Comparison

Ozlo Sleepbuds vs HappyRx

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

Head to head
About

Ozlo Sleepbuds

Tiny, ultra-comfy headphones designed for optimal sleep. They offer all-night battery, noise blocking, audio streaming, and biometric sensing. The companion app allows for personalized settings and sleep data reporting.

Highlights
  • Ultra-comfy, low-profile design
  • All-night battery life
  • Noise blocking sleep sounds
  • Stream any audio content
  • Personal in-ear alarm
  • Biometric sleep sensing
  • Phone-free operation
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.

About

HappyRx

Easily manage your daily medication schedule. Keep your lists current and accessible, with the ability to import data from JSON files. Share your medication details securely with healthcare providers and loved ones.

Highlights
  • Medication list management
  • JSON data import
  • Secure sharing options
  • Healthcare professional approved
  • Personalized tracking
Features
Read full description

Effortlessly keep your medication lists up to date, always at your fingertips. Seamlessly import your data from a JSON file for ultimate flexibility. Crafted with care and personally tested by me, this app is designed to simplify your healthcare experience, earning praise from medical professionals at every appointment. Share your medications with medical staff and those you trust with a share sheet, printing, messaging, emailing, etc.

Screenshots

Ozlo Sleepbuds4 screens
HappyRx4 screens

Verdict

The call

The clearest difference is monetization model: HappyRx at free against Ozlo Sleepbuds's free with in-app purchases. HappyRx also leads on rating (5.0 vs 4.7). Ozlo Sleepbuds's advantage is ratings volume (2.8K vs 1) and iOS requirement (18.0 vs 26.0). On price, update cadence, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

HappyRx holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Ozlo Sleepbuds has 2.8K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Ozlo Sleepbuds ships an update weekly, HappyRx every 5 days. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Ozlo Sleepbuds versus HappyRx: the parameters behind the verdict, then further details
ParameterOzlo SleepbudsHappyRx
PriceFreeFree
Rating4.7 (2.8K ratings)5.0 (1 ratings) — better
Positive reviews44.3% of reviews—
Number of ratings2.8K — better1
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS18.0 — better26.0
Further details — not scored
Size275 MB6 MB
Age rating12+12+
DeveloperDrowsy Digital Inc.Eric Dolecki

Customer experience

Ozlo Sleepbuds

All ratings2,765 ratings
Positive92.8%
Neutral1.7%
Negative5.5%
Written reviews384 reviews
Positive44.3%
Neutral13.5%
Negative42.2%

HappyRx

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

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

HappyRx

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Ozlo Sleepbuds

No in-app purchases

None

HappyRx

No in-app purchases

Questions

Is Ozlo Sleepbuds free?
Ozlo Sleepbuds is free to download, with no in-app purchases.
Is HappyRx free?
HappyRx is free to download, with no in-app purchases.
Which has better reviews, Ozlo Sleepbuds or HappyRx?
HappyRx is rated higher. Ozlo Sleepbuds averages 4.7 out of 5 from 2.8K ratings, while HappyRx averages 5.0 from 1 ratings.
Do Ozlo Sleepbuds or HappyRx have ads?
Neither Ozlo Sleepbuds nor HappyRx shows ads.
Which is updated more often, Ozlo Sleepbuds or HappyRx?
Ozlo Sleepbuds ships an update weekly, and HappyRx every 5 days. Most recently, Ozlo Sleepbuds was updated on October 27, 2026 and HappyRx on October 10, 2026.

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