# H2O Precision Moisture Sensor vs HS

The clearest difference is rating: HS at 5.0 against H2O Precision Moisture Sensor's 4.3. HS also leads on update cadence (every 3 weeks vs every 6 months). H2O Precision Moisture Sensor's advantage is device support (3 vs 1) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

HS holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

H2O Precision Moisture Sensor ships an update every 6 months, HS every 3 weeks. The most recent releases landed on July 18, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | H2O Precision Moisture Sensor | HS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/h2o-precision-moisture-sensor/id1380753307/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hs-221/id1622669307/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 67 MB | 5 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Harvest Tec, Inc](https://appshunter.io/developer/975695298) | [HUMITAT-STOP S.L.](https://appshunter.io/developer/1622669309) |

## What reviewers say

### H2O Precision Moisture Sensor

[App page](https://appshunter.io/ios/app/h2o-precision-moisture-sensor/id1380753307)

This app connects wirelessly to a moisture sensor to provide round baler operators with accurate hay moisture readings up to 60%. It utilizes patented technology to read moisture across the bale's width, displaying results on a smartphone or tablet.

**Highlights:** Accurate hay moisture readings up to 60%, Patented side-to-side moisture reading technology, Wireless Bluetooth connectivity, Uses smartphone or tablet as monitor, Reads moisture across bale width

**Features:** macOS Compatibility

**In-app purchases:** none


### HS

[App page](https://appshunter.io/ios/app/hs-221/id1622669307)

This app measures and records rising damp in walls by calculating electrical resistance between two points. Readings are transmitted via Bluetooth and stored on your iPhone for easy access and analysis.

**Highlights:** Measures wall humidity, Calculates electrical resistivity, Bluetooth data transmission, Stores readings on iPhone, Rising damp registration system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is H2O Precision Moisture Sensor free?

H2O Precision Moisture Sensor is free to download, with no in-app purchases.

### Is HS free?

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

### Which has better reviews, H2O Precision Moisture Sensor or HS?

HS is rated higher. H2O Precision Moisture Sensor averages 4.3 out of 5 from 3 ratings, while HS averages 5.0 from 1 ratings.

### Do H2O Precision Moisture Sensor or HS have ads?

Neither H2O Precision Moisture Sensor nor HS shows ads.

### Which is updated more often, H2O Precision Moisture Sensor or HS?

H2O Precision Moisture Sensor ships an update every 6 months, and HS every 3 weeks. Most recently, H2O Precision Moisture Sensor was updated on July 18, 2026 and HS on September 16, 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.*