Pool Water Calculator vs Pool Math Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pool Water Calculator
This app helps you precisely balance and maintain your pool or spa water chemistry. It offers a chemistry calculator, pool volume measurement, and detailed data logging with visual trend analysis. Get tailored recommendations and manage multiple water profiles with ease.
- Chemistry calculator for precise chemical dosages
- Pool volume calculator
- Data logging for test results and additions
- Visual trend graphs for water chemistry
- Personalized chemical recommendations
- Manage multiple pool/spa profiles
- Broad chemical support
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Pool Water Calculator is an all-in-one pool and spa management suite, providing everything you need to quickly balance and maintain pool and spa water chemistry. Quickly Balance and Maintain Your Pool Chemistry Chemistry Calculator – Enter current levels and instantly see precise chemical dosages for nearly any concentration (1% to 100%) using our advanced pool calculator. Pool Volume Calculator – Find the exact volume of your pool, hot tub, or Jacuzzi, ensuring accurate chemical dosing every time. Track and Visualize Your Water Chemistry Data Logging – Easily save and edit water test results, chemical additions, and maintenance events. Flexible Tracking – Record multiple parameters, including pH, free, combined, and total chlorine, bromine, total alkalinity, calcium hardness, CYA, borate, ORP, salt, TDS, nitrate, phosphate, water temperature, CSI, LSI, and turbidity. Reactive Graphs – Spot trends, identify issues early, and keep your water chemistry on target with visual insights. Customized to Your Unique Pool or Spa Tailored Recommendations – Enter your liner type and water profile to get personalized targets for your pool or jacuzzi. Multiple Profiles – Manage up to five different pools or spas, each with unique chemical levels, treatments, and notes. Dosing Guide – Understand each parameter’s role in pool chemistry, plus usage tips for the most common pool chemicals. Broad Chemical Support Balance your pool or spa with a wide range of standard and customizable chemicals, including: - Disinfection & Chlorine Options (Calcium Hypochlorite, Sodium Hypochlorite/Bleach, Dichlor, Trichlor, Lithium Hypochlorite, Bromine Granules) - pH Adjusters (Sodium Carbonate, Hydrochloric/Muriatic Acid, Sulfuric Acid, Sodium Hydroxide, Sodium Bisulfate/Dry Acid, Sodium Thiosulfate) - Alkalinity & Hardness (Sodium Bicarbonate/Baking Soda, Sodium Carbonate/Washing Soda, Calcium Chloride, Calcium Chloride Dihydrate) - Stabilizers & Specialty Chemicals (Cyanuric Acid, Pool Salt, Borax Tetrahydrate, Borax Pentahydrate, Boric Acid, Boron Sodium Oxide Tetrahydrate, PR-10,000) Seamless Backups and Multi-Language Support iCloud Integration – Safely back up and restore profiles, water test history, and settings. Metric & U.S. Units – Switch between units for total flexibility. Language Support – Available in English, Spanish, and French. Stop second-guessing your pool chemistry. Download Pool Water Calculator today for stress-free pool and spa management with accurate dosing, precise water balancing, and insightful tracking—all in one intuitive app.
Pool Math Calculator
This app simplifies pool water chemistry by calculating precise chemical dosages for balanced water. It helps estimate the impact of adding various chemicals and determines pool volume from basic measurements. Designed for practical, everyday pool maintenance, it keeps essential information readily accessible.
- Chemical dosing calculations
- Water balance targets
- Chemical addition effect estimation
- Pool volume calculation
- Pool settings tracking
- CSI target checks
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Pool Calculator helps you keep pool water balanced without guesswork. Use it to calculate chemical dosing, check water balance targets, estimate the effect of adding a chemical, and calculate pool volume from basic dimensions. The app is built for day-to-day pool care and keeps the most important numbers easy to read. What you can do: - Calculate dosing for free chlorine, pH, alkalinity, calcium hardness, stabilizer, borates, and salt - See suggested free chlorine targets based on CYA - Estimate the effect of adding bleach, acid, borax, washing soda, salt, and other common pool chemicals - Calculate pool volume for rectangular, round, and oval pools - Track pool-specific settings like volume, temperature, units, and surface type - Check CSI targets for better water balance decisions Pool Calculator is designed to stay fast, practical, and easy to use whether you are managing your own backyard pool or checking numbers before treatment.
Screenshots
Verdict
The clearest difference is price: Pool Math Calculator at Free against Pool Water Calculator's $4.99. Pool Math Calculator also leads on rating (4.8 vs 4.6). Pool Water Calculator's advantage is in-app purchases (none vs 1) and update cadence (fortnightly vs every 2 months). On ratings volume, ads, monetization model 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
Pool Math Calculator is free to download; Pool Water Calculator costs $4.99 up front. Pool Math Calculator sells 1 one-off in-app purchase. Pool Water Calculator asks for nothing beyond the download.
Pool Math Calculator holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 94 and 43 respectively.
Pool Water Calculator ships an update fortnightly, Pool Math Calculator every 2 months. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.
| Parameter | Pool Water Calculator | Pool Math Calculator |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.6 (94 ratings) | 4.8 (43 ratings) — better |
| Positive reviews | 76.7% of reviews | — |
| Number of ratings | 94 — better | 43 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 30 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Ingenio Productions LLC | Sergii Nesterenko |
Customer experience
Pool Water Calculator
Pool Math Calculator
In-app purchases
Pool Water Calculator
No in-app purchases
Pool Math Calculator
- Unlock Pro$12.99
Questions
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