# By vs CombiApp

The clearest difference is review sentiment: CombiApp at 25% against By's 0%. CombiApp also leads on update cadence (every 2 months vs every 4 months). By's advantage is iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

By ships an update every 4 months, CombiApp every 2 months. The most recent releases landed on June 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | By | CombiApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 41 MB | 85 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [VIMAR Spa](https://appshunter.io/developer/401438010) | [Combivox Srl Unipersonale](https://appshunter.io/developer/1203005996) |

## What reviewers say

### By

[App page](https://appshunter.io/ios/app/by-web/id479235916)

Control your home automation system remotely. Manage lighting, climate, and security from your smartphone or tablet, whether you're at home or away. Requires specific hardware for Vimar By-me or KNX systems.

**Highlights:** Remote system supervision, Control via LAN/Wi-Fi, Control via 3G/Internet, User-friendly icons, Optimized access speed, iOS 13+ localization settings

**In-app purchases:** none


### CombiApp

[App page](https://appshunter.io/ios/app/combiapp/id1535981570)

This virtual assistant provides security sector professionals with tools for system monitoring, catalog access, and warranty extensions. It offers real-time notifications for system faults and updates on new products and offers.

**Highlights:** Real-time system monitoring and fault notifications, Access to updated product catalog and price lists, View brochures and video presentations, Access device manuals and video tutorials, Activate 7-year warranty extensions, Create and store client quotes, Receive Combivox news and offers via push notifications

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is By free?

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

### Is CombiApp free?

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

### Do By or CombiApp have ads?

Neither By nor CombiApp shows ads.

### Which is updated more often, By or CombiApp?

By ships an update every 4 months, and CombiApp every 2 months. Most recently, By was updated on June 11, 2026 and CombiApp on September 17, 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.*