# Centra Connect vs Trulink Viewer

The clearest difference is rating: Centra Connect at 5.0 against Trulink Viewer's 3.4. Trulink Viewer's advantage is ratings volume (9 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Centra Connect holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Trulink Viewer has 9 ratings behind it against 1, so its average is the more settled of the two.

Centra Connect ships an update every 3 months, Trulink Viewer every 4 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Centra Connect | Trulink Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/centra-connect/id6443876138/reviews)** | [3.4 (9 ratings)](https://appshunter.io/ios/app/trulink-viewer/id6446467460/reviews) |
| Number of ratings | 1 | **9** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 115 MB | 64 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Advanced Communications LLC](https://appshunter.io/developer/1514873172) | [伟 岑](https://appshunter.io/developer/1678020912) |

## What reviewers say

### Centra Connect

[App page](https://appshunter.io/ios/app/centra-connect/id6443876138)

This communication app allows users to make and receive calls using their existing phone number. It supports high-definition voice and video, along with push notifications for incoming calls. Users can also enjoy free calling between other users of the application.

**Highlights:** SIP softphone functionality, Push notifications, HD voice and video calls, Free calling between app users

**In-app purchases:** none


### Trulink Viewer

[App page](https://appshunter.io/ios/app/trulink-viewer/id6446467460)

View and control your surveillance devices remotely. Stream live video and audio, manage PTZ functions, and receive push notifications for security events. Supports multi-camera views and remote playback.

**Highlights:** Live video streaming, PTZ control (Pan, Tilt, Zoom), Multi-camera view, Live audio streaming, Two-way communication, Remote playback, Push notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Centra Connect free?

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

### Is Trulink Viewer free?

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

### Which has better reviews, Centra Connect or Trulink Viewer?

Centra Connect is rated higher. Centra Connect averages 5.0 out of 5 from 1 ratings, while Trulink Viewer averages 3.4 from 9 ratings.

### Do Centra Connect or Trulink Viewer have ads?

Neither Centra Connect nor Trulink Viewer shows ads.

### Which is updated more often, Centra Connect or Trulink Viewer?

Centra Connect ships an update every 3 months, and Trulink Viewer every 4 months. Most recently, Centra Connect was updated on October 30, 2026 and Trulink Viewer on October 24, 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.*