Last Updated: November 24, 2018 (Refresh Now)
Polar M400 GPS Smart Sports Watch
Last Updated: November 24, 2018 (Refresh Now)
7.4
SCORE
/10
Total Reviews
996
Old Reviews
586
Unverified
80
Spam Test
!
Yes
GPS
158.76 grams
WEIGHT
100 meters
SIZE
Review Analysis - 330 recent, verified reviews
Detailed Mode
Heartrate
53heart rate monitor, polar, heart, chest strap, h7
+70%
-30%
" ... I've used 2 other Polar watches to track my heart rate, and this is by far the most accurate and reliable. ... "
" ... Since 12/2014 (starting with Polar Loop & H7 Heart Rate Monitor), I have been using Polar products (Loop, a300 & a360) to provide useful accurate metrics for tracking my cardio and weight training sessions. ... The Polar M400 (in conjunction with the H7) provides a wealth of useful information on each walk / run training session such as ... The M400 requires an external Heart Rate Monitor, I use the H7 with strap. ... "
" ... I was really looking forward to the watch and HR chest strap to up my workouts - and monitoring my heart rate with greater accuracy. ... "
" ... Periodically, I use the strap for heart rate tracking. ... "
" ... Naturally, it came down to Garmin vs Polar. ... I'm an Orangetheory Fitness member, so this watch pairs well with my OTbeat HRM. ... "
" ... I have a heart condition and have tried to find a watch and chest strap that allow me to exercise with confidence that my heart rate is being tracked accurately for the last 5 years. ... "
" ... What matters are the basic things, like GPS, cadence, stride, HR, and pace. ... "
" ... I use it with the heart rate monitor about 5 days a week- I have had to replace my heart rate monitor once already . ... "
Apps
34sync, app, training, software, polar flow
+79%
-21%
" ... ), and syncs with any computer or phone via the Polar FLOW app. ... "
" ... Great fitness tracker with programmable fitness programs! ... "
" ... very useful and once I downloaded software for it and got it going/familiarize myself I have come to enjoy it! ... "
" ... Syncs well with MyFitnessPal app as well so calorie counting is pretty easy. ... "
" ... The most reliable recovery method I've found is to force stop the Polar Flow app, turn Bluetooth off & back on on the phone, and sync the watch exercise data to the Flow app. ... "
" ... It actually syncs and all information is related from watch to Polar Flow application on my Samsung S6 phone. ... Polar please do fix your software! ... "
" ... I actually loved the interface of the watch and of the Polar Flow app. ... "
" ... It's a very good product, and a very good web app.to following training plan. ... "
Product Reliability
34watch, years, stopped working, stopped, weeks
+21%
-79%
" ... It worked for a couple months and then I had the same issue. ... "
" ... I have had this watch for almost a year and have had multiple problems. ... "
" ... After using 4 times, it’s not working anymore causing failure in monitoring my training. ... "
" ... The watch stopped working after 2 months and I am being charged for the repair. ... "
" ... I have had this watch for less than 2 months. ... I like the look and the feel of the watch, but its a lot of money to only work for 2 months. ... "
" ... I tried everything they said to try online to get it working again and it does not work. ... "
" ... I ultimately reset my password 4 different times - but nothing work. ... "
" ... Most recently however, the battery in the watch has stopped accepting a charge rendering the unit entirely useless after less than 4 months of use. ... "
Charging
32watch, charging, charge the watch, sync, port
+25%
-75%
" ... After having it about six months I had issues with the watch charging. ... I ordered a new charger, thinking that might correct the problem, it did not. ... I sent it back to the company, where they replaced the charger port and returned it to me. ... Now I'm having the same issue again, it will no longer charge and I can't seem to find the information on my account to contact the company again. ... "
" ... They say no dice on waiving the $35 charge to replace the corroded port but they would waive the $7.50 to ship it back to me, yippee. ... "
" ... This is the second M400 that has stopped charging and syncing. ... "
" ... Not even 1 year old and it will not fully charge. ... "
" ... The watch will charge, but I can't sync my runs to my computer (tried a new cord, and all of the USB ports on my computer), so the watch has now run out of memory, and is essentially useless. ... "
" ... Mine already won't charge. ... "
" ... Most recently however, the battery in the watch has stopped accepting a charge rendering the unit entirely useless after less than 4 months of use. ... "
" ... I purchased this in Dec 2015 and it does not charge now!!! ... "
