iViewer 4 vs Crestron Go
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iViewer 4
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.
- 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
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======= HOME AUTOMATION APP ======= - Customize entire interface with guiDesigner (free) - Control as many systems as required (TCP/UDP) - Logic scripting via powerful JavaScript API - Made for integration professionals - Supports all iOS devices (iPads, iPhones, iPods) - Works with any control system, including our own CommandFusion iViewer allows two way remote control of any hardware or software capable of TCP/IP or UDP communications, directly from your iPad, iPhone or iPod Touch. One of the many functions iViewer can be used for is home automation. Control your lights, temperature, AV, security, and much more! iViewer works seamlessly with our own hardware, as well as other systems such as Crestron, AMX, Control4, GlobalCache, basically any hardware can be controlled with iViewer so long as it can be controlled via Ethernet. Just create custom commands and macros to send to the devices via TCP or UDP and the rest is up to your imagination! Use our guiDesigner software to customize the interface to suit your needs. Full control over how each page looks and interacts. Assign custom commands to GUI objects to control any device on your network, both locally and remotely. Supports Gestures, Timers, Token assignment, dynamic commands, everything you need for full control over any Ethernet device. Parse feedback from any system with our powerful regular expression engine. Show temperatures, volume levels, light levels, etc, from any Ethernet system, right on your iPhone, no control system required! For the professionals, the entire interface and communication engine is scriptable via JavaScript using our API (http://www.commandfusion.com/docs/scripting) Visit www.commandfusion.com for more information.
Crestron Go
Control your smart home or workplace with a customized, intuitive interface. This app offers dynamic navigation, real-time feedback on various systems, and a sleek look consistent with mobile devices.
- Customizable user interface
- Dynamic navigation (swiping, knobs, sliders)
- Real-time feedback on system status
- Scalable buttons, sliders, and gauges
- Momentum scrolling toolbars and menus
- Support for Apple Super Retina display
- Integration with Crestron VC-4
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Whatever you do with your mobile device, you want the experience to be intuitive, reliable, and enjoyable. With the Crestron Go app, your Crestron dealer can provide you with a thoroughly satisfying and intuitive user interface, customized to meet your exact control needs in the home, workplace, classroom, or for any specialized application or market. Crestron Go leverages spectacular Crestron Smart Graphics™ to enable dynamic navigation that includes swiping, knobs, sliders, gauges, and scrolling lists. It includes a full set of scalable buttons, sliders, knobs, and gauges for controlling virtually any function with real-time feedback of audio settings, lighting levels, room temperature, and security system status. With Crestron Go, you get toolbars and menus that scroll with momentum at the flick of a fingertip, giving you easy access to all your controlled devices, functions, and media content. Crestron Go affords a look and feel that’s consistent with the mobile smart device experience, yet uniquely your own. With support for the Apple Super Retina® display, your UI will look its best, while support for the Crestron VC-4 gives you a centralized server based alternative to individual hardware based control systems in every room.
Screenshots
Verdict
The clearest difference is review sentiment: iViewer 4 at 80% against Crestron Go's 10%. iViewer 4 also leads on rating (4.0 vs 2.2) and in-app purchases (none vs 1). Crestron Go's advantage is ratings volume (99 vs 6). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Crestron Go sells 1 one-off in-app purchase. iViewer 4 asks for nothing beyond the download.
iViewer 4 holds the better App Store score, 4.0 against 2.2. That said, the two scores are not equally well evidenced: Crestron Go has 99 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 80% of iViewer 4's written reviews are positive against 10% of Crestron Go's.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.
| Parameter | iViewer 4 | Crestron Go |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (6 ratings) — better | 2.2 (99 ratings) |
| Positive reviews | 80.0% of reviews — better | 10.0% of reviews |
| Number of ratings | 6 | 99 — better |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 24 MB | 117 MB |
| Age rating | 4+ | 4+ |
| Developer | CommandFusion Pty Ltd | Crestron Electronics, Inc. |
Customer experience
iViewer 4
Crestron Go
Bugs and requests
iViewer 4
Not enough reviews yet to summarise bugs or requests.
Crestron Go
Reported bugs
27 issues- App crashes on iOS 16.4.1
- Project upload fails from VTProe
- Black screen on rotation or app re-launch
- App freezes upon opening
- App crashes constantly, especially on rotation
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- App hangs and crashes on iOS 16
- Keyboard not working in landscape mode
- Cannot enter credentials on new iPhone
- App breaks with OS 16 upgrade
- Family sharing not working
- WiFi IP address changing on new iPhone
- Volume bar not working
- App not working after transferring to new iPhone
- Settings page not showing completely
- Restore purchase directs to pay again
- App freezes when switching between apps
- Connection failures
- Cannot restore purchase through family share
- App fails to acknowledge prior in-app purchase
- Endless loop when migrating to new iPhone
- iTunes error during purchase recovery
- App stopped working after phone restore
- App doesn't work with new iPhone
- Intermittent issues with new iPhones
- App not working at all
- Setup issues on new iPhone
- App crashes before start
Requested features
9 requests- Fix restore purchase functionality
- Enable family sharing
- Improve app stability on new iOS releases
- Address keyboard issues in landscape mode
- Ensure settings transfer to new devices
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- Provide better consumer support
- Update app more frequently
- Fix volume bar functionality
- Improve app intuitiveness
In-app purchases
iViewer 4
No in-app purchases
Crestron Go
- Crestron Go - Default$99.99









