Samsung Galaxy Fit2 Science Test: Watch Before You Buy! (2021 Review)

День тому

I tested the Samsung Galaxy Fit2 against a scientific EEG device, and tested the heart rate and step counting accuracy. Subscribe to my weekly Newsletter(!) on www.robterhorst.com
Instagram: / quantified_scientist
Twitter: @QuantifiedRob
👇Amazon Affiliate* (paid) links. Supports the channel, doesn't cost you any more!👇
Fitbit Charge 4: geni.us/wjAfjU
Fitbit Sense: geni.us/CSfYQE8
Fitbit Inspire 2: geni.us/iZHlb
Huawei GT2 Pro Classic: geni.us/iCgX
Huawei GT2 Pro Nebula Grey: geni.us/yD7ew9V
Huawei GT2: geni.us/xpAWsr
Huawei GT2e: geni.us/aYVruh
*My opinions are completely my own. However, I do earn a small commission if you purchase any of these devices via my affiliate links. It does not cost you any more money if you use these links.
The EEG tracker I used is called the Hypnodyne ZMax: hypnodynecorp.com/ from @HypnoDyne Corp
📹Fitbit Videos📹
Fitbit Charge 3/4 Sleep: • FitBit Charge 4 Ultima...
Fitbit Charge 4 Heart Rate: • Fitbit Charge 4 Review...
Fitbit Sense First look review and test: • Fitbit Sense Accuracy ...
Fitbit Sense Heart rate: • Fitbit Sense Heart Rat...
📹Apple watch videos📹
Sleep Cycle App: • Sleep Cycle App Review...
Steps: • Apple Watch 6 Step Cou...
Test: • Apple Watch 6 Accuracy...
📹First Garmin Venu Sq Video📹
• Garmin Venu Sq Heart R...
📹Oura Ring videos📹
Sleep Test: • Oura Ring Scientific S...
HRV Test: • Oura Ring Review: Hear...
Temperature Test: • Oura Ring Ultimate Tem...
📹Withings Scanwatch videos📹
Unboxing and first review: • Withings Scanwatch Rev...
Sleep test: • Withings Scanwatch Sle...
Heart rate test: • Withings Scanwatch Hea...
Q&A with Withings: • Scanwatch Q&A: Answers...
⏱️This comparison is part of a larger project where I spend over 11 hours a week tracking everything in my life. If you'd like to know more:
• This mad scientist sca... ⏱️
Timestamps:
00:00 General intro
00:57 Fit2 Most Important Info
01:49 Results: Sleep Test Setup
02:47 Results: Sleep Test Comparison
07:16 Results: Sleep Test Overview
08:57 Results: Sleep Comparison Other Devices
09:50 Results: Heart Rate Test
13:42 Results: Step Test
14:46 Conclusions
15:44 Should You Buy The Fit2?
16:16 Test Limitations
🎵Music🎵
(1) Not Without the Rest by Twin Musicom is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/...)
Artist: www.twinmusicom.org/
(2) Wonders by JVNA
(3) Can’t Sleep (UKposts Audio Library)
(4) Classique (UKposts Audio Library)
(5) Blurry Vision (UKposts Audio Library)

КОМЕНТАРІ: 183

@garluis23 3 роки тому

I wait religiously for your videos, they're so good right now.

@TheQuantifiedScientist 3 роки тому

Thanks so much Garluis!!

@kamaboko1 3 роки тому

I'm waiting for the "OH MY GOD...this is the best fitness watch ever! It's exceptional! Everything was within 98% accuracy. Buy it NOW!" review. Sadly, that will never happen. Every watch no matter the price has its shortcomings. We are many many years away from serious contenders. To be expected as we're in the infancy stage of smart watches.

@cinemapigeon4898 2 роки тому

@Hani A Yeah, after watching a bunch of his reviews, fitbit looks pretty good, definitely very good sleep tracking. If he ever did a best watches list, fitbits would be all on it.

