The Sutro smart pool monitor system, resting poolside with its charging base, pairs effortlessly with a smartphone app to ensure your pool remains in pristine condition.

The 5 Best Smart Pool Monitors of 2024

When starting your journey to find the best smart pool monitor, it’s important to understand the value it brings to maintaining your pool’s health and safety.

A smart pool monitor is not just a gadget; it’s an essential tool that ensures your swimming pool remains in pristine condition, ready for enjoyment at any moment. These innovative devices continuously analyze your pool’s water quality, temperature, and more, providing real-time data directly to your smartphone.

With the best smart pool monitor, you’ll have peace of mind knowing your pool is under constant surveillance, allowing you to address any issues promptly before they escalate.

Our Top Picks

We provide our product links with Amazon assurance whenever possible.

Best Price$283
EcO from iopool
opool Smart Water Monitor
Blue Connect
Sutro Pool
WaterGuru Smart Pool Monitor

Best Overall: EcO from iopool

Dive into the future of pool maintenance with EcO by iopool, your smart, effortless way to ensure your swimming pool or spa remains pristine year-round. This cutting-edge device floats quietly in your pool, working tirelessly to monitor water conditions 24/7.

Coupled with the free iopool app, EcO offers real-time analysis and maintenance recommendations, making pool care as simple as a tap on your smartphone. Say goodbye to the guesswork and hello to crystal clear water, all with EcO.

Eco from iopool, the eco-conscious smart pool monitor, next to its companion chemical products, all managed through a convenient mobile app for sustainable pool care.


  • Weight: Lightweight at 150g
  • Size: Compact design, 20cm in height
  • Connectivity: Bluetooth, with Wi-Fi capability via additional gateway
  • Compatibility: Chlorine, Bromine, Active Oxygen treatments; Salt version available
  • App features: Custom alerts, water quality graphs, filtration advice, manual test strip scanning (beta), weather forecasts
  • Integration: Compatible with Alexa, upcoming Google Home Assistant support
  • Lifespan: 2 years, with an easy replacement module
  • Warranty: 2-year coverage for peace of mind
Pros Improved Precision User-Friendly Free App Access
Cons Not Saltwater-Compatible (standard version) Bluetooth Range Limit Sensor Replacement Required

Who Is It For?

EcO by iopool is perfect for any pool or spa owner who desires hassle-free maintenance without sacrificing accuracy or control. Whether you’re a busy family looking to enjoy your pool with minimal fuss, a tech enthusiast who loves integrating smart home devices, or a property manager needing to ensure multiple pools are in top condition, EcO has you covered.

With its easy setup, real-time monitoring, and personalized treatment recommendations, keeping your pool crystal clear has never been simpler or more efficient. Ideal for both novice and experienced pool owners alike, EcO takes the guesswork out of pool care, so you can spend more time enjoying your backyard oasis​​​​​​.

Best for Wi-Fi: opool Smart Water Monitor

Dive into the future of pool care with the opool Smart Water Monitor! This compact, high-tech device makes maintaining your pool’s health a breeze. With the power of Wi-Fi, you’ll have real-time data on your pool’s condition at your fingertips. It’s easy, efficient, and perfect for anyone looking to simplify their pool maintenance.

Opool Smart Water Monitor presents a revolutionary way to handle pool maintenance, providing vital water quality stats directly to your smartphone.


  • Dimensions: 8.66 inches in length, lightweight at less than 5.3 ounces.
  • Connectivity: Bluetooth for easy data transmission to your phone.
  • Battery Life: Extended, with no need for replacement or recharging.
  • Water Analysis: Checks pH, temperature, and sanitization levels every 15 minutes.
  • Compatibility: Suitable for pools, hot tubs, and swim spas.
  • App Integration: Comes with a user-friendly app for monitoring and advice.
  • Installation: Simple placement in water or skimmer, no complicated setup.
  • Monitoring: Provides 24/7 pool monitoring for timely problem identification​​​​.
Pros Extended Battery Life Compact Design Real-Time Monitoring
Cons Limited Metrics Manual Calibration Needed Not Saltwater Compatible​​.

