Comparison

OpenScape Mobile vs 3CX

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

Head to head
About

OpenScape Mobile

Enhance your mobile communications with VoIP and video capabilities. Seamlessly move calls between devices and networks, reducing cellular charges by utilizing Wi-Fi. Access unified communications features like presence status and conference management.

Highlights
  • VoIP and Video calls
  • Seamless call transfer
  • Presence status management
  • Unified Communications features
  • Reduced cellular charges
  • Wi-Fi calling
Features
Read full description

Today’s reality - A mobile, global, distributed and virtual workforce. But you still need fast access to people, from wherever you are, at the lowest possible cost. OpenScape Mobile enhances your communications experience with rich Voice over IP (VoIP) and Video capabilities from your iPhone or iPad. Plus it allows you to seamlessly move calls between desk phone, Wi-Fi and cellular. OpenScape Mobile 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 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 • Initiate ad-hoc conferences and join a conference, plus see the conference status • 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

3CX

This app enables remote work by allowing users to access their office phone extension from any location. It facilitates calls, conference scheduling, team chat, and video conferencing directly from an iOS device.

Highlights
  • Office extension access anywhere
  • Schedule conferences
  • Chat with colleagues
  • Video calls
  • QR code setup
Features
Read full description

Stay connected and make remote work easier with 3CX. This app allows you to use your office extension from anywhere and not only for calls. Schedule conferences, chat with your colleagues and video call from your iOS device. Getting Started: 1. Install the app. 2. Open it, read and accept the license agreement and authorize the permissions the app needs (camera, microphone). 3. Open your web client or desktop app and click on the QR code in the top right corner. Details on how to access your web client are in your 3CX email sent by your administrator. 4. Open your camera on your iOS device and scan the QR code shown on your screen. 5. Your extension is configured and you’re now “Ready for calls”! Important: This app is only for use with 3CX V20 and is not a standalone app. More information: https://www.3cx.com/user-manual/installation-iphone/

Screenshots

OpenScape Mobile1 screens
3CX4 screens

Verdict

The call

The clearest difference is review sentiment: OpenScape Mobile at 100% against 3CX's 28%. OpenScape Mobile also leads on rating (5.0 vs 2.6) and iOS requirement (9.0 vs 16.3). 3CX's advantage is ratings volume (321 vs 1). 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.

ReceptionRating · Positive reviews · Number of ratings

OpenScape Mobile holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: 3CX has 321 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of OpenScape Mobile's written reviews are positive against 28% of 3CX's.

UpkeepUpdate frequency

OpenScape Mobile ships an update every 2 months, 3CX monthly. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
OpenScape Mobile versus 3CX: the parameters behind the verdict, then further details
ParameterOpenScape Mobile3CX
PriceFreeFree
Rating5.0 (1 ratings) — better2.6 (321 ratings)
Positive reviews100.0% of reviews — better28.4% of reviews
Number of ratings1321 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better16.3
Further details — not scored
Size58 MB64 MB
Age rating4+4+
DeveloperMitel Networks Corporation3CX

Customer experience

OpenScape Mobile

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

3CX

All ratings321 ratings
Positive35.5%
Neutral5.6%
Negative58.9%
Written reviews623 reviews
Positive28.4%
Neutral12.0%
Negative59.6%

Bugs and requests

OpenScape Mobile

Not enough reviews yet to summarise bugs or requests.

3CX

Reported bugs

5 issues
  • Inability to answer/make calls
  • Freezing/crashing during calls
  • Missed call notifications not working
  • Incompatibility with certain iOS versions
  • Issues with call transfer and merging

Requested features

6 requests
  • Apple Watch support
  • Customizable ringtones
  • Do Not Disturb mode
  • Call transfer/parking functionality
  • Improved voicemail management
Show 1 more
  • Siri/voice control integration

In-app purchases

None

OpenScape Mobile

No in-app purchases

None

3CX

No in-app purchases

Questions

Is OpenScape Mobile free?
OpenScape Mobile is free to download, with no in-app purchases.
Is 3CX free?
3CX is free to download, with no in-app purchases.
Which has better reviews, OpenScape Mobile or 3CX?
OpenScape Mobile is rated higher. OpenScape Mobile averages 5.0 out of 5 from 1 ratings, while 3CX averages 2.6 from 321 ratings.
Do OpenScape Mobile or 3CX have ads?
Neither OpenScape Mobile nor 3CX shows ads.
Which is updated more often, OpenScape Mobile or 3CX?
OpenScape Mobile ships an update every 2 months, and 3CX monthly. Most recently, OpenScape Mobile was updated on October 5, 2026 and 3CX on October 13, 2026.

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