25 in Fitness Trackers
Apple - Watch Series 2
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Reddit Reviews:
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Based on 1 year's data from Mar 17, 2026 How it works
Liked most:
50
16
"It’s well known that Apple has the best optical hr in the business and has since the series 4."
"The later AW is best in class for non chest straps. ... For daily fitness, Apple Watch is just better IMO. ... It being the most accurate heart rate tracker not a chest strap makes it the best fitness tracker to me. ... Maybe I should say it's the best workout recorder because it records the most accurate heart rate data. ... I just really like the AW for every day fitness more so than what Coros or Garmin can provide. ... Executing a training plan I've set out for myself and recording the results. Results being the duration and heart rate data during the planned workouts. I then upload that data to Training Peaks and use Training Peaks to keep up with my training load over time. So the every day fitness part is executing and recording my workouts. ... Apple Watch is data recording. Together they are tracking my fitness."
"I also validate my heart rate with a cheststrap occasionally and I will say that the watch is very accurate up until going beyond 175 bpm."
74
7
"I unlock my computer and phone with it."
"the fact that they integrate to the Apple Watch simply cannot be understated for me, I couldn’t go back to Garmin now, it is just so much part of my life now. ... Tracking weightlifting workouts, nutrition and other stuff, analysis of the data, send messages to HomePod, changing NC automatically, sending emails …."
"I really appreciate Apple’s ability to synchronize alarms. ... When my iPhone alarm goes off, I can quickly turn it off by pressing my crown button. ... This way, I don’t wake up my wife."
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"It’s also pretty well established that AW has the best motion tracking which shows up when you use the swim feature for distance. ... In swimming, it’s not even close. 100% of garmins worn during our pool swims are incorrect, regardless of swimmer level. ... Every single Garmin incorrectly reported swim distance vs manual counting. Freestyle 4000m in 25m pool."
"I had an Apple Watch, replaced it with a garmin forerunner for 1 month it was the worst! So inaccurate and when I’d swim in pools it would so often double count my lengths… I went back to Apple Watch"
"Does an excellent job of recording sessions"
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7
"never thought apple would let any 3rd party access the data their devices collect. ... That is a game changer"
"authentication apps ... doorbell camera where you can actually talk through your watch ... various email/chat apps ... todo list software"
"Combined with an app like Athlytic and its sleep / stress scores become much more accurate."
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1
"my AW alerted me to heart irregularities that sent me to the ER and findings of a small heart attack and a secondary artery in my heart with 99% blockage. I am AW for life now."
"The heart monitoring capabilities alone are second-to-none."
"needed a bit more like the ECG to make sure I’m not relapsing. ... It was cardiologist that pushed me in this direction as well. ... the AW just gives me a bit more insight and monitoring moving forward now."
Disliked most:
0
159
"Mine kept dieing one me mid run ... after two years of using it twice hours was about all an aw had battery for when using music and gps! By the 2:15 mark it would be dead. ... When I started running for longer than 2 hrs my battery would die mid run"
"Also the battery life was trash, I’d leave my new series 10 in the drawer charged and it’d be dead the next day."
"The battery life is a literal joke. ... Do an activity? There goes 75% of your battery."
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14
"If you are in long sleeves in the rain, you need to lock the touchscreen to prevent accidental touches. But that prevents you from using the touchscreen without holding to unlock for a few seconds. So if you are doing intervals, it can be hard to end the interval quickly."
"the Apple interface being badly interfered with by water/and clothing contact in heavy rain. ... I lost a trail marathon stats and mapping etc mid run. ... It was frankly infuriating"
"I already got sick and tired of touch screens with my Apple Watch ... Dripping sweat, rain and sleeves really screw with touch screens ... where I live we have like 6 months worth of snow so needing to take off my gloves and disable a screen lock before being able to pause my workout is an annoying PITA."