@gliderman9302 2 роки тому

Get a garmin or Apple Watch

@hornsteinhof7592 2 роки тому

@@cinemapigeon4898 I feel like it's only true for sleep tracking. Heart rate is still kind of odd

@ml3141 3 роки тому

Rob, you have just confirmed what I have been suspecting is the mistakes that my Samsung Gear S2 have been making these past couple of years I have been wearing it. Thank you so much!!! It is consistently slightly undercounting my steps whenever I compare it to manually counting a few hundred steps. My heart rate also was many times off compared to manual counting it. yet I was not capable of testing and plotting it so precisely and brilliantly as you have. sleep also never seemed right to me but I had no way of testing it. How I can see that it is making the same mistakes as your Samsung wearable. You are brilliant and publishing on this UKposts channel such greatly needed work! Thank you again, and keep up your great work! 👍👏👏👏

@TheQuantifiedScientist 3 роки тому

Thanks so much Mike!

@haleysaunders1376 2 роки тому

Thank you for providing such high quality, quantitative reviews. I imagine it takes you a lot of time to do these :)

@HunterHamster97 2 роки тому

Great video! Im a bit dissappointed that the fit2 performed so poorly. Can you do a "1 year later followup" on it? Maybe the software improved some of its capabilities. Keep up the good work!

@kareemhijazy3428 3 роки тому

1st time watcher, very high quality video. wish you had included a caloric comparison

@stephanienel3161 3 роки тому

You are THE BEST. Thank you for your highly detailed, unbiased reviews

@mohamedfarh7280 2 роки тому

I am really happy finding this channel. Thanks for your dedicated reviews and to see a one for galaxy active2 in the future.

@siddharthapochin7511 2 роки тому

Your videos are so helpful. Thanks for taking the time to produce these :)

@__aceofspades 3 роки тому

Would love to see the Samsung Galaxy active 2 next!! Its gotten pretty cheap these days like $100 in the US, has blood pressure, HR, EKG (might need to sideload an app, as im not sure if its passed EU regulations)

@SamEfDee 3 роки тому

Waiting for this too. Might upgrade my Mi Band 5 if its metrics are better.

@romantrochanowski6107 3 роки тому

You have inspired me to dig out my Zeo Sleep Manager EEG which I was able to pick up really cheap many years ago. I want to compare the sleep accuracy of my Garmin Vivoactive 3. Love your channel! (Too bad about all the bad press on Scan Watch).

@fridaphonebackup6599 Рік тому

Hi Rob! Thank you so much for your hardwork on this video! Too bad I didnt watch this video sooner before getting one last year Dec 2022. Def will be checking out your other videos to decide on my future health tracking device purchase!

@vlkhvan 3 роки тому

Glad I found this channel. Finally, someone does review differently. Really enjoyed it. And decided to go with Fitbit

@_baert 2 роки тому

I just decided to ditch Fitbit. Their product is defective but because it happened after 1 year their said oh well not our problem.

@RomainCavallini 3 роки тому

Hey hey ! Loved the video ! For the heart rate "dot comparison " (first HR graph), it would be cool to have the standard deviation relative to the polar ! That would give a good comparison data against others !

@ShadowSwitch777 3 роки тому

Great Review! I appreciate these types of vids. Can you do one for the Galaxy Watch 3?

@enraha123 3 роки тому

Thanks a lot Rob. Love your reviews! Have a great week ahead

@TheQuantifiedScientist 3 роки тому

Thanks Xavier! You too!

@ensiangtan 3 роки тому

Thanks to you I got my first fitness watch, your vids r straight to the point and save people time, sub and liked! :D

@orangutanklaus9285 2 роки тому

Which do you buy?

@sanif 3 роки тому

Hey Quantified scientist, I love your reviews and love that you care so much about the health and fitness sector. Can you please do a review on breathing training equipments like the airofit etc? That would be amazing, they are expensive hence knowing whether they work or not will really help make a purchase decision.

@fernandoalvarez2846 3 роки тому

Hello! Really enjoy all your videos! I purchased the Inspire 2 thanks to you!!! Just had a quick question in the fitbit dashboard settings for my device, I notice that my fitbit is toggled to have sleep sensitivity to normal, was wondering whether you had it on normal or did you select sensitive when performing the studies that you did for your of your inspire 2 video.

