Comparison

DIAMOND vs Halo Collar

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DIAMOND

This app allows users to easily set up and monitor their water treatment equipment. Users can control valve settings, view water usage, and initiate system cycles directly from their Bluetooth-enabled device.

Highlights
  • Control and monitor valve settings
  • View water usage information
  • Start regeneration/backwash cycles
  • Set dealer information
  • Basic troubleshooting
  • Connect to multiple valves
  • Update firmware
Features
Read full description

DIAMOND-LINQ makes setting up and monitoring your DIAMOND H2O water treatment equipment easier than ever before! When paired with a DIAMOND H2O valve, the user, through the app, can perform the following functions: • Control & monitor valve settings & status (i.e. set the time) • View & understand water usage information • Start regeneration or backwash cycle from your Bluetooth enabled device • Set / view the servicing water treatment dealer information • Comprehend & utilize basic trouble shooting techniques due to more customer friendly interface • Connect to all of your valves* in your system (DIAMOND H2O valve dependent*) • Update firmware

About

Halo Collar

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 from anywhere.

Highlights
  • Virtual fence creation
  • Expert dog training methods
  • Real-time safety tracking
  • Activity monitoring
  • Instant pet communication
  • Customizable feedback
Features
Read full description

Introducing Halo: the world’s greatest smart fence system. The virtual fences you create right in the app work with the revolutionary Halo Collar, and actually keep your dog safely inside. Halo also includes in-app expert training, using Cesar Millan's proven training methods, real-time safety and activity tracking, and instant communication with your dog anywhere to provide the best protection for your best friend—at home or on the go. Halo Fences The easiest fences you’ve ever set up: it’s as simple as tapping on your map in the Halo App, or by walking around the boundary you want to create using the Halo App and your Halo Collar. Halo Fences use world-class global satellite GPS & GNSS systems to locate your dog(s), and work autonomously to provide instant Prevention and Encouragement Feedback to keep them safely inside their smart fences, direct them back in if they leave, or call them back home wherever they are. Halo Fences are stored right inside the Halo Collar, and don’t rely on a cellular or Wi-Fi connection to work. If your dog approaches a Halo Fence boundary, they’ll instantly receive guidance to teach them where they can and cannot roam freely. Easy Setup, Unlimited Options No wires, no digging, and no hubs necessary. Halo Fences are created in the Halo App, then sent to and stored inside each Halo Collar. You can even create up to 20 unique Halo Fences virtually anywhere in the world. Finally, a fence that your dog can’t jump over, dig under, and that won’t let your dog run out of range, regardless of terrain, property ownership, and the size and shape of your fences. Intuitive Boundaries Halo Beacons are small Bluetooth beacons that communicate with your dog’s Halo Collar just like Halo Fences do. Place Halo Beacons indoors to keep your pup out of harm’s way from dangerous areas like stovetops, or off-limits areas like trash cans. Halo Beacons and Halo Fences provide instinct and consistent guidance from the Halo Collar, and can easily be managed right from the Halo App. Phone Notifications Stay up-to-date, but not on the edge of your seat. With in-app and push notifications, you’ll stay in the loop about your dog’s safety without having to worry that you’ll need to panic and rush to bring your escape artist back home. Completely Customizable Completely customize your dog’s feedback directly in the app. Preventions (Warning, Boundary, then Emergency) communicate the existence of a boundary that your dog should keep away from. Your pup will only receive Prevention Feedback while moving toward danger; as soon as they stop, turn around, or head back home, the Halo Collar’s advanced internal logic plays customizable Encouragements to tell your dog they’re doing a great job. It even automatically plays a Return Whistle to guide them back home! Revolutionary Training Learn Cesar Millan’s expert techniques to train your dog(s) to recognize boundaries. Cesar’s step-by-step instructions explain his world-renowned, proven methods that will give your dog the safest and most effective training experience anywhere—starting in your home before moving outside. Halo is your go-to pet parenting support that you can count on to give you peace of mind and an amazing relationship with your dog(s) Real-Time Safety Statuses No other collar does it all like Halo. Real-time safety statuses tell you whether your best friend is safe at a glance. And fast and accurate tracking via GPS & GNSS, Bluetooth, Wi-Fi, and cellular technology shows you what your pup is up to, even if you’re not around. Activity Tracking Activity tracking logs your dog’s location, number of walks per day, and time spent active, resting, or in the car. Keep up with how much exercise your dog is getting every day so you can stay on top of their health goals. Please visit www.halocollar.com for more information about the Halo Collar. Recommended minimum OS version is iOS 16.

Screenshots

DIAMOND4 screens
Halo Collar4 screens

Verdict

The call

The clearest difference is rating: DIAMOND at 4.7 against Halo Collar's 4.1. DIAMOND also leads on review sentiment (100% vs 70%) and device support (3 vs 1). Halo Collar's advantage is ratings volume (9.6K vs 94) and update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

DIAMOND holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Halo Collar has 9.6K ratings behind it against 94, so its average is the more settled of the two. Written reviews point the same way: 100% of DIAMOND's written reviews are positive against 70% of Halo Collar's.

UpkeepUpdate frequency

DIAMOND ships an update every 3 months, Halo Collar every 3 weeks. The most recent releases landed on October 29, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
DIAMOND versus Halo Collar: the parameters behind the verdict, then further details
ParameterDIAMONDHalo Collar
PriceFreeFree
Rating4.7 (94 ratings) — better4.1 (9.6K ratings)
Positive reviews100.0% of reviews — better69.6% of reviews
Number of ratings949.6K — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better16.0
Further details — not scored
Size23 MB324 MB
Age rating4+4+
DeveloperDiamond H2OProtect Animals With Satellites, LLC

Customer experience

DIAMOND

All ratings66 ratings
Positive92.4%
Neutral1.5%
Negative6.1%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Halo Collar

All ratings9,619 ratings
Positive77.6%
Neutral3.9%
Negative18.5%
Written reviews1,621 reviews
Positive69.6%
Neutral5.7%
Negative24.7%

Bugs and requests

DIAMOND

Not enough reviews yet to summarise bugs or requests.

Halo Collar

Reported bugs

4 issues
  • GPS inaccuracies
  • Collar malfunctions
  • Connectivity issues
  • Battery life problems

Requested features

2 requests
  • Custom No Go Zones
  • Remote control option

In-app purchases

None

DIAMOND

No in-app purchases

None

Halo Collar

No in-app purchases

Questions

Is DIAMOND free?
DIAMOND 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, DIAMOND or Halo Collar?
DIAMOND is rated higher. DIAMOND averages 4.7 out of 5 from 94 ratings, while Halo Collar averages 4.1 from 9.6K ratings.
Do DIAMOND or Halo Collar have ads?
Neither DIAMOND nor Halo Collar shows ads.
Which is updated more often, DIAMOND or Halo Collar?
DIAMOND ships an update every 3 months, and Halo Collar every 3 weeks. Most recently, DIAMOND was updated on October 29, 2026 and Halo Collar on November 2, 2026.

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