# Sleep Fan vs Halo Collar

The clearest difference is rating: Sleep Fan at 4.8 against Halo Collar's 4.1. Sleep Fan also leads on device support (3 vs 1) and ratings volume (37K vs 9.7K). Halo Collar's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, review sentiment, update cadence and iOS requirement there is nothing between them.

Both are free to download. Sleep Fan sells 2 in-app purchases, starting at $1.99 per month. Halo Collar asks for nothing beyond the download.

Sleep Fan holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 37K and 9.7K respectively. Written reviews point the same way: 72% of Sleep Fan's written reviews are positive against 70% of Halo Collar's.

Sleep Fan ships an update every 6 weeks, Halo Collar every 3 weeks. Both last shipped on November 10, 2026.

## The numbers

| Metric | Sleep Fan | Halo Collar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (37K ratings)](https://appshunter.io/ios/app/sleep-fan/id492869515/reviews)** | [4.1 (9.7K ratings)](https://appshunter.io/ios/app/halo-collar/id1476830649/reviews) |
| Number of ratings | **37K** | 9.7K |
| Positive reviews | **72.4% of reviews** | 69.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Freemium | **Free** |
| Size | 191 MB | 324 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tattlebee](https://appshunter.io/developer/401461413) | [Protect Animals With Satellites, LLC](https://appshunter.io/developer/1476830648) |

## What reviewers say

### Sleep Fan

[App page](https://appshunter.io/ios/app/sleep-fan/id492869515)

This app provides a simple and effective way to fall asleep faster and stay asleep longer. It offers various calming sounds and customizable timers, with premium features like sleep tracking and additional audio options.

**Highlights:** White noise and calm sleep sounds, Customizable timer, Alarm clock with snooze, Sleep tracking (premium), Additional sounds (premium), Binaural beats (premium)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Account | $1.99 | per month |
| Premium Account | $14.99 | per year |

**What reviewers like**

- 💤 Helps with sleep
- 🔊 Realistic fan sounds
- 🕰️ Timer feature
- 🧳 Useful for travel
- 🆓 Free app

**What reviewers complain about**

- 🔇 Stops playing when phone is locked or app is minimized
- 🔋 Battery drain issues
- 🔊 Loud ads disrupt sleep
- 🔍 Ads difficult to close

**Reported bugs**

- App stops playing randomly
- Overheating issues with prolonged use

**Requested features**

- No timer option for continuous playback
- Ability to play in background even with phone locked


### Halo Collar

[App page](https://appshunter.io/ios/app/halo-collar/id1476830649)

This app manages a smart collar system that creates virtual fences to keep dogs safely contained. It offers expert training, real-time activity tracking, and instant communication with your pet, providing peace of mind for owners.

**Highlights:** Virtual fence creation, Expert dog training methods, Real-time safety tracking, Activity monitoring, Instant pet communication, Customizable feedback

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Best thing I've ever bought!
- 🔒 Great Service
- 👍 Problem Solved!
- 👍 Great for larger properties!
- 👍 Life savers

**What reviewers complain about**

- 🐛 Loses connection
- 🐛 Awful.
- 🐛 Good, not great
- 🔋 I wish the 'zap' was stronger.
- 🐛 Mediocre at best

**Reported bugs**

- GPS inaccuracies
- Collar malfunctions
- Connectivity issues
- Battery life problems

**Requested features**

- Custom No Go Zones
- Remote control option


## Frequently asked questions

### Is Sleep Fan free?

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

### Is Halo Collar free?

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

### Which has better reviews, Sleep Fan or Halo Collar?

Sleep Fan is rated higher. Sleep Fan averages 4.8 out of 5 from 37K ratings, while Halo Collar averages 4.1 from 9.7K ratings.

### Do Sleep Fan or Halo Collar have ads?

Sleep Fan shows ads; Halo Collar does not.

### Which is updated more often, Sleep Fan or Halo Collar?

Sleep Fan ships an update every 6 weeks, and Halo Collar every 3 weeks. Most recently, Sleep Fan was updated on November 10, 2026 and Halo Collar on November 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.*