Comparison

SleepStream 2 Ultimate vs Ozlo Sleepbuds

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SleepStream 2 Ultimate

This app provides a comprehensive suite of tools to enhance sleep and relaxation. It offers a variety of calming sounds, guided meditations, and visual experiences designed to help users unwind and achieve restful sleep.

Highlights
  • Quality audio with calming sounds
  • Guided meditations and music
  • Breathtaking visualizations and moodlights
  • Binaural & Isochronic brainwave programs
  • Unique audio engine for sound mixing
  • AirPlay support
Features
Read full description

Whether you sleep to dream, rest to recharge, or simply nap just to get by, the hours you spend in bed are probably the most important hours of the day. Recognized as the premier sleep and relaxation aid, SleepStream 2 has been recommended by 148Apps, Dr. Oz, iPhonefreak, Health Magazine, TVN, The Daily App Show, Appolicious and thousands of satisfied customers. Think about the difficulties you’ve had trying to sleep. Maybe you were battling a wired mind, racing through a million different thoughts; or perhaps trying to drown out the sound of an unsettled baby, crying from a nearby airplane seat. In a life full of distractions like these, all you’d like is a window of peace and quiet – or at least a few hours of undisturbed rest and relaxation. Thankfully, SleepStream 2 not only assists in capturing a full night’s slumber, but it does so in a way that results in an absolute bodily recharge everytime you close your eyes. Main features: - 8 Hours of Quality Audio Each of SleepStream’s calming sounds or piece of music has been handpicked and carefully crafted to remove irritating frequencies and volume inconsistencies. - Guided Meditations & Music Sometimes you need just a little bit more to shake the stress of a long, hard day. So, SleepStream 2 now has the ability to mix background sounds with guided meditations and music. Including four guided meditations for sleep, relaxation, motivation and energy, and hours of calming, soul-soothing music. - Breathtaking Visualizations, Wallpapers & Moodlights, SleepStream 2 gives you a complete visual getaway, thanks to the scenic pictures and video loops that can be viewed while listening to the app’s audio programs. Visualizations now include a new moodlight feature, where randomly generated plasma images flow across the screen in a harmony of colors and textures. You’ll have no choice but to drift into a world of relaxation. - 140 Binaural & Isochronic Brainwave Programs – 15 Categories To stimulate the brain’s activity associated with relaxation, sleep and focused states of being, SleepStream 2 also offers 140 specially designed brainwave programs for a full and complete, integrated sound experience. SleepStream’s 15 brainwave categories include sleep, relaxation, energy, focus, meditation, hypnosis, learning, mood, motivation, creativity, lucid dreaming & more. - Unique Audio Engine & Sound Generators Sleepstream’s audio engine randomly combines hundreds of different sounds, giving you a new experience everytime the app is used. Mix background sounds, music, guided meditations and brainwave programs in any combination for maximum relaxation, night after night. - AirPlay Support Play SleepStream audio on AirPlay enabled speakers and receivers. - Best of All: All Present and Future Premium Downloads are Free! Our loyal Sleepstream users tell us that they don´t want to pay for downloads! We listened! Sleepstream 2 Ultimate buys you the latest version of SleepStream 2 for both iPhone and iPad, and all present and future premium downloads are free – a saving of $23 compared to obtaining the downloads through in-app purchases in the other SleepStream 2 versions. - Many Uses – Even When You’re Awake! Equipped with functional timer, SleepStream makes it easy to enjoy power naps. Just engage the timer and alarm, and SleepStream will gently wake you after your session has ended. But don’t stop there – the app is also perfect for relaxation, meditation, noise masking, yoga, and pure enjoyment. SleepStream 2 was developed in conjunction with recognized sleep and relaxation experts, certified hypnotherapists and trained audio professionals to ensure a soothing sleep experience that is difficult to attain through traditional means. Don’t let the stress of everyday life get the best of you, depriving you of your ability to focus, relax, and most importantly rest - get Sleepstream 2 Ultimate today and be refreshed and ready for tomorrow.

