Comparison

PoolCalc vs Pool Chem Calculator

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

Head to head
About

PoolCalc

This utility calculates the scaling potential of pool water using the Langelier Saturation Index. It allows users to save and edit readings, locations, and add notes. A paid upgrade offers advanced features for pool professionals.

Highlights
  • Langelier Saturation Index calculation
  • Save and edit readings
  • Save and edit locations
  • Add notes to readings
  • Quick add readings to locations
  • Paid upgrade for multiple location routes
Features
Read full description

This calculator helps you determine the scaling potential of your pool water by using the Langelier Saturation Index. Save and edit readings. Save and edit locations. Add notes to each reading. Quick add button. Add readings to locations with a single tap. If you are a pool professional then with a paid upgrade you will be able to save multiple locations for your pool route. I want to make this app something that you will use and see a benefit from. If there is something that you wish to see added please use the feedback form in the app and let me know!

About

Pool Chem Calculator

This app helps manage pool chemistry with 24 specialized calculators for dosing, pH, and more. It features a customizable maintenance calendar, equipment tracking, and easy report sharing for up to 100 pools. Ideal for maintaining a clean and swim-ready pool.

Highlights
  • 24 precision pool chemical calculators
  • Customizable maintenance calendar with notifications
  • Equipment tracking and management
  • Multi-user pool sharing
  • Professional report builder
  • Smart pool route mapping
Features
Read full description

Transform your pool maintenance routine with the most comprehensive pool management app on iOS. Whether you're a seasoned pool owner or just getting started, Pool Chemical Calculator puts professional-grade tools right in your pocket. Advanced Chemical Calculations Master your pool chemistry with 24 specialized calculators covering everything from chlorine dosing and pH adjustments to alkalinity balancing and shock treatments. Get precise measurements tailored to your pool size and current conditions. Track equipment, schedule maintenance with custom notifications, easy to share reports, track up to 100 pools and custom pool route maps. Key Features: 24 precision pool calculators for all chemical needs - Volume Calculator - Chlorine Calculator - Alkalinity Calculator - pH Calculator - Stabilizer Calculator - Salt Calculator - Borate Calculator - Heat Time Calculator - Turnover Rate Calculator - Filter Size Calculator - Fill Time Calculator - Flow Rate Calculator - Dynamic Head Calculator - Calcium Hardness Calculator - Saturation Index Calculator - Chlorine Neutralizer - Pool Operating Cost Calculator - Solar Heating ROI Calculator - Pool Cover Savings Calculator - Heat Cost Calculator - Evaporation Rate Calculator - Pool Leak Detection Calculator - Phosphate Removal Calculator - Algae Treatment Calculator Customizable maintenance calendar with smart notifications Smart pool route mapping Enhanced equipment tracking and management Intuitive drag-and-drop interface Advanced search and filtering options Multi-user pool sharing capabilities One-tap result sharing Comprehensive report builder Detailed user and pool profiles Smart Maintenance Scheduling Never miss another cleaning or equipment check with our intelligent calendar system. Set custom notifications for routine maintenance, equipment servicing, and warranty expirations. Stay ahead of problems before they start. Customize notifications to fit your pool. Streamlined Workflow Organize your tools exactly how you work with drag-and-drop calculator/pool ordering and custom filters. Find what you need instantly with enhanced search features that remember your preferences. Collaboration Made Easy Share pool access with family members, pool services, or property managers. Everyone stays informed with real-time updates and shared maintenance schedules. Professional Reporting Generate detailed reports combining multiple calculation results and maintenance records. Perfect for insurance claims, service documentation, or tracking long-term trends. Simple Pricing: Start free with your first pool and access all essential features. Upgrade to Premium for just $1.99/month to manage up to 100 pools, get cloud backup and go ad free - perfect for pool service professionals, property managers, or multi-pool owners. Keep your pool crystal clear and swim-ready all season long. Download Pool Chemical Calculator today and experience the difference professional-grade pool management makes. No account required to start balancing your pool. Pool Service Workspace Run your pool service business from one organized workspace. Schedule jobs, plan technician routes, manage customers and employees, track inventory, create estimates and invoices, document completed work, and review business performance. Technicians can clock in to share live location and route progress with their employer, including while the app is closed or not in use. Location tracking is user-initiated, remains visible through an ongoing notification, and stops automatically when the technician clocks out. Location data is used only for workforce route and job tracking—not advertising. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PoolCalc4 screens
Pool Chem Calculator4 screens

Verdict

The call

The clearest difference is rating: Pool Chem Calculator at 4.3 against PoolCalc's 1.0. Pool Chem Calculator also leads on update cadence (every 6 days vs every 2 months) and review sentiment (36% vs 17%). PoolCalc's advantage is ads (none vs shown) and iOS requirement (7.1 vs 16.6). On price, 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

Both are free to download. PoolCalc sells 1 one-off in-app purchase and Pool Chem Calculator sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Pool Chem Calculator holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Pool Chem Calculator has 36 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 17% of PoolCalc's written reviews are positive against 36% of Pool Chem Calculator's.

UpkeepUpdate frequency

PoolCalc ships an update every 2 months, Pool Chem Calculator every 6 days. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

Scorecard6 real differences · 4 level
PoolCalc versus Pool Chem Calculator: the parameters behind the verdict, then further details
ParameterPoolCalcPool Chem Calculator
PriceFreeFree
Rating1.0 (1 ratings)4.3 (36 ratings) — better
Positive reviews16.7% of reviews36.4% of reviews — better
Number of ratings136 — better
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS7.1 — better16.6
Further details — not scored
Size8 MB113 MB
Age rating4+4+
DeveloperBonham CustomsGunter Business Solutions Inc

Customer experience

PoolCalc

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews6 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

Pool Chem Calculator

All ratings36 ratings
Positive80.6%
Neutral5.6%
Negative13.9%
Written reviews11 reviews
Positive36.4%
Neutral9.1%
Negative54.5%

In-app purchases

1 purchases

PoolCalc

One-time1
  • Pool Professional Upgrade$2.99
1 purchases

Pool Chem Calculator

Subscriptions1
  • 100 Pool Subscription$1.991 Month

Questions

Is PoolCalc free?
PoolCalc is free to download, with in-app purchases available.
Is Pool Chem Calculator free?
Pool Chem Calculator is free to download, with in-app purchases available.
Which has better reviews, PoolCalc or Pool Chem Calculator?
Pool Chem Calculator is rated higher. PoolCalc averages 1.0 out of 5 from 1 ratings, while Pool Chem Calculator averages 4.3 from 36 ratings.
Do PoolCalc or Pool Chem Calculator have ads?
Pool Chem Calculator shows ads; PoolCalc does not.
Which is updated more often, PoolCalc or Pool Chem Calculator?
PoolCalc ships an update every 2 months, and Pool Chem Calculator every 6 days. Most recently, PoolCalc was updated on October 15, 2026 and Pool Chem Calculator on October 6, 2026.

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