H2OCHK Hayward vs Pool Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
H2OCHK Hayward
Easily measure key water quality parameters for pools and spas, including pH, chlorine, and alkalinity. Get fast, accurate results and receive personalized chemical dosage recommendations for optimal water balance.
- Measures 5 water quality parameters
- Accurate and fast results
- Recommends chemical dosages
- Supports pool and spa water
- Helps achieve perfect water balance
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This app allows any pool or spa user to quickly and accurately measure 5 important water quality parameters: pH, Chlorine, Total Alkalinity, Total Hardness and Cyanuric Acid. No guesswork, just fast accurate results every time. Based on pool size, App will recommend chemical dosages for perfect water balance.
Pool Plus
Easily calculate the water volume of your swimming pool in gallons. This tool provides a quick and straightforward method for estimating pool capacity.
- Estimate pool water volume
- Calculate in gallons
- Quick and easy to use
- Designed for swimming pools
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Need to estimate the amount of gallons your pool has? Pool Plus has you covered. A quick and easy way to estimate your pool volume.
Screenshots
Verdict
The clearest difference is review sentiment: Pool Plus at 100% against H2OCHK Hayward's 18%. Pool Plus also leads on rating (5.0 vs 3.0) and ads (none vs shown). H2OCHK Hayward's advantage is price (Free vs $0.99). On ratings volume, update cadence, 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
H2OCHK Hayward is free to download; Pool Plus costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Pool Plus holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 18% of H2OCHK Hayward's written reviews are positive against 100% of Pool Plus's.
H2OCHK Hayward ships an update monthly, Pool Plus every 6 weeks. The most recent releases landed on June 1, 2026 and August 7, 2026 respectively.
| Parameter | H2OCHK Hayward | Pool Plus |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.0 (4 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 18.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | 2 |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Best chart rank | — | #174 — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Digital Concepts of Missouri, Inc. | Corey Sessions |
Customer experience
H2OCHK Hayward
Pool Plus
In-app purchases
H2OCHK Hayward
No in-app purchases
Pool Plus
No in-app purchases
Questions
Is H2OCHK Hayward free?
Is Pool Plus free?
Which has better reviews, H2OCHK Hayward or Pool Plus?
Do H2OCHK Hayward or Pool Plus have ads?
Which is updated more often, H2OCHK Hayward or Pool Plus?
Other comparisons
