Comparison

Mitel One vs K&Ö

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mitel One

This business communication app unifies voice, messaging, and video meetings into a single platform. It helps users stay connected with customers and colleagues, manage availability, and collaborate effectively from anywhere.

Highlights
  • Unified communications platform
  • Business voice functions
  • Secure chat and photo sharing
  • User availability status
  • Contact synchronization
  • Dynamic call history
Read full description

Looking to stay more connected with your customers and co-workers? Are you missing business critical calls? If your business relies on staying connected and being available for revenue opportunities, Mitel One is a mobile solution designed from the ground up for the communications workflows that are unique to businesses like yours. Works with the Mitel Cloud and your Mitel PBX, enabling the best business communications features in the palm of your hand: - See your business’ availability to serve customers on a single screen - Use business voice functions including call transfer, and more - Chat securely with other users - Send and receive photos via Chat - Manage your availability with Do-Not-Disturb (DND) - View live status of users and extensions - View dynamic call history - Synchronize and manage contacts and mobile device native contacts ---------------------------------------------------------------------------------------------------------------- Mitel One brings all of your communications into a single app so you don’t have to flip back and forth between disjointed tools. Mitel One keeps communications flowing no matter where you are and what device you’re using so your productivity doesn’t depend on location. With Mitel One Early Access, you can: * Benefit from a single intuitive app for all your communications * Engage with fellow employees and customers in meaningful ways * Watch great ideas flourish by collaborating with teammates in a single app * Get straight to work with an app that’s designed so there’s nothing to “figure out” You need to be engaged, satisfied and empowered with the flexibility to work smarter - not harder - from anywhere. Mitel One brings together phone, messaging and video meetings to unlock your productivity potential, make faster decisions, nurture great ideas and engage customers in meaningful ways. Key Functionality * See all your communications at a glance from the home screen * Synchronize and manage your contacts and your native mobile device contacts * Collaborate with your team through voice, messaging, or video meetings * Share photos or chat with groups in messaging streams * View live availability status of fellow employees and groups * Phone features including call transfer, and more * Send/receive chat messages and photos securely with other users * View dynamic call history

About

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.

Highlights
  • 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
Features
Read full description

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

Mitel One3 screens
K&Ö2 screens

Verdict

The call

The clearest difference is rating: K&Ö at 5.0 against Mitel One's 3.0. K&Ö also leads on iOS requirement (12.0 vs 15.6). Mitel One's advantage is update cadence (every 3 weeks vs every 7 months). On price, ratings volume, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

K&Ö holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Mitel One ships an update every 3 weeks, K&Ö every 7 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
Mitel One versus K&Ö: the parameters behind the verdict, then further details
ParameterMitel OneK&Ö
PriceFreeFree
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews10.5% of reviews—
Number of ratings2 — better1
Update frequencyEvery 3 weeks — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.612.0 — better
Further details — not scored
Size116 MB36 MB
Age rating4+4+
DeveloperMitel Networks CorporationKoerner & Oelkers GmbH

Customer experience

Mitel One

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews19 reviews
Positive10.5%
Neutral0.0%
Negative89.5%

K&Ö

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Mitel One

No in-app purchases

None

K&Ö

No in-app purchases

Questions

Is Mitel One free?
Mitel One is free to download, with no in-app purchases.
Is K&Ö free?
K&Ö is free to download, with no in-app purchases.
Which has better reviews, Mitel One or K&Ö?
K&Ö is rated higher. Mitel One averages 3.0 out of 5 from 2 ratings, while K&Ö averages 5.0 from 1 ratings.
Do Mitel One or K&Ö have ads?
Neither Mitel One nor K&Ö shows ads.
Which is updated more often, Mitel One or K&Ö?
Mitel One ships an update every 3 weeks, and K&Ö every 7 months. Most recently, Mitel One was updated on November 3, 2026 and K&Ö on November 3, 2026.

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