# SlimNation vs Halo Collar

The clearest difference is review sentiment: Halo Collar at 70% against SlimNation's 0%. Halo Collar also leads on rating (4.1 vs 3.0) and update cadence (every 3 weeks vs every 4 months). SlimNation's advantage is monetization model (free vs paid). On price, ads, in-app purchases and device support there is nothing between them.

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

Halo Collar holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: Halo Collar has 9.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of SlimNation's written reviews are positive against 70% of Halo Collar's.

SlimNation ships an update every 4 months, Halo Collar every 3 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SlimNation | Halo Collar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/slimnation/id1168908136/reviews) | **[4.1 (9.6K ratings)](https://appshunter.io/ios/app/halo-collar/id1476830649/reviews)** |
| Number of ratings | 2 | **9.6K** |
| Positive reviews | 0.0% of reviews | **69.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 22 MB | 332 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rob Nevins](https://appshunter.io/developer/650818303) | [Protect Animals With Satellites, LLC](https://appshunter.io/developer/1476830648) |

## What reviewers say

### SlimNation

[App page](https://appshunter.io/ios/app/slimnation/id1168908136)

This app provides personalized meal plans and activity tracking, guided by a nutrition counselor. Log your food and workouts to monitor progress against your health and weight goals. Sync with wearable devices for comprehensive activity data.

**Highlights:** Personalized meal plans, Grocery list generation, Food and activity logging, Calorie and weight goal tracking, Wearable device integration (Apple Watch), Data synchronization with cloud account

**Features:** macOS Compatibility

**In-app purchases:** none


### Halo Collar

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

This smart collar system creates virtual fences using GPS and beacons to keep your dog safely contained. It offers real-time activity tracking, training guidance from Cesar Millan, and customizable feedback to ensure your dog's safety and well-being.

**Highlights:** Virtual fence creation via app, GPS and GNSS satellite location, Cesar Millan expert training methods, Real-time safety and activity tracking, Customizable feedback and alerts, Indoor boundary setting with beacons

**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 SlimNation free?

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

### Is Halo Collar free?

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

### Which has better reviews, SlimNation or Halo Collar?

Halo Collar is rated higher. SlimNation averages 3.0 out of 5 from 2 ratings, while Halo Collar averages 4.1 from 9.6K ratings.

### Do SlimNation or Halo Collar have ads?

Neither SlimNation nor Halo Collar shows ads.

### Which is updated more often, SlimNation or Halo Collar?

SlimNation ships an update every 4 months, and Halo Collar every 3 weeks. Most recently, SlimNation was updated on October 24, 2026 and Halo Collar on October 26, 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.*