PoolCalc vs Swimming Pool Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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!
Swimming Pool Calculator
Easily calculate necessary pool chemicals and troubleshoot common water issues like green or cloudy water. This app provides daily and weekly maintenance routines to keep your pool water crystal clear and ready for swimming.
- Chemical calculation
- Water issue troubleshooting
- Daily maintenance routines
- Weekly maintenance routines
- Crystal clear water maintenance
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In this simple and innovative app you will be able to calculate all the necessary chemicals. In addition to being able to solve any inconvenience, such as the water turning green or cloudy. And as if that were not enough, you will see all the actions that you must carry out daily and weekly so that the water is always crystal clear and in perfect condition for bathing. Terms and Conditions https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: PoolCalc at Free against Swimming Pool Calculator's $4.99. PoolCalc also leads on iOS requirement (7.1 vs 14.0). Swimming Pool Calculator's advantage is rating (4.0 vs 1.0) and review sentiment (49% vs 17%). On update cadence, ads, in-app purchases and monetization model 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
PoolCalc is free to download; Swimming Pool Calculator costs $4.99 up front. PoolCalc sells 1 one-off in-app purchase and Swimming Pool Calculator sells 4 in-app purchases, starting at $4.49 per 3 months. Whichever you choose, the download price is not the number that matters.
Swimming Pool Calculator holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: Swimming Pool Calculator has 43 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 49% of Swimming Pool Calculator's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 22, 2026 respectively.
| Parameter | PoolCalc | Swimming Pool Calculator |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 1.0 (1 ratings) | 4.0 (43 ratings) — better |
| Positive reviews | 16.7% of reviews | 49.3% of reviews — better |
| Number of ratings | 1 | 43 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.1 — better | 14.0 |
| Further details — not scored | ||
| Size | 8 MB | 116 MB |
| Age rating | 4+ | 4+ |
| Developer | Bonham Customs | Fernando Montero |
Customer experience
PoolCalc
Swimming Pool Calculator
In-app purchases
PoolCalc
- Pool Professional Upgrade$2.99
Swimming Pool Calculator
- Suscripción Premium$4.493 Months
- Suscripción Gold$6.993 Months
- Suscripción Platinum$7.991 Month
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- Suscripción Adamantium2 variants$49.991 Month
Questions
Is PoolCalc free?
Is Swimming Pool Calculator free?
Which has better reviews, PoolCalc or Swimming Pool Calculator?
Do PoolCalc or Swimming Pool Calculator have ads?
Which is updated more often, PoolCalc or Swimming Pool Calculator?
Other comparisons
