# HS vs MoistAPP

The clearest difference is update cadence: HS at every 3 weeks against MoistAPP's every 7 months. MoistAPP's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.6). On price, 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.

HS ships an update every 3 weeks, MoistAPP every 7 months. The most recent releases landed on September 16, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | HS | MoistAPP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hs-221/id1622669307/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 5 MB | 36 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HUMITAT-STOP S.L.](https://appshunter.io/developer/1622669309) | [Logica H&S srl](https://appshunter.io/developer/1521454271) |

## What reviewers say

### 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


### MoistAPP

[App page](https://appshunter.io/ios/app/moistapp/id6443408446)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HS free?

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

### Is MoistAPP free?

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

### Do HS or MoistAPP have ads?

Neither HS nor MoistAPP shows ads.

### Which is updated more often, HS or MoistAPP?

HS ships an update every 3 weeks, and MoistAPP every 7 months. Most recently, HS was updated on September 16, 2026 and MoistAPP on May 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.*