Comparison

Fixed Line vs Flex Call Manager

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

Head to head
About

Fixed Line

Transform your smartphone into a mobile extension of your virtual PBX. Make and receive calls worldwide using your landline number, accessing all your PBX features on the go. This app requires an active Fixed Line System account to function.

Highlights
  • Mobile PBX extension
  • Worldwide landline calls
  • Account management
  • Full telephony features
  • Contact list integration
  • Call journal
  • Team view & presence
  • Chat and group chat
Features
Read full description

The mobile fixed line is a modern communication service from the pioneer and technology leader in the field of unified communication - UNICOPE. Get your telephone system to your phone. With this app you can use your smartphone as a mobile extension of your virtual PBX. Start and receive worldwide calls with your landline number so that you can telephone cost-efficient and mobile with UNICOPE. Take advantage of the functions of your PBX and all the features of Fixed Line. ++ Note: The Fixed Line-app only works in combination with an active account on the Fixed Line System. ++ TOP-Features: Account management - Accounts are automatically created by autoprovisioning - Add, edit and delete accounts All telephony features - Answer, hang up, consultation, hold, transfer, and connect - Phone-conference - Dial by number - Dial from contact list - Dial from call journal - Dial from team view - Dial from chat - Dial with Mobile Network (GSM) - Call mute, switch to speaker - Call signaling by sound and vibration - Number resolution incl. contact image from local contacts - Number resolution from PBX contacts Contact list - Displaying local contacts - Call and email from contact details - Access to server address book - search function Call journal - Display all calls (combined with landline) - Contacts resolution - Call and contact details - Filter for all or only missed calls Team View - Favorites - All employees sorted by departments - call option in detail-view - possibility to send e-mails Messages (Chat) - Conversation overview - Send and receive chat messages - Group Chat Presence - See the presence of all your colleagues General - Copy-Feature for almost data - Diverse DND Modes - GSM Mode - Callthrough-Mode

About

Flex Call Manager

Read full description

++ Achtung: Die Flex Call Manager App funktioniert nur in Verbindung mit einem aktiven Account ++ Flex Call Manager ist ein modernes Kommunikationssystem von Gamma. Holen Sie sich Ihre Telefonanlage auf Ihr Smartphone.  Über diese App verwenden Sie Ihr Smartphone als mobile Nebenstelle Ihrer virtuellen Telefonanlage.  Empfangen und starten Sie weltweit Anrufe unter Ihrer Festnetznummer und telefonieren Sie kostengünstig auch unterwegs. Nutzen Sie die Funktionen Ihrer Telefonanlage sowie alle Features der Gamma FlexPBX.

Screenshots

Fixed Line4 screens
Flex Call Manager4 screens

Verdict

The call

The clearest difference is device support: Flex Call Manager at 4 against Fixed Line's 2. Fixed Line's advantage is iOS requirement (13.0 vs 15.0). 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

Fixed Line ships an update every 2 months, Flex Call Manager monthly. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 8 level
Fixed Line versus Flex Call Manager: the parameters behind the verdict, then further details
ParameterFixed LineFlex Call Manager
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.0 — better15.0
Further details — not scored
Size34 MB11 MB
Age rating4+4+
DeveloperUNICOPE GmbHGamma Communications GmbH

In-app purchases

None

Fixed Line

No in-app purchases

None

Flex Call Manager

No in-app purchases

Questions

Is Fixed Line free?
Fixed Line is free to download, with no in-app purchases.
Is Flex Call Manager free?
Flex Call Manager is free to download, with no in-app purchases.
Do Fixed Line or Flex Call Manager have ads?
Neither Fixed Line nor Flex Call Manager shows ads.
Which is updated more often, Fixed Line or Flex Call Manager?
Fixed Line ships an update every 2 months, and Flex Call Manager monthly. Most recently, Fixed Line was updated on September 23, 2026 and Flex Call Manager on September 17, 2026.

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