# Nalco E vs Ecolab Pool Manager

The clearest difference is rating: Ecolab Pool Manager at 5.0 against Nalco E's 3.0. Nalco E's advantage is ratings volume (21 vs 2) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Ecolab Pool Manager holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Nalco E has 21 ratings behind it against 2, so its average is the more settled of the two.

Nalco E ships an update every 5 weeks, Ecolab Pool Manager monthly. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Nalco E | Ecolab Pool Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (21 ratings)](https://appshunter.io/ios/app/nalco-e-data/id1229919601/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ecolab-pool-manager/id6504227533/reviews)** |
| Number of ratings | **21** | 2 |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 109 MB | 157 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NALCO COMPANY LLC](https://appshunter.io/developer/1229919600) | [Ecolab](https://appshunter.io/developer/1132697449) |

## What reviewers say

### Nalco E

[App page](https://appshunter.io/ios/app/nalco-e-data/id1229919601)

This app allows users to easily capture and track system-specific data, including water chemistry, inventory, and meter readings. It helps ensure optimal performance of water systems and proactively identifies potential issues. Features include offline data capture and alerts for out-of-limit results.

**Highlights:** Capture water chemistry, inventory, and meter data, Trigger alerts for out-of-limit results, Measure bacteria counts quickly, Offline data capture capability, Proactive identification of system issues

**Features:** macOS Compatibility

**In-app purchases:** none


### Ecolab Pool Manager

[App page](https://appshunter.io/ios/app/ecolab-pool-manager/id6504227533)

This app provides pool operators with advanced monitoring and management tools. It helps ensure a safe and enjoyable swimming environment for guests.

**Highlights:** State-of-the-art monitoring, Management features, Ensures safety, Enhances guest experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Nalco E free?

Nalco E is free to download, with no in-app purchases.

### Is Ecolab Pool Manager free?

Ecolab Pool Manager is free to download, with no in-app purchases.

### Which has better reviews, Nalco E or Ecolab Pool Manager?

Ecolab Pool Manager is rated higher. Nalco E averages 3.0 out of 5 from 21 ratings, while Ecolab Pool Manager averages 5.0 from 2 ratings.

### Do Nalco E or Ecolab Pool Manager have ads?

Neither Nalco E nor Ecolab Pool Manager shows ads.

### Which is updated more often, Nalco E or Ecolab Pool Manager?

Nalco E ships an update every 5 weeks, and Ecolab Pool Manager monthly. Most recently, Nalco E was updated on June 4, 2026 and Ecolab Pool Manager on September 20, 2026.

---

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