@MrTherickz 3 роки тому

Great video as always. I hope you can one day do a review of a those cheap chinese no-name sleep/ecg/temp/ox/hr/activity watches you can buy from aliexpress or banggood for 20-50 usd, would be really interesting to how they compare to the big brands.

@AlokKumar-ym8bl 3 роки тому

You explanation is very scientific and clear, please keep presenting videos like this, thank you, God bless you gentlemen...

@flavioribeiro6784 3 роки тому

Sheesh. I wish you already had tested this 3 months ago when I bought one for my gf. This device is actually pretty good as a light version of a smart watch, since it is pretty good with notifications and detects when you exercise. The Samsung app also has some pretty good training programs. But the measurements accuracy is pretty bad. Thanks a lot, and I like your step by step approach. It's just like you are presenting a scientific article in a congress. I can learn about the devices and learn about presenting methods. Wish you lots of success

@TheQuantifiedScientist 3 роки тому

Thanks so much Flavio!

@tommiel6740 3 роки тому

Thanks Rob ! Could you do more Apple Watch apps and/or Garmin Fenix? (The sleep tracking that is)

@lgnfve 3 роки тому

Strange, Fitbit did horrible for me but fit2 has helped me improve my sleep dramatically . I guess mileage may vary lol. I plan to get the apple watch when new one is released. I could not recommend the Samsung Galaxy Fit2 enough. they are both so inexpensive, easy to buy both to try. thank you for all your hard work and data. looking forward to further reviews.

@JovicaKrickovic 3 роки тому

Great review. I am also not satisfied with it, mostly due to software (un)friendliness with iOS. However, I did notices that HR heavily depends on the position on the hand. The more it is closer to the wrist it is better. Also, the sensor it uses for HR is completely different then most of other wristbands, due to which it has measurement inertia, and all other issues that come with it. Try repeat some of these tests with the band closer to the wrist. Additionally, even if it can be easily removed from the band, it performs poorly when it is in the pocket, e.g. as a step counter.

@upsetuloss 3 роки тому

Thanks for saving me money. I'll be going with the Fitbit Inspire 2 per your recommendation.👌🏾

@joshua8292 2 роки тому

Incredible content! Thank you.

@jevremjevtic793 3 роки тому

Keep going your great man!!!

@sarathbabu1072 2 роки тому

I recently found your channel bro.. and the content is just wow.. Accuracy is more important thn a feature. Ig.. it's due to the code it performs worse in sleep test.. I found similarities in tht visual like it's detected most remp sleep as wake... So, I guess the way tuned is differed like in terms of accuracy thing... Anyway it's really great work bruh

@mishkattasdid 2 роки тому

actual review of electronic devices,. Thanks man,.

@georgesabikhalil186 3 роки тому

Good job as usual !!

@aloyafrica3080 3 роки тому

Excellent review 👌

@ralstondias4779 2 місяці тому

please make a video for newly launched fit3 aswell and love ur videos

@sandeept_soul 2 місяці тому

Awaiting your review of Samsung Fit3😊

@user-tx6he5jh6w 3 роки тому

nice video! so underrated !

@guilherme_louzada 2 роки тому

Great video. Congrats!

@nicklashjort5797 3 роки тому

Hello Rob. Im really looking for a solid sleep/general health tracker and been watching your videos. Which one would you personally say is the Best?. Agter seeing your review it seems to be the fitbit inspire 2 that is the winner???

@cutiedizzle 2 роки тому

Love you honesty

@ken_barbe 2 роки тому

Love this video! Thank u so much 😀

@MrSarvie94 2 місяці тому

Hey Rob, what are your thoughts on the Samsung Galaxy Fit 3 watch that was launched recently?

@ave_rie 3 роки тому

Great video! After this, I’ll refer to your Xiaomi video to compare and decide :)

@RockSleeper 3 роки тому

Please test the Galaxy Active 2, and do you have a list rating the different smartwatches/trackers you've tested?

