Comparison

OpenScape Mobile Pro vs Unify Phone

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

Head to head
About

OpenScape Mobile Pro

This app enhances mobile communications with VoIP and video capabilities, allowing seamless call transfers between devices and networks. It helps reduce cellular charges by routing calls over Wi-Fi.

Highlights
  • VoIP and Video calling
  • Seamless call transfer
  • Wi-Fi call routing
  • User presence status
  • Contact management
  • Instant messaging (Beta)
Features
Read full description

IMPORTANT NOTICE: OpenScape Mobile Pro is not a standalone client but part of a Unified Communications solution. In order to function correctly all mandatory solution components must be installed and in operational state. Be advised by your administrator before installing or upgrading the application. The solution requires an OpenScape UC applications server, an SBC server, a HAproxy, a mobile Façade server and a suitable PBX (OpenScape Voice or OpenScape 4000). Version compatibility matrix can be found in the product release notes. Today’s reality - A mobile, global, distributed and digital workplace. But you still need fast access to people, from wherever you are, at the lowest possible cost. OpenScape Mobile Pro enhances your communications experience with rich Voice over IP (VoIP) and Video capabilities from your iPhone or iPad. It also features iOS CallKit and PushKit support. Plus it allows you to seamlessly move calls between desk phone, Wi-Fi and cellular. OpenScape Mobile Pro reduces cellular charges through lower air-time minutes and roaming charges by making and receiving calls over Wi-Fi from your home, a Wi-Fi hotspot or on the corporate Wi-Fi. With a simple finger gesture, OpenScape Mobile’s call swipe lets you seamlessly move calls from your mobile device to a desktop device, and vice-versa, and from cellular network or the Wi-Fi. What you can do OpenScape Mobile Pro works in three modes (depending on the license you purchased): UC-only mode: Gives you access to OpenScape Unified Communications features (also see OpenScape UC) • Set your user presence status and preferred device or device list • Be reached on a single published phone number • See your OpenScape contacts and their presence status • Manage your OpenScape contacts and place calls to your contacts through your corporate network • Chat and send Instant Messages to other contacts (Beta) • Initiate ad-hoc conferences and join a conference, plus see the conference status • Utilize additional call control services (e.g. toggle, consultation, 3 party conference) • Activate rules and set time zone, location and status note • View missed calls in the Journal • Automatically import credentials from the OpenScape mobile client, if installed and configured Voice/Video-only mode: Gives you access to VoIP and Video, plus call transfer, call forwarding and call swipe. Combined mode: Gives you both UC and VoIP/Video functionality in a single mobile application.

About

Unify Phone

This app unifies workplace communication by integrating existing voice platforms with cloud-based client technology. It offers seamless hybrid working, advanced mobility, and powerful PBX features across all devices. Enhance productivity and streamline interactions with a single business number and bi-directional presence synchronization.

Highlights
  • Seamless hybrid working
  • Cloud-based client integration
  • Single business number
  • Advanced mobility
  • PBX features
  • Office365/Exchange/Google integration
  • Teams presence sync
Features
Read full description

Unify Phone: Seamless Hybrid Cloud UC Solution Transform your workplace communication with Unify Phone - the ultimate unified communications solution for organizations of all sizes and deployment types. Leverage your existing Mitel / Unify voice platforms and embrace the future of work. Key Features: - Seamless hybrid working: Office, home, or on-the-move. - Cloud-based client technology with tight integration to existing voice platforms - Single business number across all devices - Advanced mobility with uninterrupted call movement - Powerful PBX features in easy-to-use web and mobile clients - Integration with Office365 contacts, Microsoft Exchange, and Google - Bi-directional presence synchronisation with Microsoft Teams - Integration with existing voicemail solutions Benefits: - Preserve your investment in existing voice infrastructure - Gain cloud technology benefits from your existing deployment model - Enhance team productivity and work flexibility - Simplify deployment and user adoption - Maintain control and privacy of voice communications - Streamline professional customer and client interactions Unify Phone seamlessly extends your Mitel and OpenScape systems enabling a smooth transition to modern communication tools. Experience the power of cloud flexibility combined with the reliability of your trusted voice platform. Get started with Unify Phone today and revolutionize your business communication! *Note: Feature availability may vary based on your existing Mitel / OpenScape platform. Unify Phone add-on subscription required. Microsoft Teams and Microsoft Exchange / Exchange Online are trademarks of the Microsoft group of companies. Google is a trademark of Google LLC.

Screenshots

OpenScape Mobile Pro4 screens
Unify Phone4 screens

Verdict

The call

The clearest difference is review sentiment: Unify Phone at 29% against OpenScape Mobile Pro's 10%. OpenScape Mobile Pro's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, 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.

UpkeepUpdate frequency

OpenScape Mobile Pro ships an update fortnightly, Unify Phone every 3 weeks. The most recent releases landed on September 17, 2026 and August 16, 2026 respectively.

Scorecard2 real differences · 8 level
OpenScape Mobile Pro versus Unify Phone: the parameters behind the verdict, then further details
ParameterOpenScape Mobile ProUnify Phone
PriceFreeFree
Rating1.0 (2 ratings) — better—
Positive reviews10.0% of reviews28.6% of reviews — better
Number of ratings2 — better—
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size62 MB58 MB
Age rating4+4+
DeveloperUnify Software and Solutions GmbH & Co.KGMitel Networks Corporation

Customer experience

OpenScape Mobile Pro

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews30 reviews
Positive10.0%
Neutral3.3%
Negative86.7%

Unify Phone

Written reviews7 reviews
Positive28.6%
Neutral28.6%
Negative42.9%

In-app purchases

None

OpenScape Mobile Pro

No in-app purchases

None

Unify Phone

No in-app purchases

Questions

Is OpenScape Mobile Pro free?
OpenScape Mobile Pro is free to download, with no in-app purchases.
Is Unify Phone free?
Unify Phone is free to download, with no in-app purchases.
Do OpenScape Mobile Pro or Unify Phone have ads?
Neither OpenScape Mobile Pro nor Unify Phone shows ads.
Which is updated more often, OpenScape Mobile Pro or Unify Phone?
OpenScape Mobile Pro ships an update fortnightly, and Unify Phone every 3 weeks. Most recently, OpenScape Mobile Pro was updated on September 17, 2026 and Unify Phone on August 16, 2026.

Other comparisons