aTrust vs K&Ö
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
aTrust
This app provides core security capabilities for digital transformation based on a zero trust architecture. It offers SPA protection, adaptive authentication, and dynamic endpoint environment detection to safeguard enterprises and institutions from complex internal threats.
- Zero trust architecture
- SPA protection
- Adaptive authentication
- Dynamic endpoint detection
- App access verification
- Permission baselines
- Dynamic access control
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As digital transformation continues to reshape the IT landscape, security boundaries have become increasingly blurred, and complex internal threats pose ever greater challenges to enterprises and institutions. Based on the zero trust architecture, Sangfor aTrust provides core security capabilities to safeguard digital transformation, including SPA protection, adaptive authentication, dynamic endpoint environment detection, app access verification, permission baselines, and dynamic access control.
K&Ö
This app facilitates communication and management for residential living. It connects residents, owners, and property managers for seamless housing operations. Key features include notifications, damage reporting, classified ads, direct messaging, and access to documents.
- Important notifications and deadlines
- Smartphone damage reporting with photos
- Classified ads for housing needs
- Direct messaging within the community
- Access to important documents 24/7
- Regular advice articles for residents
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Willkommen bei K&Ö - dem digitalen Begleiter für Ihr Wohnumfeld! K&Ö verbindet all jene, die sich regelmäßig miteinander austauschen müssen, damit Wohnen und Vermieten reibungslos klappt: Bewohner, Wohnungseigentümer, Hausmeister und Verwalter. Funktionen: - Benachrichtigungen bei wichtigen Mitteilungen, Terminen, neuen Dokumenten und Änderungen - Schadensmeldung direkt via Smartphone inklusive Fotos an die zuständigen Personen senden - Suchanzeigen und Angebote (z.B. Babysitter gesucht, Garagenstellplatz zu vermieten) - Über Direktnachrichten im Wohnumfeld austauschen - Regelmäßige Ratgeber-Artikel für Mieter und Wohnungseigentümer - 24/7 Zugriff auf Dokumente Fragen Sie Koerner & Oelkers GmbH nach Ihrem individuellen Einladungscode, um K&Ö nutzen zu können.
Screenshots
Verdict
The clearest difference is rating: K&Ö at 5.0 against aTrust's 1.2. aTrust's advantage is update cadence (every 2 months vs every 7 months) and ratings volume (26 vs 1). On price, ads, in-app purchases and monetization model 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.
K&Ö holds the better App Store score, 5.0 against 1.2. That said, the two scores are not equally well evidenced: aTrust has 26 ratings behind it against 1, so its average is the more settled of the two.
aTrust ships an update every 2 months, K&Ö every 7 months. The most recent releases landed on September 22, 2026 and June 1, 2026 respectively.
| Parameter | aTrust | K&Ö |
|---|---|---|
| Price | Free | Free |
| Rating | 1.2 (26 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 6.5% of reviews | — |
| Number of ratings | 26 — better | 1 |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 125 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | SANGFOR Technologies Company Limited | Koerner & Oelkers GmbH |
Customer experience
aTrust
K&Ö
In-app purchases
aTrust
No in-app purchases
K&Ö
No in-app purchases
