# Nalco E vs Virtual Assist (By Ecolab)

The clearest difference is iOS requirement: Nalco E at 13.0 against Virtual Assist (By Ecolab)'s 18.0. 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.

Nalco E ships an update every 5 weeks, Virtual Assist (By Ecolab) every 3 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Nalco E | Virtual Assist (By Ecolab) |
| --- | --- | --- |
| 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 3 weeks** |
| Monetization | Free | — |
| Size | 109 MB | 168 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NALCO COMPANY LLC](https://appshunter.io/developer/1229919600) | [Help Lightning, Inc](https://appshunter.io/developer/867775339) |

## 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


### Virtual Assist (By Ecolab)

[App page](https://appshunter.io/ios/app/virtual-assist-by-ecolab/id6738227225)

**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 Virtual Assist (By Ecolab) free?

Virtual Assist (By Ecolab) is free to download, with no in-app purchases.

### Do Nalco E or Virtual Assist (By Ecolab) have ads?

Neither Nalco E nor Virtual Assist (By Ecolab) shows ads.

### Which is updated more often, Nalco E or Virtual Assist (By Ecolab)?

Nalco E ships an update every 5 weeks, and Virtual Assist (By Ecolab) every 3 weeks. Most recently, Nalco E was updated on October 7, 2026 and Virtual Assist (By Ecolab) on October 8, 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.*