# Ozlo Sleepbuds vs Arkhè

The clearest difference is in-app purchases: Ozlo Sleepbuds at none against Arkhè's 10. Arkhè's advantage is update cadence (every 2 days vs weekly) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Arkhè sells 10 in-app purchases, starting at $1.00 per year. Ozlo Sleepbuds asks for nothing beyond the download.

Ozlo Sleepbuds ships an update weekly, Arkhè every 2 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ozlo Sleepbuds | Arkhè |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.8K ratings)](https://appshunter.io/ios/app/ozlo-sleepbuds/id6447005546/reviews)** | — |
| Number of ratings | **2.8K** | — |
| Positive reviews | 44.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 275 MB | 47 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Drowsy Digital Inc.](https://appshunter.io/developer/1679994355) | [ARKHE' SRL](https://appshunter.io/developer/1892966612) |

## 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


### Arkhè

[App page](https://appshunter.io/ios/app/arkhe/id6762113334)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tier 37 Yearly | $1.00 | per year |
| Tier 9 Monthly | $44.99 | per month |
| Tier 13 Monthly | $64.99 | per month |
| Tier 38 Yearly | $239.99 | per year |
| Tier 39 Yearly | $359.99 | per year |
| Program Tier 32 | $279.99 | one-time |
| Program Tier 33 | $329.99 | one-time |
| Program Tier 34 | $379.99 | one-time |
| Program Tier 35 | $429.99 | one-time |
| Program Tier 36 | $479.99 | one-time |


## Frequently asked questions

### Is Ozlo Sleepbuds free?

Ozlo Sleepbuds is free to download, with no in-app purchases.

### Is Arkhè free?

Arkhè is free to download, with in-app purchases available.

### Do Ozlo Sleepbuds or Arkhè have ads?

Neither Ozlo Sleepbuds nor Arkhè shows ads.

### Which is updated more often, Ozlo Sleepbuds or Arkhè?

Ozlo Sleepbuds ships an update weekly, and Arkhè every 2 days. Most recently, Ozlo Sleepbuds was updated on October 30, 2026 and Arkhè on October 25, 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.*