Comparison

PBX vs FusionSIP

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

Head to head
About

PBX

Features
Read full description

PracBiz is a leading provider of B2B supply chain solution in the grocery retail industry in Singapore. Retailers and suppliers are exchanging business and financial documents, such as purchase orders, sales orders, invoices and credit notes, securely via the PracXchange.

About

FusionSIP

Features
Read full description

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 communicationβ€”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.

Screenshots

PBX4 screens
FusionSIP4 screens

Verdict

The call

The clearest difference is update cadence: FusionSIP at every 2 weeks against PBX's every 4 months. PBX's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PBX ships an update every 4 months, FusionSIP every 2 weeks. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

Scorecard2 real differences Β· 4 level
PBX versus FusionSIP: the parameters behind the verdict, then further details
ParameterPBXFusionSIP
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS12.0 β€” better15.0
Further details β€” not scored
Size28 MB11 MB
Age rating4+4+
DeveloperPracBiz Pte LtdEDNT GmbH

In-app purchases

None

PBX

No in-app purchases

None

FusionSIP

No in-app purchases

Questions

Is PBX free?
PBX is free to download, with no in-app purchases.
Is FusionSIP free?
FusionSIP is free to download, with no in-app purchases.
Do PBX or FusionSIP have ads?
Neither PBX nor FusionSIP shows ads.
Which is updated more often, PBX or FusionSIP?
PBX ships an update every 4 months, and FusionSIP every 2 weeks. Most recently, PBX was updated on September 12, 2026 and FusionSIP on September 15, 2026.

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