDIA
They wrote about us
MEDIA
Elonga in the media
MEDIA
Elonga in the media
FEATURES
What you get with Elonga
See your true biological age
Do your efforts lead to youthfulness?
We compare your results with your peers. This creates a functional age.
You can see if you're moving in the right direction long term.
Catch stress early
Stress as a silent killer
Stress won't go unnoticed anymore. Stay in control and know when it's too much.
Every day, you can also see what helps reduce your stress — and what to avoid because it increases stress.
Know when to train and when to rest
Get personalized activity recommendations each day
We recommended activities that support your health the best. Over time, we learn what works best for you.
We create weekly activity plans to help you make consistent progress
The activity recommendations are generated by our mathematical model, designed in collaboration with physiologist and co-founder of Elonga, Radim Slachta, who has also collaborated with WHO.
Spot early signs of illness
Act before symptoms appear
Your body shows early signs before symptoms appear. Act early to reduce illness and recovery time by up to half.
Track fitness progress over time
Are you making progress?
Your Fitness Score shows how you’re doing and keeps you motivated every day.
Build better habits with real data
What works for your body and what doesn’t?
See how your daily habits affect your health.
Track your habits and see what actually improves your health. Stay consistent and build routines that work for you.
Then stay consistent with healthy habits and keep improving.
Application + sensor
The unique combo of sensor + app
Advanced optical sensor
Get a complete measurement in just 3 minutes
We go beyond heart rate, focusing on stress and recovery
Captures the time between heartbeats (HRV)
Analyzes 60+ HRV metrics for precise insights
Mobile app
Turns your HRV data into clear & actionable insights using advanced spectral analysis
This analysis measures your autonomic nervous system, showing the balance between recovery (parasympathetic) and stress (sympathetic).
Blog
Explore more...
How often should I measure?
You can measure as often as you like, but we recommend every other day. The key is to measure in the morning, right after waking up.
Does the app compromise user privacy?
No. We never share your data with anyone, and it’s securely stored. You can also delete your account and all associated data at any time.
What do stress and recovery values mean?
Stress and recovery values show how your body is handling load and how well it’s recovering. They’re based on HRV, which reflects the balance of your central nervous system.
Why not just use a smartwatch?
If you have a smartwatch like Apple Watch, Samsung Watch and more, and are considering using the Elonga sensor, check out elonga.com/smartwatch where we cover the subject in detail.
Smartwatches track your activity during the day, like steps, calories, and workouts. Elonga measures your body’s internal state each morning - stress, recovery, and readiness.
Then it brings everything together - including data from your smartwatch - to create a personalized daily plan.
Smartwatches track your activity during the day, like steps, calories, and workouts. Elonga measures your body’s internal state each morning - stress, recovery, and readiness.
Then it brings everything together - including data from your smartwatch - to create a personalized daily plan.
