# H2OCHK vs IDS Capture Mobile

The clearest difference is rating: IDS Capture Mobile at 3.5 against H2OCHK's 1.0. IDS Capture Mobile also leads on ads (none vs shown) and monetization model (free vs ad-supported). H2OCHK's advantage is iOS requirement (12.2 vs 16.0). On price, ratings volume, update cadence 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.

IDS Capture Mobile holds the better App Store score, 3.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

H2OCHK ships an update monthly, IDS Capture Mobile every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | H2OCHK | IDS Capture Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/h2ochk/id1159162921/reviews) | **[3.5 (4 ratings)](https://appshunter.io/ios/app/ids-capture-mobile/id6470520837/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 40 MB | 127 MB |
| Requires iOS | **12.2** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Digital Concepts of Missouri, Inc.](https://appshunter.io/developer/1159162920) | [Immersion Data Solutions, Inc.](https://appshunter.io/developer/1386916627) |

## What reviewers say

### H2OCHK

[App page](https://appshunter.io/ios/app/h2ochk/id1159162921)

This application transforms your smart device into a water chemistry analyzer. It simplifies water maintenance by calculating precise chemical dosages for pools and hot tubs based on your setup and current chemicals.

**Highlights:** Smart device integration, Automated chemical dosage calculation, Pool and hot tub water analysis, Chemical product recommendations, Dosing sequence guidance

**In-app purchases:** none


### IDS Capture Mobile

[App page](https://appshunter.io/ios/app/ids-capture-mobile/id6470520837)

Capture inspection data and 360 immersive imagery with precise geotagging. Upload directly to a platform for a comprehensive experience, now with offline capabilities. Streamline surveys and save time and money.

**Highlights:** Pinpoint geotag accuracy, 360 immersive imagery, Actionable Imagery™ creation, Direct upload to IDS Platform, Offline Mode

**In-app purchases:** none


## Frequently asked questions

### Is H2OCHK free?

H2OCHK is free to download, with no in-app purchases.

### Is IDS Capture Mobile free?

IDS Capture Mobile is free to download, with no in-app purchases.

### Which has better reviews, H2OCHK or IDS Capture Mobile?

IDS Capture Mobile is rated higher. H2OCHK averages 1.0 out of 5 from 2 ratings, while IDS Capture Mobile averages 3.5 from 4 ratings.

### Do H2OCHK or IDS Capture Mobile have ads?

H2OCHK shows ads; IDS Capture Mobile does not.

### Which is updated more often, H2OCHK or IDS Capture Mobile?

H2OCHK ships an update monthly, and IDS Capture Mobile every 6 weeks. Most recently, H2OCHK was updated on November 2, 2026 and IDS Capture Mobile on November 3, 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.*