FusionSIP vs VoIPXS CallManager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FusionSIP
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FusionSIP: The Mobile SIP Client for FusionPBX FusionSIP is the ideal mobile solution for users of the open-source FusionPBX phone system. Simple, flexible, and powerful - FusionSIP keeps you perfectly connected on the go. Highlights: Easy Setup: Configure via QR code or manual SIP data entry. Seamless Integration: Direct connection to FusionPBX via the EDNT Softphone API, which provides all necessary data. Cutting-Edge Technology: Supports push notifications, IPv4, and IPv6. Powerful Features: Extension selection Hold, call switching, and call forwarding (unattended & attended) Conference calling BLF and status display for colleagues Public and private phonebooks (local and server-based) Server-based call history, notes, and scheduling (private & public) Integrated chat (requires XMPP server) FusionPBX voicemail management Full fax support (send & receive) Manage call forwarding and block lists Customizable codecs, volume control, and Bluetooth support User-friendly design with Light & Dark Mode For Businesses & Offices: FusionSIP is also available in a desktop version, including interfaces to ERP and CRM systems. On request, the app can be custom-branded and tailored to your needs. Who is FusionSIP for? FusionSIP is specifically designed for businesses that use FusionPBX, providing a reliable, user-friendly solution for efficient communication—anytime, anywhere. For Resellers: Upon request, the softphone can be branded, customized, and discounted. Download now and experience the full power of FusionPBX in the palm of your hand! Important Note: The FusionSIP soft client can only be used in combination with the EDNT SoftPhone API and FusionPBX. For a generic softphone solution, EDNT offers the Smart-SIP-Phone, which works as a SIP client immediately with any PBX or phone system.
VoIPXS CallManager
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Verwandeln Sie Ihr Smartphone mit dem VoIPXS Call Manager in eine mobile Nebenstelle Ihrer virtuellen Telefonanlage. Empfangen und starten Sie Anrufe zu Ihrer Festnetznummer überall auf der Welt und telefonieren Sie auch unterwegs über Ihre virtuelle Telefonanlage. Dabei können Sie jederzeit alle Funktionen Ihrer Telefonanlage nutzen. ++ Achtung! Die VoIPXS Call Manager App funktioniert nur in Verbindung mit einem aktiven Account ++ TOP-Funktionen: Kontoverwaltung - Anmeldung über QR-Code und Benutzername/Passwort Alle gängigen Telefonie-Funktionen - Annehmen, Auflegen, Halten, Weiterleiten, Verbinden - Wählen nach Rufnummer - Wählen aus der Kontaktliste - Anruf stummschalten, auf Freisprechen umschalten - Anrufsignalisierung durch Ton und Vibration - Rufnummernauflösung mit Kontaktbild aus lokalen Kontakten - Rufnummernauflösung aus PBX-Kontakten - Konferenz - Blinde Vermittlung Kontaktliste - Ansicht lokaler Kontakte - Zugang zum Server-Adressbuch - Anruffunktion aus Kontaktdetails - Suchfunktion Anrufliste - Anzeige aller Anrufe - Auflösung der Rufnummer Teamübersicht - Anrufoption in der Detailansicht Übersetzt mit www.DeepL.com/Translator (kostenlose Version)
Screenshots
Verdict
FusionSIP and VoIPXS CallManager are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
FusionSIP ships an update every 2 weeks, VoIPXS CallManager every 4 weeks. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.
| Parameter | FusionSIP | VoIPXS CallManager |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | EDNT GmbH | Speak Freely |
In-app purchases
FusionSIP
No in-app purchases
VoIPXS CallManager
No in-app purchases








