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Compare 3 products

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Fitbit Ionic Fitness Watch
Fitbit Ionic
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Polar M400 HR Fitness Watch
Polar M400 HR
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TomTom Spark Cardio + Music Fitness Watch
TomTom Spark Cardio + Music
Available colors
Editiorial reviews
16
3.7 out of 5
7 user ratings
5 stars
0 %
4 stars
85 %
3 stars
14 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
5
5 editorial reviews
Seems like everyone is getting into the fitness band market these days and as a runner, I find them nice enough but limited as a 'get in shape/get off yourRead more
The Polar M400 has almost everything you would want in both a running watch and daily activity tracker.Read more
The Polar M400 fitness tracker logs your outdoor runs with GPS and measures how much activity you get all day long. It's a compelling choice for runners, but a little too chunky to work as an all-day wearable.Read more
Read editorial reviews
6
4.2 out of 5
5 user ratings
5 stars
20 %
4 stars
80 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
47
4.1 out of 5
47 user ratings
5 stars
36 %
4 stars
42 %
3 stars
21 %
2 stars
0 %
1 stars
0 %
28
4.0 out of 5
28 user ratings
5 stars
28 %
4 stars
46 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
38
4.4 out of 5
38 user ratings
5 stars
47 %
4 stars
42 %
3 stars
10 %
2 stars
0 %
1 stars
0 %

Dimensions

Gender
  • Men's
  • Women's
N/A
  • Men's
  • Women's
Width1.5 in
N/A
0.87 in
Depth1.5 in
N/A
0.45 in
Weight1.76 oz1.98 oz1.73 oz
Thickness0.47 in
N/A
0.54 in

Design

Colour of product
  • Black
  • Blue
  • Grey
  • Orange
  • Silver
  • White
  • Yellow
Red
  • Black
  • Black,Blue
  • Black,Pink
  • Black,Purple
  • Black,Turquoise
  • Black,Turquoise,White
  • Brown
  • Purple
Protection featuresWater resistantWater resistantWater resistant
Waterproof depth50305

Features

Heart Rate MonitorBuilt-inBuilt-inBuilt-in
Calorie counteryes
N/A
yes
Alarmyesyesyes
Altimeteryesyes
N/A
Date displayyes
N/A
yes
Pedometeryes
N/A
yes
Sleep readingyes
N/A
yes
Timeryes
N/A
N/A
Vibration alarmyes
N/A
yes
Distance meter
N/A
yesyes
Compass
N/A
N/A
yes
Display light
N/A
N/A
yes
Speedometer
N/A
N/A
yes
Stopwatch
N/A
N/A
yes

Connectivity

Bluetoothyesyesyes
Bluetooth version4.0
N/A
3.0
GLONASSyes
N/A
yes
GPSyesyesyes

Power

Battery typeLi-polymerBuilt-inBuilt-in
Battery life (running)10.0 h
N/A
5.0 h
Battery life (standby mode)4.0 day
N/A
21.0 day
Battery capacity
N/A
190.0 mAh
N/A

Often compared with Fitbit Ionic