Comparison

iAquaLink vs Control4 for OS 3

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

Head to head
About

iAquaLink

Control and monitor your swimming pool equipment remotely from your mobile device. Adjust settings like pump speed, temperature, and lighting, and automate cleaning schedules. Offers comprehensive management for various pool systems and accessories.

Highlights
  • Remote pool equipment monitoring and control
  • Schedule and operate pumps
  • Control pool and spa heating
  • Automate pool lighting
  • Manage saltwater chlorinators
  • On-demand robotic pool cleaner control
  • Temperature monitoring and adjustment
Features
Read full description

Pool Control in the Palm of your Hand With iAquaLink, you can monitor and control a full range of industry-leading swimming pool equipment anytime, anywhere. iAquaLink offers the ultimate in intelligent pool control from a mobile device - empowering pool owners and professionals to create the perfect pool experience on-site or on-the-go. SUPPORTED EQUIPMENT AquaLink TCX | Pool or Spa Automation Quick, Easy Smart Pool Upgrade:: • Schedule and operate Jandy or Pentair VS Pumps
 • Heat your Pool or Spa with Gas Heat, Heat Pump, and Solar Heat
 • Easily automate lights with wireless switch support
 • Smart communication with Saltwater Chlorinators
 • Feature Circuits for simple water feature setup
 • Use Bluetooth for full setup and operation when Internet is unavailable
 AquaLink RS, PDA, Z4 | Pool & Spa Automation Anytime, Anywhere Control: • Heat up your Spa, adjust sanitizer generation, even manage multiple pools
 • Control up to 32 pool/spa features including lights, waterfalls, and jets
 • Set the mood automatically with OneTouch Scene selection
 iQPUMP01 | Variable-Speed Pump Control Optimize Pump Operation: • Set custom pump speeds
 • Set custom schedules
 • Monitor power usage
 ALPHA, VRX, EPIC, Evo and 9 series | Robotic Pool Cleaner On demand Cleaning: • Wi-Fi connectivity – control from anywhere, at any time
 • Cleaning modes selection
 • Remote control mode*
 • Easy Lift removal system*
 *Features vary by model Z400iQ, Z550iQ | Connected Heat Pump Optimized Temperature Control: • Air and water temperature monitoring
 • Set custom temperatures for heating and cooling
 • Mode Selection
 eXO iQ / Hydroxinator iQ / Duo iQ | Salt Water Chlorinator
All-in-one water quality control: • Automatic maintenance of water balance (with optional pH Link or Dual Link modules)
 • Control of the filtration pump (single speed or Zodiac variable speed)
 • Control of heating system
 • Control of pool lights (white or Zodiac color Led)
 • Hydroxinator iQ model delivers magnesium-based water treatment for an unparalleled bathing experience

About

Control4 for OS 3

Transform your iPhone or iPad into a personal interface for your smart home. Control all connected devices, including lights, thermostats, security, and media, with a redesigned, personalized experience. Requires a Control4 Smart Home OS 3 system.

Highlights
  • Personalized user interface
  • Control lights, thermostats, security
  • Manage music and video
  • Access favorites and room-specific settings
  • Intuitive volume control
  • Customizable room wallpapers
Features
Read full description

This Control4 app is specifically designed to be used with Control4 Smart Homes running OS 3. It turns your iPhone or iPad into your personal user interface to control all your smart home devices. ------------ NOTE: Prior to using this app, your Control4 system must be updated to Control4 Smart Home OS 3 or later. If you are unsure of the software version on your system, check with your Control4 Dealer or login to your Control4 account at control4.com. ------------ Smart Home OS 3 was thoughtfully redesigned to make it more personal and the smart home OS of choice for families. It enables you to check on the status and control your entire smart home including music, video, lights, thermostats, security system, cameras, door locks, garage doors, pools, and much more. New features in OS 3 • Favorites give you fast access to the devices and sources that you use most • Quickly personalize the interface right from the app • Each room can have its own favorites for fast access to the things you use most • Hide icons that are less important, but easily access them through the room menu • Swipe between favorite rooms to quickly navigate around the home • Filtering lets you see all lights, locks and shades, or just those that are on, unlocked or open • All-new Active Media Bar shows what’s currently playing and gives you fast control of media • Easily adjust volume through a new, intuitive volume slider control • Background wallpapers for each room can now be easily changed right from the app Visit Control4.com to learn more, find a showroom near you, or find a independent professional integrator.

