# Hydrosense Pro Legionella vs Dipslide Comparator 2

The clearest difference is rating: Hydrosense Pro Legionella at 5.0 against Dipslide Comparator 2's 3.0. Hydrosense Pro Legionella also leads on iOS requirement (10.0 vs 13.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Hydrosense Pro Legionella holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Hydrosense Pro Legionella ships an update every 6 months, Dipslide Comparator 2 every 3 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Hydrosense Pro Legionella | Dipslide Comparator 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydrosense-pro-legionella/id807777307/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/dipslide-comparator-2/id1609262113/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 178 MB | 32 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Albagaia ltd.](https://appshunter.io/developer/780552139) | [Tintometer GmbH](https://appshunter.io/developer/984994415) |

## What reviewers say

### Hydrosense Pro Legionella

[App page](https://appshunter.io/ios/app/hydrosense-pro-legionella/id807777307)

This app captures and reports data for water systems at risk of Legionella infection. It allows for instant recording of test results, scheduling, and email alerts, with secure data storage and traceability.

**Highlights:** Accurate reading of rapid Legionella test results, Instant data access and reporting, Traceability of test location and time, Messaging duty holders for positive results, Data integration across company accounts, Scheduling and recording of water temperature and biocide levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Dipslide Comparator 2

[App page](https://appshunter.io/ios/app/dipslide-comparator-2/id1609262113)

Easily compare your dipslide images to industry standards using your device's camera. Track site results, save comparisons, and email reports to your office. Includes historical data and helpful tips.

**Highlights:** Compare dipslide images to standards, Save and email comparison results, View historical comparison data, Automatic image deletion, Multiple dipslide types supported

**In-app purchases:** none


## Frequently asked questions

### Is Hydrosense Pro Legionella free?

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

### Is Dipslide Comparator 2 free?

Dipslide Comparator 2 is free to download, with no in-app purchases.

### Which has better reviews, Hydrosense Pro Legionella or Dipslide Comparator 2?

Hydrosense Pro Legionella is rated higher. Hydrosense Pro Legionella averages 5.0 out of 5 from 1 ratings, while Dipslide Comparator 2 averages 3.0 from 2 ratings.

### Do Hydrosense Pro Legionella or Dipslide Comparator 2 have ads?

Neither Hydrosense Pro Legionella nor Dipslide Comparator 2 shows ads.

### Which is updated more often, Hydrosense Pro Legionella or Dipslide Comparator 2?

Hydrosense Pro Legionella ships an update every 6 months, and Dipslide Comparator 2 every 3 months. Most recently, Hydrosense Pro Legionella was updated on October 6, 2026 and Dipslide Comparator 2 on October 2, 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.*