When comparing Fitbit Surge vs Withings Go, the Slant community recommends Withings Go for most people. In the question“What are the best fitness trackers that pair with iPhones?” Withings Go is ranked 11th while Fitbit Surge is ranked 18th. The most important reason people chose Withings Go is:
The Withings Go fitness tracker uses an E ink screen, the same as what you would find on an e-reader. Rather than being lit like a usual digital screen, it is much more similar to ink on paper. This makes it very easy to read even in very bright conditions or when in the water.
Specs
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Pros
Pro Continuous heart rate tracking eliminates risk of forgetting to activate the feature
The Fitbit Surge fitness tracker has automatic, continuous, wrist based heart rate tracking. Heart rate data is stored at one second intervals during exercise, and at five second intervals during non-exercise activities.
Pro LCD screen that can display multiple stats without the need of using the app
Similar fitness trackers depend on Bluetooth in order to relay info to a smartphone. Fitbit Surge can display information locally on the display which is far more convenient.

Pro Lets users log meals by voice
Users can tell Surge what was eaten, and a database will be used to match the entry with nutritional information.
Pro Does not need to be recharged frequently
The battery lasts 5-7 days which is one of the longer lasting options for rechargeable fitness trackers.

Pro Easy to operate compared to display-less options
While Surge easily syncs with iOS, Android, and Windows phones, it does not depend on them for functionality. The touch screen and physical buttons are a huge step up from display-less models.
Pro Very easy to read the display in all lighting conditions
The Withings Go fitness tracker uses an E ink screen, the same as what you would find on an e-reader. Rather than being lit like a usual digital screen, it is much more similar to ink on paper. This makes it very easy to read even in very bright conditions or when in the water.
Pro Water won't cause it any issues
The Withings Go is water-resistant up to 50m. Not only can it easily handle wet weather and sweat, but you can confidently wear it swimming or in the shower.
Pro The display is very simple to use
The display is wonderfully simple so there is 0 time spent on fiddling with settings and figuring out how the display works.
Pressing on the display will switch between the time, and your activity progress.
Pro Can go up to 8 months on a single battery
The Withings Go fitness tracker cannot be recharged, but can last up to 8 months on a single battery.
Cons
Con Might cause skin irritation for some
A number of people are reporting the Surge causes skin irritation. According to the company it's a very small percentage of customers.
Con Screen prone to inadvertent touches
It's really easy to accidentally brush up against the fitness tracker's watch and end up on screens that the user wasn't intending to navigate to. This forces you to swipe back to the correct screen.
Con Fairly big investment
While it's one of the most advanced trackers that Fitbit offers, it comes with a hefty price tag.
Con Very inaccurate sleep tracker
The Withings Go is not a good option for someone wanting accurate data on their sleep habits.
It often doesn't detect times you wake up at all, or sometimes registers them as "light sleep". Many users have reported the number of hours spent sleeping being consistently off by a couple hours or more.
Con Known to underestimate step count
A common complaint is that the Withings Go fitness tracker will underestimate the steps taken. This is the opposite of many trackers which are often known for overestimating the step count.
