Comparison

SOL Smart vs Pool Water Calculator

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

Head to head
About

SOL Smart

Features
Read full description

SOL family system is a set of wisdom can make you all remote control home appliances, super grade Bernard department system.Every day back home, a warm bath already in place, air conditioning has started, and even a melodious tune to greet you home.Take a shower, after dinner, relax!Picked up the "intelligent household" exclusive of the remote control, only need one key, whether you want to sing with family,Or and snuggle on the sofa and see a touching movie, that need to be a prerequisite for the complex work, "intelligent household" system to help you once ready.Deja vu to think of it, such a life?Movie "the future of life, actually already is our life,Only need to install the SOL intelligent family system, a universal wisdom housekeeper in your house.

About

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.

Highlights
  • 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
Features
Read full description

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.

Screenshots

SOL Smart3 screens
Pool Water Calculator4 screens

Verdict

The call

The clearest difference is price: SOL Smart at Free against Pool Water Calculator's $4.99. SOL Smart also leads on iOS requirement (9.0 vs 13.0). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

SOL Smart is free to download; Pool Water Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SOL Smart ships an update every 3 weeks, Pool Water Calculator fortnightly. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

Scorecard2 real differences · 8 level
SOL Smart versus Pool Water Calculator: the parameters behind the verdict, then further details
ParameterSOL SmartPool Water Calculator
PriceFree — better$4.99
Rating—4.6 (95 ratings) — better
Positive reviews—76.7% of reviews
Number of ratings—95 — better
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size42 MB30 MB
Age rating4+4+
DeveloperKaian Intelligent Technology co., LtdIngenio Productions LLC

In-app purchases

None

SOL Smart

No in-app purchases

None

Pool Water Calculator

No in-app purchases

Questions

Is SOL Smart free?
SOL Smart is free to download, with no in-app purchases.
Is Pool Water Calculator free?
Pool Water Calculator costs $4.99, with no in-app purchases.
Do SOL Smart or Pool Water Calculator have ads?
Neither SOL Smart nor Pool Water Calculator shows ads.
Which is updated more often, SOL Smart or Pool Water Calculator?
SOL Smart ships an update every 3 weeks, and Pool Water Calculator fortnightly. Most recently, SOL Smart was updated on October 26, 2026 and Pool Water Calculator on November 2, 2026.

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