heart rate ▪ May 30


Apple Watch running the original 1.0 software rather reliably recorded a user’s heart rate every ten minutes. With Watch OS 1.0.1, users noticed that heart rate records were no longer being kept as frequently. This was initially thought to be a bug but Apple has now clarified that this is intended behaviour on its website.

The updated website says that ‘Apple Watch attempts to measure your heart rate every ten minutes, but won’t record it when you are in motion or your arm is moving’. The original version of this feature did not care about arm movement.

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heart rate ▪ May 22


Apple’s update to Watch OS 1.0.1 was intended to improve the performance of several fitness-related functions, but also appears to have introduced a bug. Instead of the Apple Watch recording your heart rate every ten minutes, many users – including myself – are seeing large gaps in the data.

My readings for yesterday afternoon and evening, shown above, contain four gaps of more than an hour. Two of these gaps span times when I was cycling, when the data would have been most relevant. Users in an Apple Support Communities thread (via EverythingCafe) are reporting the same thing …  expand full story

heart rate ▪ May 1


Apple has confirmed reports of problems using the Apple Watch on tattooed wrists. The company has quietly updated a support page on the heart-rate functionality.

Permanent or temporary changes to your skin, such as some tattoos, can also impact heart rate sensor performance. The ink, pattern, and saturation of some tattoos can block light from the sensor, making it difficult to get reliable readings.

Apple Watch owners on Reddit and Twitter have been posting conflicting reports and video, some showing that the heart-rate functionality works fine with their tattoos, others showing either no reading at all or erratic readings …  expand full story

heart rate ▪ March 6

Just ahead of the finalized Apple Watch’s presentation at Apple’s March 9th “Spring Forward” event, sources with hands-on Apple Watch experience have revealed a collection of new details about the device’s features to 9to5Mac. Our sources have offered new information on the Watch’s real-world battery life, health and fitness features, apps, and experiences using Apple’s next-generation touchscreen hardware…

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heart rate ▪ January 9

Scanadu cofounder Sam De Brouwer demonstrates the Scout and Scanaflo

At CES this week I met with a very interesting company called Scanadu which makes two interesting healthcare products that connect with the iPhone…

Scanadu-scoutThe Scanadu Scout (pictured, right) is a little electronic device designed by Yves Béhar that you touch to your forehead for a few seconds. Almost instantly, physiological parameters, including temperature, heart rate, blood oxygenation, respiratory rate, ECG, and diastolic/systolic blood pressure are sent to an app on your iPhone which logs these measurements and alerts users to anomalies and deviations which may be cause for heath concerns.

The Scout closed a $1.6M Indigogo funding round in 2013 and is still trying to push the product through the FDA as it tries to get deliveries to customers.

Perhaps more interesting however, Scnadu introduced its new “Scanaflo” device at CES 2015 which is a home urinalysis apparatus that uses your iPhone’s camera to image a set of colors strips. expand full story

heart rate ▪ October 27, 2014


With Apple Watch official and expected early next year, it’s likely too little, too late for Fitbit, but the company is finally moving beyond simple fitness bands to a fully-featured smartwatch in the form of the $250 Fitbit Surge.

The Surge is the company’s first device to display text messages on-screen, as well as the ability to control music on your iPhone. The move may explain rumored Apple plans to remove Fitbit from its stores (something which hasn’t yet happened), though these may also reflect the lack of Health app integration …  expand full story

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