# Nalco E vs Ecolab E

Nalco E and Ecolab E are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Nalco E ships an update every 5 weeks, Ecolab E every 2 months. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Nalco E | Ecolab E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (21 ratings)](https://appshunter.io/ios/app/nalco-e-data/id1229919601/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 109 MB | 108 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| 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 E

[App page](https://appshunter.io/ios/app/ecolab-e-data/id6761006558)

**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 E free?

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

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

Neither Nalco E nor Ecolab E shows ads.

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

Nalco E ships an update every 5 weeks, and Ecolab E every 2 months. Most recently, Nalco E was updated on June 4, 2026 and Ecolab E on September 20, 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.*