Device Compatibility
30bluetooth, syncing, syncs, polar, via bluetooth
+43%
-57%
" ... It will not re-sync and will not pair with any device. ... "
" ... The sync port on the back no longer works. ... There is no way to delete information from the watch without syncing to a computer. ... "
" ... The watch worked fine, except that it will not sync with my LG4 or my wife's LG5 Android phones. ... "
" ... My watch band is separating from the face and it no longer syncs with my computer. ... "
" ... Recently it has stopped syncing with my phone. ... It also finds my HRM every time, so I don't know what my phone did to piss it off. ... I also have to manually sync it now with the side button, it no longer auto syncs. ... "
" ... This would never sync. ... "
" ... Had to return the watch as it would not sync to my mobile device. ... "
" ... Doesn't pair with the 💓 pulsar and doesn't pair with the mobile phone ... "
For Running
27workouts, runners, cycling, training, runner
+81%
-19%
" ... Amazing value for amateur runners / bikers! ... "
" ... After a good pair of shoes, this is the best thing you can buy to improve your running. ... "
" ... I have recently added walk / run interval training to my fitness profile. ... "
" ... I purchased this to get myself back into running, and have been pleased with it as a recreational runner. ... "
" ... Best watch for runners! ... "
" ... use it for running and other exercises. ... "
" ... Great for biking too. ... "
" ... Great device for training and competition. ... "
GPS
27polar, watches, map, hr, works well
+78%
-22%
" ... These watches were our first foray into GPS/fitness watches and we have been wanting something that can also track cadence on our bikes in the future but I can assure you they will NOT be Polar devices and I'll be ranting about this every time someone asks me about my watch on the trail or how they start tracking themselves for strava which is pretty much every group ride/run. ... "
" ... I have 2 Garmin way more expensive and like this Polar much better. ... "
" ... then with the app you can see the route map, distance, . ... "
" ... Outside, the GPS works well and connects reasonably quickly. ... "
" ... What matters are the basic things, like GPS, cadence, stride, HR, and pace. ... "
" ... I have never used another GPS watch so I don't have anything to compare it to. ... "
" ... GPS accuracy is pretty good. ... "
" ... Gps is accurate and the hr monitor works well. ... "
Battery Life
27charge, battery life, gps, watch, m400
+44%
-56%
" ... Battery change didn't help. ... "
" ... Not even 1 year old and it will not fully charge. ... "
" ... Mine already won't charge. ... "
" ... Most recently however, the battery in the watch has stopped accepting a charge rendering the unit entirely useless after less than 4 months of use. ... "
" ... Cons - really the only thing of note is how bad the battery compartment is on the H7. ... "
" ... I purchased this in Dec 2015 and it does not charge now!!! ... "
" ... I am also told that there will be a charge to fix it . ... "
" ... At first it didnt keep a charge and now that it has a full charge it wont work at all. ... "
Band
22strap, chest strap, wrist, polar, wear
+45%
-55%
" ... Recently the clasp on the watch fell off! ... "
" ... It does not sync to the chest strap. ... "
" ... My device did not come with the chest strap, I find the device to be very difficult to navigate through the program. ... "
" ... My watch band is separating from the face and it no longer syncs with my computer. ... "
" ... The only thing I don't like is the HR strap. ... It's not secure and can fall off easily. ... "
" ... Strap became unsealed from the watch face within the month. ... "
" ... You have to us a strap for the heart mont ... "
" ... The chest strap is a bit on the cheap side as the elastic started losing its stretch near the clasp after only a couple of wears. ... "
Ease of Use
18easy to use, intuitive, navigate, menus, interface
+83%
-17%
" ... It's more consistent than my phone, has different 'alert' options, and is super easy to use. ... "
" ... Easy to use and very impactful. ... "
" ... Easy to use! ... "
" ... So for an older guy like me, it was pretty easy to figure out and do the basics. ... "
" ... The intial set up was easy. ... "
" ... The watch is very nice, it is very accurate, easy to read and navigate through menus. ... "
" ... It does so much more than I need and yet it's pretty easy to set up and use. ... "
" ... The website is also great. ... "
Accuracy
17steps, training, tracking, calories burned, cadence
+88%
-12%
" ... It may or may not overestimate calories burned during a workout, but that should not be your primary use of this product anyway. ... "
