One Song

Nesin Technologies LLP

About this app

One song. Zero friction.

Pick a single audio file. Open the app — it plays instantly. Close it — it stops. That's it.

Built for parents who play the same lullaby every single night. No playlists. No libraries. No decisions to make when you're tired.

What you get

• Instant playback — Opens and auto-plays your song. No taps needed.
• Loops forever — Your song repeats until you say stop.
• Sleep timer — Set it and forget it. 5 to 60 minutes, your choice.
• Background audio — Music keeps playing while locked or in other apps.
• Notification controls — Play, pause, or stop from the lock screen.
• Remembers your song — Even if you move or rename the original file.

Perfect for

• Bedtime lullabies
• White noise loops
• Favorite songs on repeat

No ads. No subscriptions. No accounts. Just one song, always ready.

What’s new

Address minor bugs