Who Is It For?

The opool Smart Water Monitor is perfect for pool owners who value convenience, efficiency, and the peace of mind that comes with knowing their pool water is in great condition. Whether you’re a busy parent, a tech enthusiast, or someone who just loves swimming without the hassle of constant pool upkeep, this device is for you.

Its compact size, easy installation, and real-time monitoring cut down on maintenance time, leaving more time for enjoyment. Especially suitable for those who prefer to keep a close eye on their pool’s health remotely, it offers an effortless way to ensure your pool is always ready for a dip.

Best Budget: Blue Connect

Introducing Blue Connect, your go-to for keeping pool or spa water pristine at an unbeatable price. This smart device monitors your water 24/7, sending data straight to your phone. Whether you’re at home or away, Blue Connect ensures your pool remains a source of joy, not a chore. Perfect for those who value peace of mind and cleanliness without breaking the bank.

Blue Connect, a sleek smart pool monitoring device, paired with its mobile app, providing real-time pool condition updates and maintenance advice for optimal pool care.


  • Measurements: Temperature, pH, ORP / Redox, Conductivity
  • Automatic Measurements: Up to 20 per day
  • Connectivity: Bluetooth, Sigfox, Wi-Fi with Extender
  • Battery Life: 2 years
  • Weight: 714g
  • Dimensions: 253mm x 96mm
  • Water Types: Chlorine, Bromine, Saltwater pools
  • Installation: Floating or Fixed with Blue Fit 50 Adapter
Pros 24/7 Monitoring Multi-User Sharing Custom Notifications
Cons Initial Cost Sigfox Coverage Dependent Calibration Required

Who Is It For?

Blue Connect is the ideal choice for pool or spa owners who desire simplicity, efficiency, and reliability in water maintenance. It’s especially suitable for busy families or individuals who prioritize health and wellness, providing them with the assurance that their pool is always ready and safe for enjoyment.

With easy installation, it’s perfect for those who are not technically inclined but still seek the convenience of modern technology. Whether you’re an active user eager to dive in at a moment’s notice or a property manager overseeing multiple units, Blue Connect offers a seamless, worry-free solution to pool maintenance, ensuring your water is always inviting, clean, and safe.

Best for Advanced Features: Sutro Pool

Dive into the future of pool care with Sutro, the ultimate smart water monitor designed to simplify your pool and spa maintenance. With just a few taps on your smartphone, Sutro delivers real-time data on your water chemistry, ensuring your pool remains sparkling and safe for everyone to enjoy. Say goodbye to the guesswork and tedious testing procedures, and hello to more time enjoying your pool with peace of mind.

The Sutro Smart Monitor is an innovative, best smart pool monitor that works seamlessly with your smartphone to keep your pool water in perfect balance.


  • Testing Parameters: pH, free chlorine, alkalinity
  • Testing Frequency: Three times per day
  • Power Source: Two rechargeable Li-Ion batteries
  • App Compatibility: iOS and Android
  • Pool Types Supported: Chlorine, saltwater, bromine, mineral, ozone, UV
  • Package Includes: Monitor, water test cartridge, hub and charger base unit, US-110V adapter
  • Subscription Service: Basic ($29/month) or Premium ($39/month) tiers
  • Ease of Setup: User-friendly app-guided setup process
Pros Easy Setup Broad Compatibility Automatic Readings
Cons High Initial Cost Monthly Subscription Inconsistent Readings

Who Is It For?

The Sutro Pool Monitor is perfect for pool and spa owners who prioritize convenience, accuracy, and the health of their swimming environment. Whether you’re a tech enthusiast looking to integrate smart devices into your home, a busy family that values safety and ease of use, Sutro offers a comprehensive solution.

With its capability to support various pool types and its user-friendly app that provides actionable insights, Sutro is suited for those who seek the best in pool maintenance technology while willing to invest in the quality and convenience it delivers.

Best for Easy Setup: WaterGuru Smart Pool Monitor

Imagine a pool where the water is always just right, with no guesswork or chemistry degree required. That’s where WaterGuru Smart Pool Monitor steps in. Setup is a breeze, connecting effortlessly to Wi-Fi and guiding you through the process. Say goodbye to burning eyes, itchy skin, and welcome perfectly balanced water every day.

