Comparison

Pool Water Calculator vs sixty.

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

Head to head
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.

About

sixty.

This app helps overcome low motivation by initiating short, 60-second resets in chosen spaces. It focuses on building momentum without the pressure of streaks or guilt, ideal for tackling procrastination and overwhelm.

Highlights
  • 60-second resets
  • No streak pressure
  • Reduces guilt
  • Builds momentum
  • Tackles overwhelm
  • Breaks procrastination
Features
Read full description

sixty. helps you start when motivation is low. Pick a space. Start a 60-second reset. That’s it. No streak pressure. No guilt. Just momentum. Perfect for: • Cleaning • Overwhelm • Procrastination • “I can’t start” moments One minute is all it takes to break the freeze.

Screenshots

Pool Water Calculator4 screens
sixty.3 screens

Verdict

The call

The clearest difference is price: sixty. at Free against Pool Water Calculator's $4.99. sixty. also leads on rating (5.0 vs 4.6). Pool Water Calculator's advantage is ratings volume (94 vs 1) and iOS requirement (13.0 vs 26.2). On ads, in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

sixty. 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.

ReceptionRating · Positive reviews · Number of ratings

sixty. holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Pool Water Calculator has 94 ratings behind it against 1, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
Pool Water Calculator versus sixty.: the parameters behind the verdict, then further details
ParameterPool Water Calculatorsixty.
Price$4.99Free — better
Rating4.6 (94 ratings)5.0 (1 ratings) — better
Positive reviews76.7% of reviews—
Number of ratings94 — better1
Update frequencyFortnightly—
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.2
Further details — not scored
Size30 MB0 MB
Age rating4+4+
DeveloperIngenio Productions LLCChylenna Brownlee

Customer experience

Pool Water Calculator

All ratings94 ratings
Positive90.4%
Neutral4.3%
Negative5.3%
Written reviews30 reviews
Positive76.7%
Neutral6.7%
Negative16.7%

sixty.

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Pool Water Calculator

No in-app purchases

None

sixty.

No in-app purchases

Questions

Is Pool Water Calculator free?
Pool Water Calculator costs $4.99, with no in-app purchases.
Is sixty. free?
sixty. is free to download, with no in-app purchases.
Which has better reviews, Pool Water Calculator or sixty.?
sixty. is rated higher. Pool Water Calculator averages 4.6 out of 5 from 94 ratings, while sixty. averages 5.0 from 1 ratings.
Do Pool Water Calculator or sixty. have ads?
Neither Pool Water Calculator nor sixty. shows ads.

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