# SessionTalk Pro Softphone vs PortSIP ONE

The clearest difference is price: PortSIP ONE at Free against SessionTalk Pro Softphone's $6.99. PortSIP ONE also leads on in-app purchases (none vs 1). SessionTalk Pro Softphone's advantage is chart position (#84 vs unranked). On update cadence, ads, device support and iOS requirement there is nothing between them.

PortSIP ONE is free to download; SessionTalk Pro Softphone costs $6.99 up front. SessionTalk Pro Softphone sells 1 one-off in-app purchase. PortSIP ONE asks for nothing beyond the download.

SessionTalk Pro Softphone ships an update every 2 weeks, PortSIP ONE fortnightly. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SessionTalk Pro Softphone | PortSIP ONE |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.1 (30 ratings)](https://appshunter.io/ios/app/sessiontalk-pro-softphone/id357429372/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 62.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#84** | — |
| Size | 64 MB | 146 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SessionTalk Ltd](https://appshunter.io/developer/357429375) | [PortSIP Solutions, Inc.](https://appshunter.io/developer/426903821) |

## What reviewers say

### SessionTalk Pro Softphone

[App page](https://appshunter.io/ios/app/sessiontalk-pro-softphone/id357429372)

**Currently charting:** #84 Top Paid · Social Networking (US App Store)

This mobile SIP client enables high-quality enterprise VoIP calls over LTE and WiFi. It offers features like video calls, SMS messaging, multiple account support, and advanced call management, all with minimal battery impact. It integrates seamlessly with cloud telephony solutions.

**Highlights:** SIP VoIP calls over LTE and WiFi, Video Calls, SMS Messaging, Multiple simultaneous accounts, Advanced call management (transfer, conference), TLS Encryption and SRTP secure calls, Call Recording

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| G.729 Annex A Codec | $2.99 | one-time |


### PortSIP ONE

[App page](https://appshunter.io/ios/app/portsip-one/id6504066513)

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

**In-app purchases:** none


## Frequently asked questions

### Is SessionTalk Pro Softphone free?

SessionTalk Pro Softphone costs $6.99, and also offers in-app purchases.

### Is PortSIP ONE free?

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

### Do SessionTalk Pro Softphone or PortSIP ONE have ads?

Neither SessionTalk Pro Softphone nor PortSIP ONE shows ads.

### Which is updated more often, SessionTalk Pro Softphone or PortSIP ONE?

SessionTalk Pro Softphone ships an update every 2 weeks, and PortSIP ONE fortnightly. Most recently, SessionTalk Pro Softphone was updated on October 22, 2026 and PortSIP ONE on October 14, 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.*