# SilHT Pro vs PessTech

The clearest difference is update cadence: PessTech at every 2 weeks against SilHT Pro's every 2 months. SilHT Pro's advantage is iOS requirement (9.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SilHT Pro ships an update every 2 months, PessTech every 2 weeks. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SilHT Pro | PessTech |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 107 MB |
| Requires iOS | **9.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nice Spa](https://appshunter.io/developer/1063645984) | [PessTechnologies](https://appshunter.io/developer/945694270) |

## What reviewers say

### SilHT Pro

[App page](https://appshunter.io/ios/app/silht-pro/id581877157)

This application allows users to manage their SilHT alarm system remotely. It provides control over security functions and system status. Developed by Silentron, a company with a long history in alarm systems.

**Highlights:** Remote alarm system management, Control security functions, Monitor system status, Developed by alarm system experts

**Features:** macOS Compatibility

**In-app purchases:** none


### PessTech

[App page](https://appshunter.io/ios/app/pesstech/id6498715323)

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

**In-app purchases:** none


## Frequently asked questions

### Is SilHT Pro free?

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

### Is PessTech free?

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

### Do SilHT Pro or PessTech have ads?

Neither SilHT Pro nor PessTech shows ads.

### Which is updated more often, SilHT Pro or PessTech?

SilHT Pro ships an update every 2 months, and PessTech every 2 weeks. Most recently, SilHT Pro was updated on October 5, 2026 and PessTech on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*