# bOS Client vs Siedle App

The clearest difference is rating: bOS Client at 5.0 against Siedle App's 1.9. bOS Client also leads on review sentiment (29% vs 0%) and iOS requirement (13.0 vs 16.6). Siedle App's advantage is ratings volume (17 vs 2). 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.

bOS Client holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: Siedle App has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 29% of bOS Client's written reviews are positive against 0% of Siedle App's.

bOS Client ships an update every 3 months, Siedle App every 5 months. The most recent releases landed on August 16, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | bOS Client | Siedle App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bos-client/id921756580/reviews)** | [1.9 (17 ratings)](https://appshunter.io/ios/app/siedle-app/id1449451917/reviews) |
| Number of ratings | 2 | **17** |
| Positive reviews | **28.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 1 MB | 68 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ComfortClick d.o.o.](https://appshunter.io/developer/546323744) | [S. Siedle & Sohne Telefon- und Telegrafenwerke OHG](https://appshunter.io/developer/506604251) |

## What reviewers say

### bOS Client

[App page](https://appshunter.io/ios/app/bos-client/id921756580)

Control all devices in your smart home, office, or hotel from a single application. Integrate and automate major technical systems, visualize building status, and manage devices remotely. Offers advanced features like logical operations, scheduling, and presence simulation.

**Highlights:** Integrates diverse devices and protocols, Remote control of lights, climate, security, and multimedia, Powerful configuration environment, Logical operations and scheduling, Scene creation for different occasions, Energy consumption monitoring, Presence simulation

**Features:** macOS Compatibility

**In-app purchases:** none


### Siedle App

[App page](https://appshunter.io/ios/app/siedle-app/id1449451917)

Transform your smartphone into a mobile extension of your door intercom system. See, speak to, and grant access to visitors remotely via Wi-Fi or mobile network. Features include direct door opening from the home screen and access to system image storage.

**Highlights:** Remote visitor viewing and communication, Door opening and light control, Smart widget for home screen access, System image storage access, Multi-location management, Hands-free communication

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is bOS Client free?

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

### Is Siedle App free?

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

### Which has better reviews, bOS Client or Siedle App?

bOS Client is rated higher. bOS Client averages 5.0 out of 5 from 2 ratings, while Siedle App averages 1.9 from 17 ratings.

### Do bOS Client or Siedle App have ads?

Neither bOS Client nor Siedle App shows ads.

### Which is updated more often, bOS Client or Siedle App?

bOS Client ships an update every 3 months, and Siedle App every 5 months. Most recently, bOS Client was updated on August 16, 2026 and Siedle App on September 16, 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.*