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"Apple Watch will count a mid-lap stroke change (as you described) as two laps very reliably. ... For example: if you do 100IM in a 50m pool, it will appear as 200m IM in the Fitness app. ... So if you are really serious about loving mid-lap stroke changes I wouldn't use it."
"My Apple Watch is terribly inaccurate. ... Misses laps and seems to only count part of a lap at times which in a pool is odd. ... I’m a former college swimmer and from talking to others who are efficient and take few strokes per lap it seems to be off as well for them"
"open water was a disaster"
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51
"one day I only got 3 1/2 hours of sleep and I got a 95 sleep score on Apple lol the Garmin was correct in telling me I got shit sleep."
"my sleep was very fragmented which the Apple Watch didn’t pick up. ... The difference is the garmin should a lot of awakenings which is what I really had. This is the effect of alcohol being metabolized."
"Because what's the value of the score if it doesn't correlate to real-world experiences? It's meaningless to get a high score and be told you slept great just because you slept a long time, but it was restless and low quality and you feel like garbage. ... My Oura gives a much more accurate picture of my sleep then Apple Watch unfortunately. ... I'm not sure there's much I can do short of sleeping for 4 hours to get my Apple Watch score to drop below 90."
1
81
"It misses key info and HR was clearly elevated compared to baseline even on the Ultra, but it doesn't count that. So a night of drinking and shit sleep, still give you a 95 score! ... But the vitals aren’t accounted by the sleep score as far as I can tell and my HR was higher though not abnormally high by Apple Watch standard but this could be because of sampling it does compared to the Garmin ... both HR and RR were elevated but not enough for Apple to flag but the sleep score doesn’t include those metrics, which I really think they should. ... The sleep scores doesn’t take into account vitals."
"If you’re healthy and looking to improve your fitness, performance, or recovery, the Apple Watch probably isn’t the best tool. ... limited in terms of true fitness insights."
"the metrics, data, tracking, training plans, insight, is all so much better on the Garmin."
Used to have a watch series 2. That one sucked. Then went to a apple series 5. That one fell into a lake and seeing as the ground in the middle was over 10m, i doubt it survived Switched to a Garmin instinct 2 tactical solar about 3 years ago. I love not plugging it back to charge everyday (with gps its been lasting a solid 15-20 days a charge) Great with sports especially skiing (it uses about 3 different satelite technologies so i never lose connection and it detects skiing / lifts to get back up) I can control music from the watch - bit finnicky with the buttons but eh it is what it is I got 50% ish off through work so that was a bonus I do miss being able to send custom messages from it and controlling songs on spotify.... I also miss having the touchscreen, but this watch has remained on my wrist even diving hard into water from cliffs About 18 months after switching I binned my iphone 9 and got a google pixel so yeah, i never would turn back to apple products.... Depends on what you want to be honest. Just know, that most of these watches can survive in water for a few hours to a couple days, so swimming/diving in it isn't a problem but thats just my opinion Hope I helped
I've been swimming with my Apple Watch + [MySwimPro](https://apps.apple.com/app/apple-store/id994386450?pt=117803900&ct=adam-reddit&mt=8) app weekly since 2016 when the Series 2 came out and never had any issues.
It depends on the person and how they swim. Each device has its own plusses and minuses but I've been a devoted Apple Watch user since Series 2 and it does the job well for my purposes (structured interval training with [MySwimPro app](https://apps.apple.com/app/apple-store/id994386450?pt=117803900&ct=adam-reddit&mt=8))
Apple Watch will count a mid-lap stroke change (as you described) as two laps very reliably. For example: if you do 100IM in a 50m pool, it will appear as 200m IM in the Fitness app. So if you are really serious about loving mid-lap stroke changes I wouldn't use it. I don't know off the top of my head other wearables that handle this better, since the repetative motion and the force of pushing off the wall are two of the main indicators for lap detection, so I would rely on what other commentators say. Source: I build the MySwimPro app for Apple Watch.
