PBXAPP vs Zfone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PBXAPP
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PBXAPP is a custom telephonie app. Users can access the PBX through the application. Other than standart features, we are happy to present a costless VoIP application with high-quality free app-to-app calls.
Zfone
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Make voice and video calls, send messages, and stay connected with the Zfone Softphone App. A powerful and feature-rich free SIP softphone designed for all your calling needs, offering exceptional audio quality and seamless communication. It includes call forwarding, call transfer, free calls between app users, and call hold, ensuring you stay connected and in control. With customizable settings and push notifications, the app delivers a personalized experience.
Screenshots
Verdict
The clearest difference is update cadence: PBXAPP at every 2 months against Zfone's every 10 months. 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.
PBXAPP ships an update every 2 months, Zfone every 10 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.
| Parameter | PBXAPP | Zfone |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 109 MB | 116 MB |
| Age rating | 17+ | 17+ |
| Developer | Outbox AG | Telco Depot Inc |
In-app purchases
PBXAPP
No in-app purchases
Zfone
No in-app purchases
