3 Most Useful Android Apps in 2026 You Must Try
Your phone is probably full of apps you barely open. These three free apps are the opposite — each one does a single job brilliantly, and chances are you have never heard of any of them.
1. Battery Supervisor – Know What Is Draining Your Battery
Battery Supervisor tracks your battery’s level, voltage and temperature over time and lays it out in easy charts. It flags abnormal drain, screen-off consumption and even faulty chargers or cables, while the one-tap diagnostic report shows exactly what used your battery — screen, Wi-Fi, apps, standby and more. It can also estimate your battery health (SOH), and it is completely free.
2. Glyf: Draw to Launch – Open Any App With One Gesture
Glyf lets you open anything with a quick drawing. Set a custom gesture — a letter, a star, any shape — and that app, shortcut, website or action launches the moment you draw it. Trigger it from a widget, the notification shade or a Quick Settings tile, and use it for the flashlight, camera, timers, Tasker tasks or multi-step Flows.
3. Obsidian Music – A Stunning Player for Your Own Music
Obsidian Music is a free, open-source player for the songs stored on your phone. It plays lossless FLAC files in full quality, imports YouTube playlists of 500+ tracks, and shows real-time synced lyrics over crisp, high-resolution album art. Grab the latest release (v2.5.1) from its official GitHub page.
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