" ... The Polar M400 (in conjunction with the H7) provides a wealth of useful information on each walk / run training session such as ... "
" ... What matters are the basic things, like GPS, cadence, stride, HR, and pace. ... "
" ... It also helps me keep track of my steps, heart rate and distances while running or cycling. ... "
" ... I love that it integrates with MyFitnessPal so I get an integrated view of exercise and calorie intake for the day. ... "
" ... I read that the accuracy was poor but it seems very good to me ... "
" ... A fitbit only counts the steps it can measure so you don't get any record of other types of activities. ... "
" ... I love that is doesn't count shakes from driving as steps like my Fitbit did. ... "
Comfort
17wrist, strap, wearing, watch, m400
+65%
-35%
" ... I loved the idea of being able to change the color of the wrist band for the A300, but I ended choosing the M400 for the GPS. ... "
" ... I wear it full time to keep track of everything. ... "
" ... I purchased in August 2015 and I wear the watch everyday. ... "
" ... I loved the feel of this band on the skin, super comfortable. ... "
" ... love the features however this is very big on my tiny wrist, wish they made separate size for petite females . ... "
" ... It would be nice to have the backlight come on automatically when I raise my wrist to look at my pace. ... "
" ... It's pretty intuitive and so I just started wearing it and using it. ... "
" ... And it's comfy too! ... "
Price
16money, m400, waste your money, v800, price i paid
+81%
-19%
" ... Well known brand at a good price. ... "
" ... A highly 'mature' product at a great cost. ... "
" ... Honestly, if I wasn't into triathlon's I would have gotten the M400 instead because for a fraction of the cost you get almost the same functionality as the V800. ... "
" ... Pros - this thing works OK and the price is quite reasonable. ... "
" ... Best GPS watch for the price. ... "
" ... And it's pretty good price . ... "
" ... Great watch for the price. ... "
" ... I love this - very good product for the money. ... "
Returns
14sent, repair, returned, polar, repaired
+7%
-93%
" ... They sent it back saying nothing was wrong. ... before sending it in. ... "
" ... After a dozen attempts to pair, I gave up and returned the product. ... "
" ... They are offering for me to return it to the manufacture for repair but will not refund my money. ... "
" ... I have tried to contact the seller with no luck. ... "
" ... I put it back in the box and sent it for return today. ... "
" ... I had it repaired. ... "
" ... Amazon sent me another one (<3 Amazon). ... "
" ... It's a total piece of crap and I am returning it. ... "
Software Platform
13app, polar, sync, polar flow app, update
+77%
-23%
" ... very useful and once I downloaded software for it and got it going/familiarize myself I have come to enjoy it! ... "
" ... I actually loved the interface of the watch and of the Polar Flow app. ... "
" ... I have Apple smartwatch, and various Android wear smartwatches to Fitbit and Garmin. ... Bottomline, you can find much nicer Android Wear watches with better features for this price. ... "
" ... The sync to the computer and to Polar Flow app on the iPhone has been seamless. ... "
" ... With the Polar watch I can see all my stats without getting out my phone and opening up an app. ... "
" ... The only other thing I would like to see is more sharing options from the Polar Flow web site. ... "
" ... The user interface used during activities can be customized to show up to four metrics at a time, and can be changed while on the move. ... "
" ... And lastly, an app that pairs with the watch and other polar devices has an excellent interface. ... "
Pedometer
13training, goal, tracking, tracker, runner
+92%
-8%
" ... I've put thousands of miles on it and works as good as the day I bought it. ... "
" ... The Polar M400 (in conjunction with the H7) provides a wealth of useful information on each walk / run training session such as ... "
" ... I've started to get more into running, and was interested in keeping track of my pace as well as distance. ... I like that it tracks my cadence outside and on the treadmill (although it still overestimates treadmill distance). ... "
" ... This was my very first fitness tracker. ... "
" ... It also helps me keep track of my steps, heart rate and distances while running or cycling. ... "
" ... It really motivates me to reach my goal every day , I haven't had any problems with it . ... "
" ... It's perfect for everyday activities as well as tracking gym sessions. ... "
" ... So I get very detailed reports on my speed, feet climbed, distance etc. ... A fitbit only counts the steps it can measure so you don't get any record of other types of activities. ... When you set up the watch you add the sports you want to track and then you choose from the watch which one to track. ... "
