# Ublux vs Zfone

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.

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 10 months. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Ublux | Zfone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ublux/id6467048472/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 10 months |
| Monetization | Free | — |
| Size | 116 MB | 116 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Ublux](https://appshunter.io/developer/1708098836) | [Telco Depot Inc](https://appshunter.io/developer/1798939381) |

## What reviewers say

### Ublux

[App page](https://appshunter.io/ios/app/ublux/id6467048472)

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.

**Highlights:** 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

**In-app purchases:** none


### Zfone

[App page](https://appshunter.io/ios/app/zfone/id6742549416)

**In-app purchases:** none


## Frequently asked questions

### Is Ublux free?

Ublux is free to download, with no in-app purchases.

### Is Zfone free?

Zfone is free to download, with no in-app purchases.

### Do Ublux or Zfone have ads?

Neither Ublux nor Zfone shows ads.

### Which is updated more often, Ublux or Zfone?

Ublux ships an update every 7 months, and Zfone every 10 months. Most recently, Ublux was updated on October 9, 2026 and Zfone on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*