# iViewer 4 vs i3 pro

The clearest difference is rating: iViewer 4 at 4.0 against i3 pro's 3.3. iViewer 4 also leads on review sentiment (80% vs 38%) and iOS requirement (8.0 vs 13.0). i3 pro's advantage is update cadence (monthly vs every 4 months). On price, ratings volume, 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.

iViewer 4 holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 6 and 7 respectively. Written reviews point the same way: 80% of iViewer 4's written reviews are positive against 38% of i3 pro's.

iViewer 4 ships an update every 4 months, i3 pro monthly. The most recent releases landed on June 5, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | iViewer 4 | i3 pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (6 ratings)](https://appshunter.io/ios/app/iviewer-4/id451480063/reviews)** | [3.3 (7 ratings)](https://appshunter.io/ios/app/i3-pro/id1039770224/reviews) |
| Number of ratings | 6 | **7** |
| Positive reviews | **80.0% of reviews** | 38.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 24 MB | 60 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CommandFusion Pty Ltd](https://appshunter.io/developer/285304610) | [iRidium Ltd.](https://appshunter.io/developer/1050642680) |

## What reviewers say

### iViewer 4

[App page](https://appshunter.io/ios/app/iviewer-4/id451480063)

This app allows for two-way remote control of any TCP/IP or UDP capable hardware and software directly from your iOS device. It's ideal for home automation, enabling control of lights, temperature, AV, security, and more, with extensive customization options and scripting capabilities.

**Highlights:** Customizable interface with guiDesigner, Control multiple systems (TCP/UDP), JavaScript API for logic scripting, Two-way remote control, Parse system feedback, Supports all iOS devices

**In-app purchases:** none


### i3 pro

[App page](https://appshunter.io/ios/app/i3-pro/id1039770224)

Control smart homes, offices, and hotels with a unified interface. Integrate professional automation systems, multimedia, and IoT devices. Create unique, personalized control experiences for your environment.

**Highlights:** Smart home, office, hotel control, Integrates automation systems, Multimedia and IoT device control, Customizable user interfaces, Security, climate, lighting control, Audio/video and intercom integration

**In-app purchases:** none


## Frequently asked questions

### Is iViewer 4 free?

iViewer 4 is free to download, with no in-app purchases.

### Is i3 pro free?

i3 pro is free to download, with no in-app purchases.

### Which has better reviews, iViewer 4 or i3 pro?

iViewer 4 is rated higher. iViewer 4 averages 4.0 out of 5 from 6 ratings, while i3 pro averages 3.3 from 7 ratings.

### Do iViewer 4 or i3 pro have ads?

Neither iViewer 4 nor i3 pro shows ads.

### Which is updated more often, iViewer 4 or i3 pro?

iViewer 4 ships an update every 4 months, and i3 pro monthly. Most recently, iViewer 4 was updated on June 5, 2026 and i3 pro on September 26, 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.*