Fixed Line vs Flex Call Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Mobile PBX extension
- Worldwide landline calls
- Account management
- Full telephony features
- Contact list integration
- Call journal
- Team view & presence
- Chat and group chat
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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
Flex Call Manager
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++ 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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Fixed Line | Flex Call Manager |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 34 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | UNICOPE GmbH | Gamma Communications GmbH |
In-app purchases
Fixed Line
No in-app purchases
Flex Call Manager
No in-app purchases
Questions
Is Fixed Line free?
Is Flex Call Manager free?
Do Fixed Line or Flex Call Manager have ads?
Which is updated more often, Fixed Line or Flex Call Manager?
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