Spark Water vs Pooli
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spark Water
This app automatically reads water test strips using your smartphone camera, providing immediate and accurate results for pool and spa water chemistry. It helps you monitor trends and interpret results easily, ensuring optimal water balance without complex visual charts.
- Automatic test strip reading via camera
- Immediate and accurate results
- Trend monitoring with historical data
- Simple color-coded result interpretation
- Supports pool and spa water parameters
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Spark Water Test Strip Reader app is designed to work seamlessly to read Spark Diagnostics’s Water test products. This easy-to-use smartphone app for Spark Diagnostics Water test strip such as W-5P for Pool and Spa, automatically reads the test strip and delivers hassle-free, immediate, and accurate results in 30 seconds in your phone screen without having to interpret complex visual color chart. Note: App requires use of Spark Diagnostics’s W-5P and similar test strips products. The app features automatic reading of the Spark Diagnostics test strips by using your camera from the app or previously taken photos of test strip to give automatic reading. Spark Diagnostics Water test products measures Pool or Spa Water test parameter such as Free Chlorine, Hardness, Alkalinity, pH and more for maintaining healthy Pool & Spa water chemistry for optimum experience. APP FEATURES: FAST, FREE, AND CONVENIENT SMARTPHONE APP READING – easy-to-use smartphone test system app automatically reads the test strip and delivers hassle-free, immediate, and accurate results in your phone screen. TREND MONITORING: save test results in App to build historical trends. Save your spa and pool water test results to build historical trends that helps to improve consistency in maintaining your spa or pool chemical balance. SIMPLE RESULT INTERPRETATION: use the simple color indicators that guides you if the test results are low (light gray), in-required-range (green), borderline high (yellow) or high (red). Note: Instructions on the product package take precedence over the recommendations made by the app. In the event of unexpected or questionable results by App follow instructions from product package inserts.
Pooli
This app helps you maintain a clean and safe pool or spa with smart testing, tailored advice, and customized task lists. It offers advanced AI for instant feedback, problem resolution guidance, and comprehensive sanitization support. Track multiple pools, manage inventory, and even collaborate with others for effortless pool care.
- Smart water testing with manual entry or strip scanning
- Interactive Calcite Saturation Index (CSI) tool
- Tailored reports and expert maintenance advice
- Advanced AI for instant pool questions
- Customized task lists and reminders
- Multi-pool and spa management
- Chemical inventory tracking with restock reminders
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Embark on your pool care journey with Pooli, the comprehensive, user-friendly app that transforms every user into a pool care expert. With a range of high-value features, Pooli ensures safe, clean, and enjoyable swimming all year round. Top Features: 1. Smart Testing: Use your favorite water test method and open the Pooli app. Manually enter the results or join the Pool Club to scan your test strip with your phone's camera. 2. Interactive CSI Tool: Utilize our interactive Calcite Saturation Index (CSI) tool for understanding and preventing potential issues. 3. Tailored Reports & Advice: Receive detailed pool water quality reports and expert maintenance advice catered to your pool size and type. 4. Advanced AI: Get instant feedback on your pool questions with our cutting-edge AI system. 5. Customized Task Lists: Enjoy tailored task lists, reminders, and user-defined water chemistry targets specific to your pool or spa needs. 6. Multi-Pool Management: Effortlessly track and manage multiple pools or spas. 7. Problem Resolution: Get guidance for identifying and resolving pool issues. 8. Comprehensive Sanitization Support: Support for all primary sanitization methods, complete with custom targets, dosages, and recommendations. 9. Analysis Tools: Use our tools to graph and analyze chemical levels and usage over time, calculate actual chemical demand, and optimize shock/sanitization schedules. 10. Chemical Atlas & Shop: Access our integrated atlas of chemicals and solutions, along with a shop for discounted testing and equipment. 11. Collaborative Tools: Team up with service providers or family members on pool maintenance. 12. Record Keeping: Maintain complete records of pool water tests and maintenance tasks and equipment readings. 13. Inventory Tracking and Sharing: Keep track of your chemical, equipment, and supply inventory with restock reminders. 14. Customizable Profiles: Share your pool and spa information through customizable user profiles. 15. Cost Calculators: Track your savings on chemicals and equipment, and monitor water consumption and potential leaks. 16. Gamified Experience: Have fun with pool care through our monthly high scores and achievement badges. 17. Offline Functionality: Access key features and information even without an internet connection. How Pooli Works: Using Pooli is as easy as a few taps on your screen. Simply open the app, use a test your pool water, and input the results manually or via Pooli's simple and accurate test strip scanning technology. Pooli then provides you with a detailed report and expert advice on maintaining your pool. You'll get customized task lists and reminders based on your pool's specific needs. Pooli even offers a collaborative feature to work with service providers or family members on pool maintenance. With Pooli, pool care becomes a breeze! Experience peace of mind knowing you're maintaining safe and clean water. Dive into a better pool care experience with Pooli today!
Screenshots
Verdict
The clearest difference is rating: Pooli at 4.6 against Spark Water's 3.0. Pooli also leads on review sentiment (87% vs 50%) and update cadence (every 2 weeks vs every 5 months). Spark Water's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (10.1 vs 15.5). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Pooli holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Pooli has 369 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Spark Water's written reviews are positive against 87% of Pooli's.
Spark Water ships an update every 5 months, Pooli every 2 weeks. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.
| Parameter | Spark Water | Pooli |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 4.6 (369 ratings) — better |
| Positive reviews | 50.0% of reviews | 86.7% of reviews — better |
| Number of ratings | 2 | 369 — better |
| Update frequency | Every 5 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.1 — better | 15.5 |
| Further details — not scored | ||
| Size | 49 MB | 122 MB |
| Age rating | 4+ | 4+ |
| Developer | Spark Diagnostics LLC | Pooli, Inc. |
Customer experience
Spark Water
Pooli
Bugs and requests
Spark Water
Not enough reviews yet to summarise bugs or requests.
Pooli
Reported bugs
2 issues- Inventory management issues
- Reminders triggering at inconvenient times
Requested features
4 requests- Ability to add equipment details and service history
- Integration with calendar apps for reminders
- More customization options for ideal water levels
- Improved test strip scanning accuracy
In-app purchases
Spark Water
No in-app purchases
Pooli
No in-app purchases
Questions
Is Spark Water free?
Is Pooli free?
Which has better reviews, Spark Water or Pooli?
Do Spark Water or Pooli have ads?
Which is updated more often, Spark Water or Pooli?
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