# SIPERB vs ConVox Softphone

The clearest difference is update cadence: ConVox Softphone at weekly against SIPERB's every 2 weeks. ConVox Softphone also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SIPERB ships an update every 2 weeks, ConVox Softphone weekly. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SIPERB | ConVox Softphone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/siperb-mobile-softphone/id6553983983/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 46 MB | 38 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SIPERB LTD](https://appshunter.io/developer/1758049821) | [Ajay Kumar](https://appshunter.io/developer/1760179616) |

## What reviewers say

### SIPERB

[App page](https://appshunter.io/ios/app/siperb-mobile-softphone/id6553983983)

This app transforms your mobile device into a full business phone extension, enabling VoIP voice and video calls, messaging, and call management. It seamlessly integrates with existing SIP PBX systems, offering a unified communication experience across devices for remote and hybrid teams.

**Highlights:** VoIP voice and video calls, Business call control (hold, transfer, conference), Integration with existing SIP PBX, Cross-device synchronization, Admin web portal for management, Voicemail to email/transcription

**Features:** Vision Pro support

**In-app purchases:** none


### ConVox Softphone

[App page](https://appshunter.io/ios/app/convox-softphone/id6761534713)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SIPERB free?

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

### Is ConVox Softphone free?

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

### Do SIPERB or ConVox Softphone have ads?

Neither SIPERB nor ConVox Softphone shows ads.

### Which is updated more often, SIPERB or ConVox Softphone?

SIPERB ships an update every 2 weeks, and ConVox Softphone weekly. Most recently, SIPERB was updated on November 8, 2026 and ConVox Softphone on November 5, 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.*