# Pool Plus vs Pro Series Pool & Spa

The clearest difference is review sentiment: Pool Plus at 100% against Pro Series Pool & Spa's 50%. Pool Plus also leads on rating (5.0 vs 4.4) and update cadence (every 6 weeks vs every 4 months). Pro Series Pool & Spa's advantage is price (Free vs $0.99) and ratings volume (10 vs 2). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Pro Series Pool & Spa 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 4.4. That said, the two scores are not equally well evidenced: Pro Series Pool & Spa has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Pool Plus's written reviews are positive against 50% of Pro Series Pool & Spa's.

Pool Plus ships an update every 6 weeks, Pro Series Pool & Spa every 4 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Pool Plus | Pro Series Pool & Spa |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pool-plus/id1488707868/reviews)** | [4.4 (10 ratings)](https://appshunter.io/ios/app/pro-series-pool-and-spa/id1500461028/reviews) |
| Number of ratings | 2 | **10** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#186** | — |
| Size | 1 MB | 13 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Corey Sessions](https://appshunter.io/developer/1351154100) | [BioLab, Inc.](https://appshunter.io/developer/578296671) |

## What reviewers say

### Pool Plus

[App page](https://appshunter.io/ios/app/pool-plus/id1488707868)

**Currently charting:** #186 Top Paid · Utilities (US App Store)

Easily calculate the water volume of your swimming pool in gallons. This tool provides a quick and straightforward method for estimating pool capacity.

**Highlights:** Estimate pool water volume, Calculate in gallons, Quick and easy to use, Designed for swimming pools

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Pro Series Pool & Spa

[App page](https://appshunter.io/ios/app/pro-series-pool-and-spa/id1500461028)

Manage your pool and spa water care with this app. It offers instant water analysis, step-by-step troubleshooting, and clear treatment recommendations. Professionals can also store customer pool profiles, photos, and visit reports.

**Highlights:** Pool and spa water management, Instant water analysis, Step-by-step troubleshooting, Product dosing recommendations, Water test history, Picture storage, Professional notes and reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pool Plus free?

Pool Plus costs $0.99, with no in-app purchases.

### Is Pro Series Pool & Spa free?

Pro Series Pool & Spa is free to download, with no in-app purchases.

### Which has better reviews, Pool Plus or Pro Series Pool & Spa?

Pool Plus is rated higher. Pool Plus averages 5.0 out of 5 from 2 ratings, while Pro Series Pool & Spa averages 4.4 from 10 ratings.

### Do Pool Plus or Pro Series Pool & Spa have ads?

Neither Pool Plus nor Pro Series Pool & Spa shows ads.

### Which is updated more often, Pool Plus or Pro Series Pool & Spa?

Pool Plus ships an update every 6 weeks, and Pro Series Pool & Spa every 4 months. Most recently, Pool Plus was updated on October 28, 2026 and Pro Series Pool & Spa on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*