# Ozlo Sleepbuds vs HappyRx

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.

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

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.

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

## The numbers

| Metric | Ozlo Sleepbuds | HappyRx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.8K ratings)](https://appshunter.io/ios/app/ozlo-sleepbuds/id6447005546/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/happyrx/id6748359662/reviews)** |
| Number of ratings | **2.8K** | 1 |
| Positive reviews | 44.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 275 MB | 6 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Drowsy Digital Inc.](https://appshunter.io/developer/1679994355) | [Eric Dolecki](https://appshunter.io/developer/347369705) |

## What reviewers say

### Ozlo Sleepbuds

[App page](https://appshunter.io/ios/app/ozlo-sleepbuds/id6447005546)

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

**In-app purchases:** none

**What reviewers like**

- 💤 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

**What reviewers complain about**

- 🔌 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

**Reported bugs**

- 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**

- 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

[App page](https://appshunter.io/ios/app/happyrx/id6748359662)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*