# Startek BT vs HS

The clearest difference is device support: Startek BT at 3 against HS's 1. Startek BT also leads on iOS requirement (14.0 vs 17.6). On price, update cadence, 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.

Startek BT ships an update every 6 weeks, HS every 3 weeks. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Startek BT | HS |
| --- | --- | --- |
| 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 6 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 47 MB | 5 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aegis Ltd](https://appshunter.io/developer/1178893515) | [HUMITAT-STOP S.L.](https://appshunter.io/developer/1622669309) |

## What reviewers say

### Startek BT

[App page](https://appshunter.io/ios/app/startek-bt/id1536740957)

**Features:** macOS Compatibility, Vision Pro support

**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 Startek BT free?

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

### Is HS free?

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

### Do Startek BT or HS have ads?

Neither Startek BT nor HS shows ads.

### Which is updated more often, Startek BT or HS?

Startek BT ships an update every 6 weeks, and HS every 3 weeks. Most recently, Startek BT was updated on October 8, 2026 and HS on October 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.*