Screenshots

iAquaLink4 screens
Control4 for OS 34 screens

Verdict

The call

The clearest difference is rating: iAquaLink at 4.7 against Control4 for OS 3's 3.0. iAquaLink also leads on ratings volume (101K vs 576) and iOS requirement (13.2 vs 18.0). Control4 for OS 3's advantage is monetization model (free vs free with in-app purchases) and update cadence (fortnightly vs every 2 months). On price, review sentiment, ads and in-app purchases 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

iAquaLink holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: iAquaLink has 101K ratings behind it against 576, so its average is the more settled of the two. Written reviews point the same way: 28% of iAquaLink's written reviews are positive against 22% of Control4 for OS 3's.

UpkeepUpdate frequency

iAquaLink ships an update every 2 months, Control4 for OS 3 fortnightly. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

Scorecard5 real differences · 5 level
iAquaLink versus Control4 for OS 3: the parameters behind the verdict, then further details
ParameteriAquaLinkControl4 for OS 3
PriceFreeFree
Rating4.7 (101K ratings) — better3.0 (576 ratings)
Positive reviews28.2% of reviews — better21.8% of reviews
Number of ratings101K — better576
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS13.2 — better18.0
Further details — not scored
Size41 MB207 MB
Age rating4+4+
DeveloperZodiac Pool Systems, Inc.Snap One, LLC

Customer experience

iAquaLink

All ratings100,051 ratings
Positive93.0%
Neutral2.4%
Negative4.6%
Written reviews603 reviews
Positive28.2%
Neutral12.1%
Negative59.7%

Control4 for OS 3

All ratings573 ratings
Positive46.4%
Neutral7.7%
Negative45.9%
Written reviews275 reviews
Positive21.8%
Neutral7.6%
Negative70.5%

User reviews

iAquaLink

From 101K App Store ratings

What we love

  • 🚀 Easy to control pool and spa remotely
  • 👍 Convenient for monitoring pool status
  • 💡 Good integration with Alexa
  • 🔒 Reliable connectivity when hardwired

Room to improve

  • 🐛 Frequent connectivity issues and app crashes
  • 👎 Limited functionality in the app compared to web interface
  • 💤 Slow response times and laggy performance
  • 🤯 Confusing and outdated user interface

Control4 for OS 3

From 576 App Store ratings

What we love

  • 🚀 Responsive and fast
  • 🌟 Elegant and modern UI
  • 🔒 Robust security features
  • 👍 Customizable and personalized
  • 🎨 Improved visual design

Room to improve

  • 🐛 Frequent crashes and bugs
  • ⏱️ Slow load times and reconnections
  • 🔌 Unreliable connectivity
  • 🤖 Lacking integration with smart home platforms
  • 💰 Expensive and costly to maintain

Bugs and requests

iAquaLink

Reported bugs

4 issues
  • App freezes and loses connection to pool equipment
  • Inability to re-add previously connected devices
  • Unreliable firmware updates causing issues
  • Inconsistent display of pool status and settings

Requested features

4 requests
  • Customizable dashboard and one-touch controls
  • Notifications for pool events (e.g., robot full, temperature reached)
  • Improved scheduling and automation options
  • Better integration with smart home platforms

Control4 for OS 3

Reported bugs

5 issues
  • Intercom and doorbell issues
  • Thermostat controls not working as expected
  • Inability to connect to the system remotely
  • Compatibility problems with newer iOS versions
  • Unexpected app crashes and freezes

Requested features

5 requests
  • Apple Watch app support
  • Better integration with Apple ecosystem
  • Improved voice control and Alexa integration
  • More customization options for users
  • Faster and more responsive app performance

In-app purchases

None

iAquaLink

No in-app purchases

None

Control4 for OS 3

No in-app purchases

Questions

Is iAquaLink free?
iAquaLink is free to download, with no in-app purchases.
Is Control4 for OS 3 free?
Control4 for OS 3 is free to download, with no in-app purchases.
Which has better reviews, iAquaLink or Control4 for OS 3?
iAquaLink is rated higher. iAquaLink averages 4.7 out of 5 from 101K ratings, while Control4 for OS 3 averages 3.0 from 576 ratings.
Do iAquaLink or Control4 for OS 3 have ads?
Neither iAquaLink nor Control4 for OS 3 shows ads.
Which is updated more often, iAquaLink or Control4 for OS 3?
iAquaLink ships an update every 2 months, and Control4 for OS 3 fortnightly. Most recently, iAquaLink was updated on October 28, 2026 and Control4 for OS 3 on October 26, 2026.

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