Top 7 fitness gadgets to count your calories

The Striiv fitness tracker ($100) is a portable fitness device that blends fitness and gaming with charitable donations. Yet it only measures calories burned, not consumed, and tracks exercises such as walking, running, and stair climbing, not weightlifting or cycling. Photo: AFP

The Striiv fitness tracker ($100) is a portable fitness device that blends fitness and gaming with charitable donations. Yet it only measures calories burned, not consumed, and tracks exercises such as walking, running, and stair climbing, not weightlifting or cycling. Photo: AFP

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1/7 The Striiv fitness tracker ($100) is a portable fitness device that blends fitness and gaming with charitable donations. Yet it only measures calories burned, not consumed, and tracks exercises such as walking, running, and stair climbing, not weightlifting or cycling. Photo: AFP

The Nike+ system tracks elapsed time of the workout, the distance traveled, pace and calories burned, and heart rate. The suite includes a Nike+ sports watch, shoe sensor, and heart rate strap. A smartphone app, powered by Motion X, does not require a separate sensor and sells for $1.99. Photo: AFP

2/7 The Nike+ system tracks elapsed time of the workout, the distance traveled, pace and calories burned, and heart rate. The suite includes a Nike+ sports watch, shoe sensor, and heart rate strap. A smartphone app, powered by Motion X, does not require a separate sensor and sells for $1.99. Photo: AFP

This small, lightweight device ($139) delivers real-time audible coaching that syncs to your MP3 player while you work out. Measures your heart rate, distance, stride, calories burned, etc. Photo: AFP

3/7 This small, lightweight device ($139) delivers real-time audible coaching that syncs to your MP3 player while you work out. Measures your heart rate, distance, stride, calories burned, etc. Photo: AFP

This small device ($149) takes in your every movement, even subtle ones, calculating how many calories you're burning. Slip in your pocket, or wear around your neck. Waterproof up to three meters below the water's surface. Photo: AFP

4/7 This small device ($149) takes in your every movement, even subtle ones, calculating how many calories you're burning. Slip in your pocket, or wear around your neck. Waterproof up to three meters below the water's surface. Photo: AFP

The MOTOACTV ($250 8 GB, $300 16GB) is a Bluetooth 4.0-enabled device that tracks time, distance, and calories burned. Added bonus: the device stores hours of music listenable via wireless headphones. Yet like the Striiv, the MOTOACTV is also missing a feature that tracks your food intake. Photo: AFP

5/7 The MOTOACTV ($250 8 GB, $300 16GB) is a Bluetooth 4.0-enabled device that tracks time, distance, and calories burned. Added bonus: the device stores hours of music listenable via wireless headphones. Yet like the Striiv, the MOTOACTV is also missing a feature that tracks your food intake. Photo: AFP

BodyMedia FIT ($200 plus $7 a month subscription) also tracks user's caloric burn, activity levels, and sleep patterns. Comes complete with a food log, yet contains a lot of chain restaurant meals, leaving guesswork for the home cook. Photo: AFP

6/7 BodyMedia FIT ($200 plus $7 a month subscription) also tracks user's caloric burn, activity levels, and sleep patterns. Comes complete with a food log, yet contains a lot of chain restaurant meals, leaving guesswork for the home cook. Photo: AFP

The Fitbit Ultra ($100) upgrades its original wireless-enabled fitness and calorie tracker with a new Stair Tracker, which measures vertical steps with a built-in altimeter. Features a food log where you can calculate your calorie intake against calories burned, as well as the percentage of fats, carbohydrates and proteins in your diet. Photo: AFP

7/7 The Fitbit Ultra ($100) upgrades its original wireless-enabled fitness and calorie tracker with a new Stair Tracker, which measures vertical steps with a built-in altimeter. Features a food log where you can calculate your calorie intake against calories burned, as well as the percentage of fats, carbohydrates and proteins in your diet. Photo: AFP