FusionSIP vs Arnacon
Price, ratings, monetisation and update history for both apps, side by side β 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 communicationβanytime, 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.
Arnacon
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Arnacon is a futuristic communication app that brings together the power of Web3 principles and the simplicity of everyday telephony. Make calls, send messages, and connect using identities you control - all without sharing your phone number. Identity as Your Number Say goodbye to SIM-based communication. With Arnacon, you can connect using your ENS name, your email address, or even your own identity. Once verified, you can switch between them freely and use the identity that suits every context. For Individuals, Teams, and Networks Whether youβre creating a secure network for your organization or simply looking for safer personal communication, Arnacon adapts to your needs. Itβs ideal for individuals and teams. Telephony, Evolved Arnacon already offers calls and messaging between users and may also support regular phone numbers, so you can call and be called from the traditional phone network. Arnacon is more than a communication app - itβs a step into a future where you control your communication.
Screenshots
Verdict
FusionSIP and Arnacon are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· 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, Arnacon fortnightly. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.
| Parameter | FusionSIP | Arnacon |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Fortnightly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 11 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | EDNT GmbH | Cellact BV |
In-app purchases
FusionSIP
No in-app purchases
Arnacon
No in-app purchases