Battery life is insane on this thing! I upgraded from a series 2 so it was a huge change, not used to this haha
You *can* maybe squeeze a few days by turning off features you probably want on. Just plan to charge it once a day. Assuming you also shower once a day it is exactly zero hassle. I’ve worn Apple Watches since the Series 2. I also often wear a running watch that lasts 10+ days between charges, so I do know firsthand what it’s like to need to charge less. I simply do not understand the majority of people who fixate on battery life. Unless you’re on an all day GPS activity you essentially can’t use up the battery in less than 24 hours.
Lol. I actually returned my AW2. Tried to switch, used 7-10 days and returned back to FR970. Apple watch has the best sensor. But there is no good data provided by AW. You need to put like 60-100$ in subscription per year to make sense of your data. Garmin is not far off. So i think its the best in the market for athletes
After digging into this for a while and using both, here’s my honest take: The Apple Watch is great for people with medical conditions. Its heart sensors (like ECG, AFib detection, and irregular rhythm alerts) are FDA-approved. That means it’s backed by real clinical research, and Apple takes that seriously. They won’t roll out health features unless they’re medically validated. So things like stress tracking or body battery scores aren’t available—not because Apple can’t, but because they need official approvals first. That’s also why Apple’s H R V data is raw, and sleep tracking is very basic—there’s no deep insight or recovery guidance unless you rely on third-party apps. Apple plays it safe because their focus is medical accuracy. Garmin, on the other hand, is unapologetically a fitness-first company. It doesn’t seek medical certification for most of its features, which means it’s free to innovate and iterate quickly. Garmin offers H RV-based stress tracking, body battery energy monitoring, detailed sleep scores, breathing rate, training readiness, and recovery metrics—all without needing approval from government agencies. If you have an existing medical condition (e.g., heart arrhythmia) or want a device that’s backed by regulatory approvals, the Apple Watch is your best bet. • If you’re healthy and looking to improve your fitness, performance, or recovery, the Apple Watch probably isn’t the best tool. You’re better off with a Garmin, WHOOP, Polar, COROS, or Suunto—devices that give you more in-depth training and recovery data. In fact, for healthy individuals, the Apple Watch is more of a “phone on your wrist”—great for notifications, Apple Pay, music control, or staying inside the ecosystem, but limited in terms of true fitness insights.
My watch is currently being repaired/replaced because of bad battery. It’s an S2, purchased 3 years ago. The cost is $150CAD.
My wife’s series 9 has a battery health of 84% and it barely makes it through the day. Usually it dies in the evening if she’s still at work. It’s one of the major reasons I got an AWU2. My series 2, 5 and 8 would all be fine for the first year or so, and then they’d struggle to make it thought the day. Having to charge every single day absolutely destroys the battery.
Rob is great but this is silly. Who cares about sleep stages? You have very little control over it, whereas you have much more control over duration and quality. My old Garmin would say “not enough REM sleep” but what the hell am I meant to do with that? Now I focus on quality and duration. An AW + Bevel is the best solution for me.
I’m in the same boat. Currently have the AW2, but want to get more focused on health, without having to juggle multiple apps. Had the Fenix 8 Solar in my cart for awhile now, but wondering about the reliability of the data vs the AW2.
Valid points. The reliability of the metrics is a big consideration for me. My two biggest cons with the AWU 2 are the battery life (not the biggest deal) & the lack of a cohesive health/fitness experience. Overall, I think it’s the best smartwatch on the market, but there’s room for improvement on the fitness side.
I went back to AW2 after from from 965. I got bored of it and I don’t run and missed the smart watch aspects and charging for 30 min a day is not an issue.
Family friend got me an AW2 in February from AAES for $399 because they were getting rid of the stock that still had the 02 sensor enabled. I wasn’t going to change watches unless they said Jesus would actually carry you around…or they introduce a sand/gold neutral color. They didn’t, so I’m not upgrading. However, for that small amount, you might as well get the newest.