# HS vs VidToAudio

The clearest difference is in-app purchases: HS at none against VidToAudio's 4. HS also leads on update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. VidToAudio sells 4 in-app purchases, starting at $0.99 per 7 days. HS asks for nothing beyond the download.

HS ships an update every 3 weeks, VidToAudio every 4 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HS | VidToAudio |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 5 MB | 1 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HUMITAT-STOP S.L.](https://appshunter.io/developer/1622669309) | [Hugo Silva](https://appshunter.io/developer/1833256531) |

## 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


### VidToAudio

[App page](https://appshunter.io/ios/app/vidtoaudio/id6758520683)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VidToAudio: Weekly Premium Access | $0.99 | per 7 days |
| VidToAudio: Weekly Access | $1.99 | per 7 days |
| VidToAudio: Yearly Premium Access | $4.99 | per year |
| VidToAudio: Yearly Premium | $6.99 | per year |


## Frequently asked questions

### Is HS free?

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

### Is VidToAudio free?

VidToAudio is free to download, with in-app purchases available.

### Do HS or VidToAudio have ads?

Neither HS nor VidToAudio shows ads.

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

HS ships an update every 3 weeks, and VidToAudio every 4 months. Most recently, HS was updated on October 20, 2026 and VidToAudio on October 24, 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.*