# Velbus Signum vs Tethral

The clearest difference is in-app purchases: Velbus Signum at none against Tethral's 4. Velbus Signum also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Tethral sells 4 in-app purchases, starting at $19.99 per month. Velbus Signum asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Velbus Signum | Tethral |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tethral/id6747688735/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Ad-supported |
| Size | 16 MB | 45 MB |
| Requires iOS | **12.4** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Velleman nv](https://appshunter.io/developer/456579607) | [Tethral LLC](https://appshunter.io/developer/1822396943) |

## What reviewers say

### Velbus Signum

[App page](https://appshunter.io/ios/app/velbus-signum/id1444280978)

Control your home automation system remotely via your smartphone or tablet. Monitor and adjust lighting, shutters, and thermostats. The app automatically generates a dashboard for easy operation and customization.

**Highlights:** Remote operation of home automation, Consult and adjust device status, Automatic dashboard creation, Customizable widgets, Create additional user profiles, Time synchronization from internet

**Features:** macOS Compatibility

**In-app purchases:** none


### Tethral

[App page](https://appshunter.io/ios/app/tethral/id6747688735)

Control your smart home devices using simple, conversational language. Automate lights, locks, climate, and more without complex setup or multiple apps. Enjoy a home that responds to your daily needs effortlessly.

**Highlights:** Control multiple smart devices with chat, No complicated setup or coding required, Works with Apple Home, Google Home, Alexa, Matter, Automate actions based on time or events, Privacy-focused with data control options

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tethral Pro | $19.99 | per month |
| 100 Energy | $0.99 | one-time |
| 500 Energy | $3.99 | one-time |
| 1000 Energy | $6.99 | one-time |


## Frequently asked questions

### Is Velbus Signum free?

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

### Is Tethral free?

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

### Do Velbus Signum or Tethral have ads?

Tethral shows ads; Velbus Signum does not.

### Which is updated more often, Velbus Signum or Tethral?

Velbus Signum ships an update monthly, and Tethral monthly. Most recently, Velbus Signum was updated on November 2, 2026 and Tethral on October 30, 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.*