After a mention on stage back at WWDC when Apple Health was first announced for iOS 8, Fitbit was absent when the feature went live. Now, the activity-tracking outfit says it doesn't "currently have plans" to opt in. "It is an interesting new platform and we will watch as it matures, looking for opportunities to improve the Fitbit experience," a moderator responding to Fitbit forum inquires explained. "At the moment, we're working on other exciting projects that we think will be valuable to users." Of course, Fitbit does have its own software. Even if it has a trackerless app in the works to leverage the iPhone's internals, it would make sense to share stats with the iOS repository. Fitbit was the top seller for activity trackers in Q1 2014 according to ABI Research, accounting for nearly 50 percent of shipments. It doesn't appear to be struggling to grow the user base, so the need to have its wares in more places isn't pressing. However, as you can see in the forum thread, those who have already invested in a tracker aren't too happy with the company's current stance.