Busch vs Collumina
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Busch
This app allows you to manage your home's door communication system directly from your smartphone or tablet. See and hear visitors, open doors, and control lights remotely. Connects to your existing Welcome system for seamless integration.
- Receive door calls on mobile device
- See and hear visitors
- Remote door opening
- Control lights
- View door call history
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Experience the door communication of your Welcome system on your smartphone or tablet! Never miss a door call. With the Welcome app all calls are transferred directly to your mobile device. You can see and hear who is at your door. Simply connect the app to your Welcome system via the myBUSCH-JAEGER/myABB-LivingSpace account. Information about the configuration and registration of your IP-Gateway can be found at: http://www.busch-jaeger-catalogue.com/8300-0-0336,artikel.html Preconditions: Welcome door communication system with configured IP-Gateway 83341, 83341-500, 83341, 83341-500, with the latest SW version. Portal registration at https://my.busch-jaeger.de or https://my.abb-livingspace.com. For usage via internet: IP-Gateway is connected via DSL 6000 or better. For usage via internet: Mobile device is connected via 3G/UMTS or WLAN, data plan (e.g. flatrate) allows voice over IP (VoIP). Functions: - Audio and video communication (app has to run in the background) - Door-opening - Switching lights - Access to the latest entries of the door call history list (number of entries is limited, editing the list is only possible in the portal)
Collumina
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This app was developed for visitors to the Cologne light art project “COLLUMINA” and is intended to serve as a guide. The app provides information about artists and locations in a compact form. In addition, access to the website of the location operators is made possible in order to obtain a complete picture. The navigation options can be used to display the route to one or more locations in the form of a route. The app is multilingual and supports German and English in the current release.
Screenshots
Verdict
The clearest difference is update cadence: Collumina at every 6 weeks against Busch's every 5 months. Busch's advantage is iOS requirement (12 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Busch ships an update every 5 months, Collumina every 6 weeks. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.
| Parameter | Busch | Collumina |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (27 ratings) — better | — |
| Positive reviews | 25.3% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12 — better | 16.4 |
| Further details — not scored | ||
| Size | 116 MB | 84 MB |
| Age rating | 4+ | 12+ |
| Developer | Busch-Jaeger Elektro GmbH | Michael Rogulla |
In-app purchases
Busch
No in-app purchases
Collumina
No in-app purchases








