# HS vs Monex Exchange

The clearest difference is device support: Monex Exchange at 3 against HS's 1. Monex Exchange also leads on iOS requirement (15.1 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HS | Monex Exchange |
| --- | --- | --- |
| 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 3 weeks |
| Monetization | Free | — |
| Size | 5 MB | 25 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HUMITAT-STOP S.L.](https://appshunter.io/developer/1622669309) | [Suranart Thunpanit](https://appshunter.io/developer/1619756022) |

## 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


### Monex Exchange

[App page](https://appshunter.io/ios/app/monex-exchange/id6757514649)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HS free?

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

### Is Monex Exchange free?

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

### Do HS or Monex Exchange have ads?

Neither HS nor Monex Exchange shows ads.

### Which is updated more often, HS or Monex Exchange?

HS ships an update every 3 weeks, and Monex Exchange every 3 weeks. Most recently, HS was updated on November 3, 2026 and Monex Exchange on October 31, 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.*