Consumer

Under Armour continues to grow its membership base for what it's calling its Connected Fitness business -- the three apps the company acquired in the past two years as well as its existing UA Record app -- even as the company explores its new acquisitions and plots a course forward, according to the company's first quarter earnings call.

Two of the biggest medical journals in the world have taken up some big picture mobile health questions this week: How are patients to know which medical apps work out of the sea of available options, and should healthy patients be making use of mobile health apps and devices at all? The first question is the subject of a recent article in the Journal of the American Medical Association, while the second is tackled in a point-counterpoint discussion in the British Medical Journal.

London-based Peak has raised $7 million for its brain training app, in a round led by Creandum with participation from DN Capital, London Venture Partners, and Qualcomm Ventures.

Just a few days before the first units start shipping, Apple has posted some support documents that pull back the curtain on some of the technical details of its heart rate monitor, and also give some insight into steps Apple has taken to head off potential skin irritation issues.

Jawbone UP2 It's been a busy week for Jawbone.

Weight Watchers is recruiting for a randomized control trial that will test the addition of a connected scale into its online weight loss intervention, according to a posting on ClinicalTrials.

Sunrise, Florida-based MDLive, which offers patient-to-physician remote visits via mobile devices, has partnered with Microsoft to deliver telehealth services through Microsoft's Skype for Business offering.

Samsung S Health apps Partners HealthCare has announced a partnership with Samsung Electronics to co-develop mobile health solutions.

Intelesens's Zensor device.

Just two days after Jawbone announced that it will finally ship its heart rate tracking wearable, UP3, even though the tracker will not be waterproof as initially advertised, an anonymous source told the Wall Street Journal that American Express is working with Jawbone to add payment features to a future wearable.