@NY-oz5le 3 роки тому

Great Video! Im wondering if the more expensive smartwatches from samsung have te same sleep tracking issues. Would love to see review of the galaxy watch 3 if you are able to get your hands on it. Would also like to see if you are able to measure the relative accuracy of of spo2 and the bloodpressure functions that the galaxy watch 3 offers. Keep up the good work!

@TheQuantifiedScientist 3 роки тому

Thanks! For sure, I hope to test it soon. (If someone can convince Samsung to send me one for testing that would be even better ;-) )

@restytamayo3984 3 роки тому

nice video...thanks...now i know what is the right band watch to buy...👌👌👌👍👍👍

@STeyo-bo4jt 3 роки тому

Useful information ,as always. Nice review sir

@TheQuantifiedScientist 3 роки тому

Glad it was helpful!

@threestars9788 3 роки тому

Can you post video on honor band 5 ,as it seems to have more accurate results !

@deeonis 3 роки тому

Thanks for great video. According the user manual Fit 2 has slight delay in step counting. It doesn't count steps immediately. In such way, i guess the step test results should look a bit different.

@TheQuantifiedScientist 3 роки тому

Hi V A, thanks for in info! Not sure if this had an influence. Since I did these segments mostly back to back, the numbers should in total not be affected too much, but it might have some influence indeed.

@dsr8076 2 роки тому

Hello Rob, does Fit 2 has Low Heart Rate alerts? Thanks for other’s informations.

@reaper7427 3 роки тому

What does REM mean? This is the first video I'm watching of yours, and I am pleased!

@Cornsnake94 3 роки тому

Rapid Eye Movement, you move your eyes quite much in that phase. You also often dream in the REM-phase ^^

@berkyasuk9188 Рік тому

Great detailed review! But I'm little confused that how can I (or you) measure sleep onset latency? Most of my graphs start with sleep onset (when I already fall asleep), like one of your recordings. So, I wonder that how can I calculate exactly to time spent in bed before sleep onset with using only Fit 2 graphs as base?

@enhncr 2 роки тому

Good job. What about galaxy watch 3 sleeping tracker? Can you test it please:)?

@floradu2001 29 днів тому

Can you make Samsung galaxy fit 3?👀. Thank you, excellent review!

@terrytibs3365 Рік тому

Could you make an updated video of this watch

@damnoish 2 роки тому

Do you have any idea why the apple watch is significantly better at tracking heart rate than other bands - even in case of high intensity workouts? Or what prevents the cheaper alternatives from reading the correct values when bpm shoots up quickly? I'm trying to understand if it's really technically hard to do or just manufacturers cheaping out. From what I've seen in your channel, even the costlier Garmin watches have abysmal hr tracking when it comes to hiit workouts. One more question: how do you export data from these apps? Thanks for doing all of this.

@davidsk8forjesus 3 роки тому

Galaxy watch active 2! I would love to see a video with that one

@PhynixAbyss Рік тому

Conclusion: The 30€ Fitness Tracker did not perform like an 100-200€ Fitness Tracker. I can not recommend it.

@jamesheseltine8283 3 роки тому

Hello! I am a big fan of your UKposts channel. I literally live right by a train line that is quite loud. I am still able to sleep 8 hours a night no problem. But is it possible that the quality of my sleep is being negatively affected without my realising it? Thanks for all you do. James.

@JoaoVitorBRgomes 3 роки тому

Boa review, gosto muito dos seus vídeos!

@TheQuantifiedScientist 3 роки тому

Muito obrigado! (#googletranslate) ;-)

@yingnanzhang7686 3 роки тому

could you please do a test on latest Miband 6 and huawei band 6 for their sleep, heart rate, blood o2 level and step count test? very interested in that

@rjtechcity9039 3 роки тому

I am interested in buying emf radiation free smartwatch. Please recommend one with all the features like step counter, HR monitoring, SPo2, BP monitoring, etc.

@trawazmazur 3 роки тому

Great channel, pure data to compare. So I have to look for other device.

@HawkArmy 3 роки тому

How about Samsung Galaxy Active 2? Would love to see more Samsung products.