About

Ozlo Sleepbuds

Tiny, comfortable earbuds designed for sleep. They offer all-night battery, noise blocking, and audio streaming. The companion app personalizes settings and provides sleep data reports.

Highlights
  • Ultra-comfy, low-profile design
  • All-night battery life (up to 14 hours)
  • Noise blocking for disruptive sounds
  • Bluetooth audio streaming
  • Personal in-ear alarm
  • Sleep modes and timer
  • Sleep pattern and environmental insights
Features
Read full description

Ozlo Sleepbuds® 2 are tiny, ultra-comfy earbuds designed to give you the best sleep of your life. They come with all-night battery life, noise blocking, audio streaming, and biometric sensing. The Ozlo app allows you to personalize your Sleepbuds experience, with controls for all your important settings and reports for your sleep data. LUXURIOUS COMFORT Sleepbuds are surrounded with super soft, squishy silicone tips for unparalleled all-night comfort, even for side sleepers. And they're specifically designed to be low profile, so they don't stick out causing undue pressure on your ear like other earbuds. LONG BATTERY LIFE Sleepbuds can play for up to 14 hours for all-night noise masking or streaming. The Smart Case can provide 2-3 additional charges so you can take it with you anywhere you go. SOUND, DESIGNED FOR SLEEP Sleepbuds come with precisely tuned sound that helps to reduce the impact of disruptive noise like snoring, traffic, pets, and noisy neighbors. BLUETOOTH STREAMING Your bedtime routine, your way. Stream music, podcasts, audiobooks, and soundscapes that help you relax before falling asleep. PERSONAL IN-EAR ALARM Sleepbuds private in-ear alarm gently wakes you through your Sleepbuds instead of filling the room with sound. SLEEP MODES Choose how your Sleepbuds transition into your Sleep Sound throughout the night. Whether you prefer it to start immediately, after a timer, when you fall asleep, or after streaming ends, there’s a mode that fits your routine.ontrol how your Sleep Sound works through the night. PHONE-FREE CONTROLS The new Smart Case button gives you quick, simple control over your Sleepbuds without needing to reach for your phone in the dark. TIMER Automatically turns off streaming audio or Sleep Sounds after a set amount of time, so your audio doesn't need to play all night long. SLEEP PATTERNS See how your sleep improves over time with insights into your duration, consistency, and efficiency. ENVIRONMENTAL SENSORS Discover what shapes your sleep. Your Smart Case tracks your room’s noise, light, and temperature to reveal how your environment affects your sleep over time.

Screenshots

SleepStream 2 Ultimate4 screens
Ozlo Sleepbuds4 screens

Verdict

The call

The clearest difference is price: Ozlo Sleepbuds at Free against SleepStream 2 Ultimate's $9.99. Ozlo Sleepbuds also leads on update cadence (weekly vs every 2 months) and rating (4.7 vs 4.5). SleepStream 2 Ultimate's advantage is review sentiment (81% vs 44%) and iOS requirement (9.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Ozlo Sleepbuds is free to download; SleepStream 2 Ultimate costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ozlo Sleepbuds holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Ozlo Sleepbuds has 2.8K ratings behind it against 188, so its average is the more settled of the two. Written reviews complicate that: 81% of SleepStream 2 Ultimate's written reviews are positive against 44% of Ozlo Sleepbuds's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

SleepStream 2 Ultimate ships an update every 2 months, Ozlo Sleepbuds weekly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
SleepStream 2 Ultimate versus Ozlo Sleepbuds: the parameters behind the verdict, then further details
ParameterSleepStream 2 UltimateOzlo Sleepbuds
Price$9.99Free — better
Rating4.5 (188 ratings)4.7 (2.8K ratings) — better
Positive reviews81.4% of reviews — better44.4% of reviews
Number of ratings1882.8K — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better18.0
Further details — not scored
Size32 MB275 MB
Age rating12+12+
DeveloperExplosive AppsDrowsy Digital Inc.

