PBX vs Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PBX
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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.
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 PBX's every 4 months. PBX's advantage is iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support 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.
PBX ships an update every 4 months, Smart every 3 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.
| Parameter | PBX | Smart |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 28 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | PracBiz Pte Ltd | EDNT GmbH |
In-app purchases
PBX
No in-app purchases
Smart
No in-app purchases