@paralipomeni100 3 роки тому

Please, tell us something about Garmin Vivosmart 4! How accurate is it? I'm referring to sleep tracking and heart rate accuracy. Thanks a lot!

@yashwanthkumar4043 Місяць тому

do a video on fit 3 now please!

@andyweb7779 3 роки тому

Can any of the Fitbit gadgets give you a vibration alarm during specific types of sleep to aid lucid dreaming etc?

@karthickvelushamy 2 місяці тому

Please do fit 3 review

@JV-yh9dx 3 роки тому

Bro... Also do blood pressure monitor.... 💙

@billl1977 3 роки тому

We want a video about the amazfit GTS 2

@nil1874 3 роки тому

Good Video sir, is there any update out for the FitBit Sense?

@TheQuantifiedScientist 3 роки тому

Hi Nils! Not yet, but hopefully I'll have time to make a video or instagram post about it soon😊

@NeverStoppedSinging 2 роки тому

thank you so much

@WOUUUTT 2 роки тому

Which tracker do you recommend for android users (& heartrate)

@jameslrs 3 роки тому

Thank you and finally.

@TheQuantifiedScientist 3 роки тому

You're welcome James

@samygold100 3 роки тому

Man, would you please recommend the best most accurate sleep tracker among all you tested?

@---GOD--- 2 роки тому

This is all I want

@LaChrysomeleReveuse 2 роки тому

I'm looking for the same thing. Rob, what had been the most accurate device so far, please?

@cinemapigeon4898 2 роки тому

Fitbits all track sleep pretty well.

@andrewpradana2812 2 роки тому

Hi rob, galaxy fit2 around 38 usd and fitbit inspire around 90 usd,, can you please advise that fitbit can justify this price difference? Thank you

@bongthoi1 2 роки тому

I bought this for £33 which is $45 and the original price was 60 so i guess this is a good watch? I would get the Fitbit inspire 2 if it was on sale so thank you for the recommendation

@yourkodi3945 2 роки тому

what do you recoomend for heart rate monitor?, which was is best for android users?

@RafaGmod 2 місяці тому

Came to see where samsung was ni the fit 2 as the fit 3 just released! And boy, they have a long road to make me upgrade my mi band 6 hahahaha

@SuperFred001 2 роки тому

As an unscientific fool I liked the video easy to understand and this test is something nobody else does

@KA-cm9px 3 роки тому

it would be very good if you created a table in excel, for example, compiling all smartwaches that you have already tested for us, so we could consult and verify this data :D

@SportsOrchestra4420 3 роки тому

Please do this test with galaxy watch 3 & Active 2

@ChipAndCrinkle 3 роки тому

Sunday afternoon means Quantified Scientist time - can never arrive soon enough!

@TheQuantifiedScientist 3 роки тому

Thanks so much😊

@KhanhNguyen-is2vg 3 роки тому

Can I have your opinion between this and mi band 5???

@sujeetshetti6746 3 роки тому

Hi, can u review Amazfit GTS 2 pls pls, I am planning to busy it so pls, it has all other smart watch features, but step and sleep counts no other youtuber does as u validate. So pls can u? Thanks in advance!👍

@a-40arpitmecwan56 3 роки тому

Can u tell which is best accurate Smart band and smart watches under 15000.INR

@cpnd Рік тому

So what I am going to do is get Samsung fitbit 2 for the step under count because it will help me push myself. I prefer a slight under count than over count anyday. And I'll get the POLAR H10 for the heart rate. And that's all I want.

@michaelwong8884 2 роки тому

Some how Galaxy Fit 2 is boradcasting Heart Rate to RGT. May I know what sleep app did you used to show at 6:17

@adaninurs Рік тому

1 year later follow up for this please!!

@ravnitdeshpande1942 3 роки тому

which fitness band you would recommend in 3000 Indian rupees ???

