# Harbor Sleep vs CYBEX

The clearest difference is review sentiment: Harbor Sleep at 91% against CYBEX's 13%. Harbor Sleep also leads on rating (4.8 vs 4.5) and update cadence (every 9 days vs every 4 weeks). CYBEX's advantage is in-app purchases (none vs 2) and ratings volume (1.2K vs 82). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Harbor Sleep sells 2 in-app purchases, starting at $14.99 per month. CYBEX asks for nothing beyond the download.

Harbor Sleep holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: CYBEX has 1.2K ratings behind it against 82, so its average is the more settled of the two. Written reviews point the same way: 91% of Harbor Sleep's written reviews are positive against 13% of CYBEX's.

Harbor Sleep ships an update every 9 days, CYBEX every 4 weeks. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Harbor Sleep | CYBEX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (82 ratings)](https://appshunter.io/ios/app/harbor-sleep/id1663617109/reviews)** | [4.5 (1.2K ratings)](https://appshunter.io/ios/app/cybex/id6474168019/reviews) |
| Number of ratings | 82 | **1.2K** |
| Positive reviews | **90.9% of reviews** | 13.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 105 MB | 138 MB |
| Requires iOS | 16.1 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Project Monitor, Inc.](https://appshunter.io/developer/1663617111) | [CYBEX GmbH](https://appshunter.io/developer/1720736547) |

## What reviewers say

### Harbor Sleep

[App page](https://appshunter.io/ios/app/harbor-sleep/id1663617109)

This app provides secure and reliable local communication with a baby monitor and camera. It ensures you stay connected even without internet and offers failsafe notifications for disconnections. Enjoy smart audio features and superior night vision for peace of mind.

**Highlights:** Local, encrypted communication, Works without internet, Failsafe disconnection alerts, Smart audio thresholds, 2K night vision, Reduced infrared light

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harbor AI | $14.99 | per month |
| Harbor AI - Yearly | $119.99 | per year |

**What reviewers like**

- 👍 Easy setup process
- 🌟 Great picture quality
- 📱 User-friendly app interface
- 🔌 No subscription fees
- 💬 Excellent customer support

**What reviewers complain about**

- 🐛 Randomly removes camera from network
- 🐛 Setup process gets stuck in loops
- 🐛 Forgets devices randomly
- 📉 Connectivity issues
- 📱 iPad app lacks landscape support

**Reported bugs**

- Camera randomly removed from network
- Unable to add camera back without tech support
- Tech support is unresponsive
- Update made camera unusable
- Setup process gets stuck in loops

**Requested features**

- iPad app needs landscape support


### CYBEX

[App page](https://appshunter.io/ios/app/cybex/id6474168019)

This app enhances the safety and functionality of smart baby products. It connects to monitoring systems for alerts on child safety and well-being, and unlocks features for smart strollers. Users can also register products and join a membership program.

**Highlights:** Child monitoring system alerts, Smart stroller rocking function, Product registration, CYBEX Club membership, Installation guidance and videos

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick alerts
- 👍 Useful for busy parents

**What reviewers complain about**

- 🐛 Constant false alarms
- 🔋 Drains data and battery
- 👎 Incompatible with existing SensorSafe devices
- 💤 Fails to send alerts when needed
- 🔒 Logging out issues and poor account management

**Reported bugs**

- Unable to create account or log in
- Fails to connect to SensorSafe clip
- E-Priam settings not working
- Inconsistent behavior and frequent crashes

**Requested features**

- Option to disable marketing notifications
- Improved Bluetooth connectivity and compatibility
- Better temperature monitoring and adjustment
- Seamless migration from old app to new app


## Frequently asked questions

### Is Harbor Sleep free?

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

### Is CYBEX free?

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

### Which has better reviews, Harbor Sleep or CYBEX?

Harbor Sleep is rated higher. Harbor Sleep averages 4.8 out of 5 from 82 ratings, while CYBEX averages 4.5 from 1.2K ratings.

### Do Harbor Sleep or CYBEX have ads?

Neither Harbor Sleep nor CYBEX shows ads.

### Which is updated more often, Harbor Sleep or CYBEX?

Harbor Sleep ships an update every 9 days, and CYBEX every 4 weeks. Most recently, Harbor Sleep was updated on October 22, 2026 and CYBEX on October 19, 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.*