WaterGuru Sense smart pool monitor brings advanced pool care technology to your fingertips, ensuring crystal clear water with smart, app-based monitoring.


  • Dimensions: 20.5 x 12.25 x 3.63 inches
  • Weight: 6.19 pounds
  • Connectivity: Bluetooth Low Energy (BLE), 802.11 b/g/n Wi-Fi
  • Power: 4 “C” cell batteries, lasting approximately 6 months
  • Security: 128-bit AES with unique per-device PSK
  • Measurements: Free Chlorine, pH, Total Alkalinity, Cyanuric Acid, Calcium Hardness
  • Compatibility: iOS 12.0+/Android 9+, salt water chlorine generator pools up to 5000 ppm
  • Warranty: 1-year warranty and 30-day money-back guarantee
Pros Expert Pool Advice Chemical Savings Ease of Use
Cons Initial Cost Battery Replacement Wi-Fi Dependency

Who Is It For?

The WaterGuru Smart Pool Monitor is ideal for anyone who wants to enjoy their pool without the hassle of manual water testing and balancing. Whether you’re a busy parent, a retired individual looking for ease in pool maintenance, or simply someone who loves swimming without the worry of chemical imbalances, this device has you covered.

With its smart monitoring, you’ll save on chemicals and energy, and your pool will always be ready for fun. It’s perfect for those who value their time and peace of mind, ensuring that pool care is as seamless and straightforward as a summer breeze​​​​​​​​.

What I Wish I Knew Before I Got The Smart Pool Monitor?

  1. Pool Size and Depth: Understanding the ideal size and depth based on usage preferences is crucial.
  2. Pool Location: Optimal placement is key for sunlight exposure and ease of access.
  3. Hardscaping: Planning for the surrounding area is important for aesthetics and functionality.
  4. Budgeting: Accurate budget planning helps avoid financial stress.
  5. Communication: Speaking up about preferences during the design process is vital.
  6. Quality Decisions: Avoiding cutting corners on essential features ensures long-term satisfaction.
  7. Company Selection: Consulting multiple pool companies to find the best fit is beneficial.

What does a pool monitor do?

A pool monitor, especially a smart pool monitor like the WaterGuru SENSE, is designed to simplify pool maintenance by automatically analyzing water chemistry, such as chlorine, pH, and alkalinity levels.

This device fits inside your pool’s skimmer and connects to Wi-Fi, allowing it to send real-time data and advice directly to your smartphone or tablet. This means you can ensure your pool water is safe, clean, and perfectly balanced without needing to manually test the water yourself.

These monitors can save you time and money by advising on precise chemical adjustments needed, thereby preventing over-treating and helping to maintain your pool’s equipment and appearance.

By keeping pool water in the “SAFE ZONE,” these devices also protect against the growth of bacteria and algae, cloudy water, and potential damage to pool surfaces and equipment​​​​.

Do smart pool monitors work?

Smart pool monitors, such as WaterGuru Sense, pHin Smart Water Monitor, and PoolSense, offer innovative solutions to pool maintenance by providing accurate, real-time data on water chemistry.

These devices simplify pool care by analyzing factors like chlorine, pH, temperature, and more, sending alerts and recommendations directly to your smartphone. They eliminate the guesswork and manual testing typically associated with pool maintenance, ensuring your pool water is safe, clean, and balanced.

Although they vary in features, such as installation method, battery life, and whether they float or integrate with your pool’s system, each has its own set of advantages.

PoolSense offers hassle-free monitoring with no installation required, analyzing water quality at regular intervals and using low power WAN technology for wide coverage. These smart monitors can be a valuable addition to any pool, offering convenience, accuracy, and peace of mind to pool owners.

Emily Thompson is a passionate technology enthusiast and skilled reviewer, deeply knowledgeable about every niche within the tech world. Emily's expertise and keen eye for detail make her an invaluable guide for anyone looking to understand or purchase tech products. The products listed in this article were chosen according to our expert tests.