Ublux vs Zfone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ublux
This app provides a VOIP calling solution for seamless international communication. It offers free app-to-app calls with high-definition quality and secure discussions. Access international numbers from 160 countries with 24/7 security and data encryption.
- International calling from 160 countries
- Free app-to-app calls
- High-definition call quality
- Secure discussions with data encryption
- Seamless integration with tools
- Scalable call volume
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Stay connected with your contacts on the go. Ublux puts a world-class international call application in your pocket, so you can handle calls anywhere, anytime. Ublux adapts to your needs, allowing you to make and receive calls seamlessly, integrating with your favourite tools. Apart from the typical functionalities, our complimentary VOIP application allows you to use more. Top-notch, free app-to-app calls. Enjoy high-definition calls and ensure secure discussions. Access international numbers from 160 countries and enjoy 24/7 security and data encryption. Scale your call volume up or down effortlessly. Experience Ublux for instant access, flexibility, and enhanced communication.
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
Ublux and Zfone 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.
Ublux ships an update every 7 months, Zfone every 8 months. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.
| Parameter | Ublux | Zfone |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 116 MB | 99 MB |
| Age rating | 17+ | 4+ |
| Developer | Ublux | Telco Depot Inc |
In-app purchases
Ublux
No in-app purchases
Zfone
No in-app purchases
