Software
Release Notes

Sleepbuds iOS App Android App
ios app

September 08, 2026

iOS 2.65

This Update Is All About Sound
We’ve made it easier to discover, manage, and preview your sounds.

Transfer Multiple Sounds at Once
Choose up to 9 Sleep Sounds and 2 Alarm Sounds to replace and transfer to your Sleepbuds, all at once.

Meet Sound Explorer
An immersive, full-screen way to explore our entire sound library. Simply swipe up and down to discover and preview the perfect sound for you.

Local Sounds Are Back
Review exactly which sounds are stored on your Sleepbuds, now in their own section on the Sounds tab.

Better Alarm Previews
Alarm previews now accurately reflect how loud your alarm will play in the morning.

July 28, 2026

iOS 2.62

What’s New
Welcome to our biggest update yet!

 

Introducing Sleepbuds 2

Our most advanced Sleepbuds yet. Purchase Sleepbuds 2 to experience:
• Up to 14 hours of battery life
• Refined sound and enhanced audio tuning
• Sleep Shield to help prevent your phone’s audio from interrupting your sleep.
• New bedside controls with the Smart Case button

 

Completely Redesigned App
We’ve refreshed the app with calming new colors, updated branding, and a simpler interface that’s easier to navigate.

 

New Sleep Modes
Customize how your Sleep Sound works throughout the night with flexible new Sleep Modes designed around your bedtime routine.

 

More Sounds
Enjoy 4 new alarm sounds, over 60 Sleep Sounds, and our new Nocturnes collection. These gentle musical pieces create a calm, reflective atmosphere with soft, flowing melodies that help quiet the mind and ease you into restful sleep.

 

Sleep Patterns Is Here
Sleep Patterns is officially out of beta! Thank you to everyone who helped test the feature and shared feedback. Your input helped shape this release, and we’re already working on even more improvements coming in the months ahead.

 

Thank you for being part of the Ozlo community. Sleep well.

April 09, 2026

iOS 1.53.3

What’s NewYou can now set your Auto-Play delay anywhere from 1 to 120 mines, so your sleep sound starts exactly when your content ends.

Also, bug fixes that help smooth our your experience with Sleepbuds. To make sure that you don't miss a thing, just to keep your updates turned on.

March 11, 2026

iOS 1.52.2

Digital Twin
Your Sleepbuds now have a live, animated representation right in the app. The new digital twin mirrors the actual state of your device in real time, reflecting things like whether the case is open or closed, whether the earbuds are seated or removed, and more. You always know exactly what's going on at a glance.

Battery Indicators
We've completely redesigned the battery status display.

You can now see at a glance whether your Sleepbuds are charging via USB or from the internal case battery, and which components are actively receiving charge. This update also gives you better visibility into how charging is prioritized to support long-term battery health.

Connection Flow
Pairing and reconnecting now provides real-time visual feedback powered by the new digital twin, so you can follow along with each step of the connection process as it happens.

Plus bug fixes that help smooth out your experience with the Sleepbuds. To make sure that you don't miss a thing, just keep your updates turned on.

February 25, 2026

iOS 1.49

What’s New• Updated design using iOS 26 Liquid Glass for a more fluid, modern experience.• Added immersive video backgrounds for sounds and alarms.• You can now scrub environment sensor data directly within individual sleep sessions.• Integrated Sleep Sound volume and immerse videos into the refreshed mini player on the Sleepbuds tab.• Visit the Account tab to see the latest referral offers.• General bug fixes and performance improvements.

ImportantThis is the final release supporting iOS 17.Please update to a newer version of iOS to continue receiving future updates

November 06, 2025

iOS 1.43.0

May 07, 2025

iOS 1.30

  • We're excited to unveil a new Sleep Sound experience—Soundscapes! These calming sounds immerse you in relaxing environments, making it easier to fall and stay asleep all night long.
  • You can now browse all our Ozlo products and accessories within the Account tab. (US Only)
Plus bug fixes that help smooth out your experience with the Sleepbuds. To make sure that you don’t miss a thing, just keep your updates turned on.

April 10, 2025

iOS 1.28

This month we have added 2 NEW Sleep Sounds. (Air Waves & Gentle Ocean). We are also including a new Alarm Sound that will be sure to wake you up called "Wake Up!"

Plus, bug fixes that help smooth out your experience with the Sleepbuds. To make sure that you don’t miss a thing, just keep your updates turned on.

March 05, 2025

iOS 1.26.0

NEW "Sounds" tab

• View the Sleep Sounds and Alarm Sounds that are currently stored on your Sleepbuds.

• Browse 10 new Sleep Sounds (including "Warm Glow") and 3 new Alarm Sounds.

• Tap the add button to transfer a new sound to your Sleepbuds.

 

Plus additional bug fixes that help smooth out your experience with the Sleepbuds. To make sure that you don’t miss a thing, just keep your updates turned on.

October 02, 2024

iOS 1.15.1

HOTFIX: Swiping on player screen now works as expected and other small adjustments.

  • Volume control is now more fluid and adjusts in real time. It's also larger, easier to use, and shows the percent of volume you have it set to.
  • Added support for "When I Fall Asleep" feature. (Feature will be included in next firmware update!!) New and improved User Guide.
  • New "Connect Sleepbuds" section in the Need Help overlay.
  • The Smart Case icon will now accurately display when you have the case lid open or closed. (Tip: It's best to keep it closed when you are using the Sleepbuds)
  • Added support for Dark and Tinted App Icon in iOS 18

Plus additional bug fixes that help smooth out your experience with the Sleepbuds. To make sure that you don’t miss a thing, just keep your Updates turned on.

October 01, 2024

iOS 1.15.0

  • Volume control is now more fluid and adjusts in real time. It's also larger, easier to use, and shows the percent of volume you have it set to.
  • Added support for "When I Fall Asleep" feature. (Feature will be included in next firmware update!!) New and improved User Guide.
  • New "Connect Sleepbuds" section in the Need Help overlay.
  • The Smart Case icon will now accurately display when you have the case lid open or closed. (Tip: It's best to keep it closed when you are using the Sleepbuds)
  • Added support for Dark and Tinted App Icon in iOS 18

Plus additional bug fixes that help smooth out your experience with the Sleepbuds. To make sure that you don’t miss a thing, just keep your Updates turned on.

September 03, 2024

iOS 1.12.0

Added control for which push notifications you would like to see.

Plus additional bug fixes that help smooth out your experience with the Sleepbuds. To make sure that you don’t miss a thing, just keep your Updates turned on.