A mysterious app just showed up on your Android phone, and it’s watching your battery

An app called Android Pulse surfaced in Play Store update queues at the weekend, though Google has been distributing it since March and it now sits on more than 10 million devices. It is a diagnostic tool with no user interface that flags software consuming unusual system resources.

Millions of Android owners spent the weekend trying to work out what had appeared on their phones. An app called Android Pulse showed up in Play Store update queues with a blank square where its icon should be, and no explanation attached.

Google’s own description is not written for the people who found it. The listing says the app “facilitates rule distribution for anomaly detection in critical system resource consumption by the Android operating system and installed applications.”

In practice it is a watchdog. It looks for software misbehaving on battery, processor or memory, and it has no user interface at all.

The distribution is the part worth pausing on. APKMirror records show it first appeared in March, seven builds shipped before the Play Store ever surfaced it, and the listing already counts more than 10 million downloads.

Nothing announced it. On Pixel devices it sits in system settings under a green icon, and elsewhere it became visible only because an update queue rendered it as an unlabelled square.

Android users have been here before, recently. Android System SafetyCore arrived the same way in February 2025 and drew widespread accusations of spyware that the evidence did not support.

The pattern matters more than either app. When software installs itself and is discovered afterwards, people reach for the worst available explanation, and a blank icon does the rest.

Europe wrote a rule aimed at roughly this feeling. Article 6(3) of the Digital Markets Act requires gatekeepers to let users easily uninstall any application on the operating system, part of a push to open Android up.

The obligation has a hole shaped much like Pulse. It carves out essential system applications that cannot be offered on a standalone basis, and a headless diagnostic service is a plausible fit.

So Europe’s flagship remedy for who controls your phone does not clearly reach the thing that keeps alarming people, in a market where Brussels is otherwise preparing large penalties for the same company.

The complaint here is not that Pulse is dangerous, because nothing suggests it is. It is that ten million people learned about it from an update queue five months late.