Design
13design, v800, look, garmin, face
+77%
-23%
" ... Anyways, this is a really solid watch (looks good too) and being able to connect all of Polar's lineup of accessories makes it a serious powerhouse for your money. ... "
" ... Used one look like new ... "
" ... The watch still looks new and is working great! ... "
" ... The watch is a little big but still looks good and is made from quality and resistant materials. ... "
" ... Will see how well it holds up. ... "
" ... I loved it so much that I bought the same watch again but in black. ... "
" ... Easy to use, rugged, and sleek looking. ... "
" ... Otherwise, it's great ladies. ... "
Marketplace
12sent, advertised, works, customers, shipping
+67%
-33%
" ... otherwise it works as advertised. ... "
" ... Works as advertised. ... "
" ... basically, so all the customers can solve each others problems with their products. ... "
" ... Great product, as advertised . ... "
" ... Item received in time and form, awesome response to customers. ... "
" ... I had this one new under $90 as a black friday deal. ... "
" ... Actually it looks better than pictures. ... "
" ... Just as I expected!!! ... "
Features
12watch, functions, tracking, many, m400
+92%
-8%
" ... Very complete watch with many functions. ... "
" ... Veri nice, useful and light ... "
" ... The Polar Flow online features are the best I've seen and I like that it even shows how much time I need to spend in recovery from intense workouts along with other exercise goal tracking ... "
" ... I like to use my watches for smart notifications + sports features. ... "
" ... Good price, great look and functions. ... "
" ... The M400 is the best of both with many more features! ... You can even customize the view of the watch during the activity so you can see what information matters the most to you in each profile. ... "
" ... I received my watch in no time, I'm satisfied with the quality and ease of using its features. ... "
" ... Works well, has very good features and functions built in, ... "
Build Quality
12flap, watches, v800, port, months
+42%
-58%
" ... Ok I get that the damage is more severe than expected but it's still a direct result of the product defect with the protective flap doing the exact opposite of what it's meant to do! ... I feel like I'm getting told to bend over and take it precisely because I was super anal about my watch and making sure to keep the port clean and aired out before charging to avoid all the issues the watch was known for. ... I should have just let the piece of garbage fail like all the others or just ripped the flap off, oh well. ... "
" ... Bought it from nearly 5 months and it went broke. ... "
" ... Cheap,cheap,cheap . ... "
" ... It's not secure and can fall off easily. ... "
" ... The chest strap is a bit on the cheap side as the elastic started losing its stretch near the clasp after only a couple of wears. ... "
" ... Please stay away from this poorly constructed and designed watch ... "
Sleep Tracking
10activity, tracking, tracker, sleeping, daily activity
+100%
" ... I find this watch to be one of the most attractive fitness watches/activity trackers available. ... "
" ... This was my very first fitness tracker. ... "
" ... I'm able to see how much sleep i've gotten every night. ... "
" ... After using the watch for a month I'm extremely impressed with how well it tracks activities and sleep. ... "
" ... ), lets you customize the displays you have while in a particular training, monitors activity and sleep, keeps an easy to access record of it all and is easy to set, use and analyze in general. ... "
" ... Currently, there is no way to edit a sleep record (or add one), which seems pretty lame considering other activity tracker applications have this feature. ... "
" ... The sleep tracker has helped me to fine tune my sleep patterns. ... "
" ... Sleep tracking seems very accurate to me - can tell when I fall asleep, when I wake up and how long and well I've rested. ... "
Bluetooth
10sync, pair, pairing, years, via bluetooth
+50%
-50%
" ... It will not re-sync and will not pair with any device. ... "
" ... Recently it has stopped syncing with my phone. ... Every time I want to pair it, I now have to delete the pairing and re-pair. ... "
" ... Don't use phone’s Bluetooth to pair M400" . ... but I never had a problems with Bluetooth and sync on my fitbit as I do at your device. ... "
" ... 3 - The bluetooth was purely my bad, heh. ... "
" ... Then, it wouldn't sync to smartphone app on bluetooth. ... "
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Specifications
Body
Weight: 158.76 grams
Size: 100 meters
Connectivity
GPS: Yes
Recommendations
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