@milkshakekoe 3 роки тому

kun je misschien een sleep tracking test doen van de galaxy active 2? :)

@TimPloumen 3 роки тому

Heb hetzelfde verzoek 😉

@TheQuantifiedScientist 3 роки тому

Hi Pyke! Ik hoop die ook te kunnen testen 😊! De beperkingen tot nu toe zijn (1) geld en (2) tijd. Ik koop bijna al mijn apparaten zelf, en daarnaast werk ik voor mijn "echte" werk ook zo'n 50 uur in de week (als t niet meer is). Dus hopelijk heb ik ondanks (1) en (2) de mogelijkheid deze te testen.

@Theonegamefreak 2 роки тому

does it track distance accurately

@Bt-ik9xp 3 роки тому

Sorry for the off topic question but on what sleep sensitivity did you test the fitbit sense 2? Normal or sensitive? I use it but can‘t really tell if it‘s really accurate.

@TheQuantifiedScientist 3 роки тому

Hi! I have it set to the default settings :-) . I normally try to not change anything, since most consumers will also not know and/or bother ;-)

@Bt-ik9xp 3 роки тому

@@TheQuantifiedScientist thanks a lot you really helped me out

@santunaik1499 2 роки тому

❤️ from India, please do latest test of this band. Curious to know about its performance after so many firmware updates. Please Sir...

@warryn4751 3 роки тому

Can we see a video on the samsung active 2 and galaxy 3

@sergiutelbisz1955 3 роки тому

I have a Samsung Active 2 and can confirm that it shows me way more awake time than I have. There are nights in which I barely wake up and it gives me like 1h and something of awake. And usually way less deep than I surely have.

@TheQuantifiedScientist 3 роки тому

Thanks for confirming my results Sergiu!

@RockSleeper 3 роки тому

this video is on the Fit 2, not the Active 2. Did you mean fit 2? if not, how did you do your tests on the Active 2? I just ordered the Active 2 and now I'm worried if I should have gotten something else.

@sergiutelbisz1955 3 роки тому

True. What I was saying is that I think the Active 2 is not very different from this Samsung product. I think basicaly they have the same sensors. My results are purely subjective, from the day to day data I saw being registered and how my body felt. Indeed I do hope Robb tests it. From what I can tell, sleepwise is that it is very good in predicting when I sleep and when I wake up but also it shows many small awake moments during night time that sometimes add up to even 1 h. And the fact is I hardly wake up during the night. I really have no sleep problems. Also sometimes I think it shows too little deep sleep. I have periods when I sleep without any movement at 49-50 heart rate and no deep sleep whatsoever. Usually it only shows like 20 ish minutes. REM wise I think it is ok. I mean in the morning if I felt that I had a really rough dream night it does indeed show more REM than usuall. I think it is a good Samsung product especially if you have a Samsung phone. I use it every day since May 2020. It is just regarding sleep that I have my doubts. I thing the algorithm might be the problem. Usually after an update it appears to shift the results a little. But hey, hope you enjoy yours and report back if you had good results. And Robb, please please test it.

@MrBogdan998 3 роки тому

@@sergiutelbisz1955 I have a Galaxy Watch3 and I can confirm that, in comparison to Mi Band 5, which I had before Watch3, it tracks sleep poorly regarding awake time and deep sleep time. Of course I cannot say for sure about light sleep and REM because I have no way of testing it. When ti comes to steps, I would say that the Watch3 tracks a little bit more accurately since it shows every step that i make when walking, unlike Mi Band 5 which delays step counting for several seconds and then adds 20, 30 or 50 steps to the tally which is harder to track in my opinion. That could be due to the built-in GPS in the Watch3, whereas Mi Band 5 is using your phone GPS, but I'm definately not sure about that. I am trying to be as active as possible since I was diagnosed with anxiety and panic attacks and I go for walks/runs every night before sleep, and both devices show distinct change in heart rate when I start jogging or running with the HR going from 100-110 to 160-170 bpm, so I'm not sure how accurate it is regarding the actual heart rate, but I can confirm that both show general accuracy. *A note to Mi Band 5 - there were two occasions when I would stop running and begin walking, expecting the HR to go down, but it continued going up all the way to 196 bpm which was insane, I didn't even think my heart can go that much, so there were two inaccuracies in 3 months of using. None so far with the Watch3.