If you want to track your fitness with Nike software, you’re probably going to have to use Apple products.

The news that Nike had laid off a majority of its digital sport hardware engineering team last week meant the reported end of Nike’s FuelBand, the oldest of the current generation of wearable fitness trackers. Nike will still be a player in the wearable space, but it will no longer be producing hardware, according to reports from CNET and Recode.

If Nike exits the physical wearable market, as now seems likely, Apple will be the primary sensor maker for Nike’s future wearable apps given the length and depth of the two companies’ close ties. Although there are a handful of Nike apps available for Android, there is no app (on any other mobile platform aside from iOS) that supports Nikefuel, which Nike describes as the “heart of the Nike+ ecosystem.”…