Customer experience

SleepStream 2 Ultimate

All ratings188 ratings
Positive85.6%
Neutral3.2%
Negative11.2%
Written reviews194 reviews
Positive81.4%
Neutral5.2%
Negative13.4%

Ozlo Sleepbuds

All ratings2,803 ratings
Positive92.8%
Neutral1.7%
Negative5.5%
Written reviews385 reviews
Positive44.4%
Neutral13.5%
Negative42.1%

User reviews

SleepStream 2 Ultimate

From 188 App Store ratings

What we love

  • 👍 Helps with sleep, relaxation, and focus
  • 🚀 Customizable sound options
  • 💡 Variety of binaural beats and overlays
  • 👍 Useful for meditation and anxiety reduction
  • 👍 Helps with tinnitus and headaches

Room to improve

  • 🐛 Crashes when trying to download additional content
  • 🔍 App not updated in years, feels outdated
  • 💰 Expensive for an app that hasn't been updated
  • 🔍 Scaling issues on iPad Pro
  • 🔍 Difficulty navigating and selecting options

Ozlo Sleepbuds

From 2.8K App Store ratings

What we love

  • 💤 Comfortable for side sleeping
  • 🌙 Helps with sleep and tinnitus
  • 🔕 Blocks out noise like snoring
  • 🕰️ Alarm wakes user without disturbing partner
  • 🔊 Good sound quality and variety of sleep sounds

Room to improve

  • 🔌 Battery life issues, drains quickly
  • 📶 Bluetooth connectivity problems, frequent disconnections
  • 🤖 Glitchy app with stability and UX problems
  • 🔊 Limited volume control and sound options
  • ⚠️ Mandatory updates cause disruptions

Bugs and requests

SleepStream 2 Ultimate

Reported bugs

3 issues
  • Crashes when trying to download additional content
  • Scaling issues on iPad Pro
  • Difficulty navigating and selecting options

Requested features

5 requests
  • Longer timer options (up to 8 hours)
  • Sleep analysis and tracking features
  • More guided meditations and new sound content
  • Ability to import custom music/sounds
  • Airplay and Bluetooth speaker support

Ozlo Sleepbuds

Reported bugs

4 issues
  • Earbuds not charging properly in case
  • Sync issues between left and right earbuds
  • App fails to connect or update firmware
  • Sleep timer function is not working as expected

Requested features

4 requests
  • Allow custom sleep sounds and playlists
  • Add phone-free mode to use without app
  • Improve alarm features to work with phone alarms
  • Expand sound library with more options like nature sounds

In-app purchases

None

SleepStream 2 Ultimate

No in-app purchases

None

Ozlo Sleepbuds

No in-app purchases

Questions

Is SleepStream 2 Ultimate free?
SleepStream 2 Ultimate costs $9.99, with no in-app purchases.
Is Ozlo Sleepbuds free?
Ozlo Sleepbuds is free to download, with no in-app purchases.
Which has better reviews, SleepStream 2 Ultimate or Ozlo Sleepbuds?
Ozlo Sleepbuds is rated higher. SleepStream 2 Ultimate averages 4.5 out of 5 from 188 ratings, while Ozlo Sleepbuds averages 4.7 from 2.8K ratings.
Do SleepStream 2 Ultimate or Ozlo Sleepbuds have ads?
Neither SleepStream 2 Ultimate nor Ozlo Sleepbuds shows ads.
Which is updated more often, SleepStream 2 Ultimate or Ozlo Sleepbuds?
SleepStream 2 Ultimate ships an update every 2 months, and Ozlo Sleepbuds weekly. Most recently, SleepStream 2 Ultimate was updated on November 1, 2026 and Ozlo Sleepbuds on November 3, 2026.

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