# PortSIP UC vs LetsLinkApp

The clearest difference is update cadence: LetsLinkApp at weekly against PortSIP UC's fortnightly. PortSIP UC's advantage is iOS requirement (12.0 vs 26.0). 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.

PortSIP UC ships an update fortnightly, LetsLinkApp weekly. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PortSIP UC | LetsLinkApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (93 ratings)](https://appshunter.io/ios/app/portsip-uc/id426903818/reviews)** | — |
| Number of ratings | **93** | — |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 52 MB | 22 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PortSIP Solutions, Inc.](https://appshunter.io/developer/426903821) | [Shahrukh Panjwani](https://appshunter.io/developer/1871388827) |

## What reviewers say

### PortSIP UC

[App page](https://appshunter.io/ios/app/portsip-uc/id426903818)

This SIP-based softphone allows users to make and receive calls and instant messages over Wi-Fi or cellular data. It integrates with a PBX for push notifications and offers advanced call management features, including video conferencing. Security is a priority with encrypted signaling and audio.

**Highlights:** SIP-based calling and messaging, Push notifications with PBX integration, Contact list integration, Multi-call management, Video conferencing, Secure call signaling and audio encryption, HD video calls up to 1080P

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

**In-app purchases:** none


### LetsLinkApp

[App page](https://appshunter.io/ios/app/letslinkapp/id6758198184)

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

**In-app purchases:** none


## Frequently asked questions

### Is PortSIP UC free?

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

### Is LetsLinkApp free?

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

### Do PortSIP UC or LetsLinkApp have ads?

Neither PortSIP UC nor LetsLinkApp shows ads.

### Which is updated more often, PortSIP UC or LetsLinkApp?

PortSIP UC ships an update fortnightly, and LetsLinkApp weekly. Most recently, PortSIP UC was updated on October 20, 2026 and LetsLinkApp 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.*