# NPC Pro vs Regal Pool Care

The clearest difference is review sentiment: NPC Pro at 60% against Regal Pool Care's 0%. NPC Pro also leads on rating (5.0 vs 3.2). Regal Pool Care's advantage is update cadence (every 4 months vs every 24 months) and ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NPC Pro holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Regal Pool Care has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 60% of NPC Pro's written reviews are positive against 0% of Regal Pool Care's.

NPC Pro ships an update every 24 months, Regal Pool Care every 4 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | NPC Pro | Regal Pool Care |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/npc-pro/id1273077384/reviews)** | [3.2 (9 ratings)](https://appshunter.io/ios/app/regal-pool-care/id6739361017/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 84 MB | 52 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Plasters Council, Inc](https://appshunter.io/developer/1273077383) | [Pool Corporation](https://appshunter.io/developer/508083385) |

## What reviewers say

### NPC Pro

[App page](https://appshunter.io/ios/app/npc-pro/id1273077384)

This app helps pool professionals manage water chemistry and follow startup procedures for plaster finishes. It offers an LSI calculator, water chemistry recommendations, and step-by-step guides for maintaining pool surfaces. Connect with experts and access resources to ensure balanced water and durable finishes.

**Highlights:** LSI Calculator for water balance, Water chemistry recommendations, Plaster startup procedures guide, Easy data input for instant results, Professional-grade accuracy, Ask the Expert feature, Access to podcasts and technical resources

**Features:** macOS Compatibility

**In-app purchases:** none


### Regal Pool Care

[App page](https://appshunter.io/ios/app/regal-pool-care/id6739361017)

This app analyzes pool water quality using test strips and provides recommendations for chemical balancing. It offers detailed water analysis for key parameters and suggests specific products to maintain clear water.

**Highlights:** Photo-based test strip analysis, Detailed water quality reports, Personalized chemical recommendations, Tests Free Chlorine, pH, Alkalinity, Calcium Hardness, Cyanuric Acid, Reduces guesswork for pool maintenance

**In-app purchases:** none


## Frequently asked questions

### Is NPC Pro free?

NPC Pro is free to download, with no in-app purchases.

### Is Regal Pool Care free?

Regal Pool Care is free to download, with no in-app purchases.

### Which has better reviews, NPC Pro or Regal Pool Care?

NPC Pro is rated higher. NPC Pro averages 5.0 out of 5 from 1 ratings, while Regal Pool Care averages 3.2 from 9 ratings.

### Do NPC Pro or Regal Pool Care have ads?

Neither NPC Pro nor Regal Pool Care shows ads.

### Which is updated more often, NPC Pro or Regal Pool Care?

NPC Pro ships an update every 24 months, and Regal Pool Care every 4 months. Most recently, NPC Pro was updated on October 24, 2026 and Regal Pool Care on October 21, 2026.

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