Fixed Line vs Smart
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
Smart
This SIP client connects to various telephone systems, offering call management features like hold, mute, and loudspeaker. It includes a phone book, call history, and customizable codecs for efficient communication on the go.
- Simple setup
- IPv4 and IPv6 support
- Call hold, mute, and loudspeaker
- Phone book and call history
- Customizable codecs
- Bluetooth support
- Light & dark mode
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Smart-SIP-Phone: The SIP client for every SIP telephone system Smart-SIP-Phone is the universal solution for all SIP telephone systems - whether Asterisk, Freeswitch, Auerswald Comtrexx or proprietary systems. Simple, flexible and powerful - with Smart-SIP-Phone you remain optimally reachable and productive. Highlights: - Simple setup - State of the art technology: IPv4 and IPv6. Powerful call functions: - Hold - Mute - Loudspeaker - Selection of the playback device - Parallel calls - Numeric keypad Other functions: - Phone book - Call history - Customizable codecs - Volume control - Bluetooth support - Light & dark mode - 50 free call pushes per month * * Required to receive incoming calls when the app is in the background or your smartphone is locked. For companies: Smart-SIP-Phone is also available as a desktop version. On request, the app can be individually branded and adapted to the needs of your company. Available on request: Seamless integration with ERP and CRM systems. For resellers: The softphone can be branded, customized and discounted as a white-label solution on request - the ideal solution for resellers who want to offer their customers a personalized communication solution. Why Smart-SIP-Phone? Smart-SIP-Phone has been specially developed for all types of SIP telephone systems. It offers a reliable, user-friendly solution for efficient communication - wherever you are. Download now and experience the full power of Smart-SIP-Phone! FAQ Why does the app connect to the EDNT servers? The app downloads the images and data of the supported providers from the EDNT servers at https://nrm.ednt.de. This content is not permanently integrated into the app so that our partners have the opportunity to make changes to the data. #Softclient #SIPclient #Softphone #UCC-Client
Screenshots
Verdict
The clearest difference is update cadence: Smart at every 3 weeks against Fixed Line's every 2 months. Fixed Line's advantage is iOS requirement (13.0 vs 18.0). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Fixed Line against 5.0 for Smart. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Fixed Line ships an update every 2 months, Smart every 3 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.
| Parameter | Fixed Line | Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 28.6% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 34 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | UNICOPE GmbH | EDNT GmbH |
Customer experience
Fixed Line
Smart
In-app purchases
Fixed Line
No in-app purchases
Smart
No in-app purchases
