Comparison

iViewer 4 vs Crestron Go

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

======= 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.

About

Crestron Go

This app provides an intuitive and reliable user interface for controlling various aspects of your home, workplace, or classroom. It offers dynamic navigation with interactive elements and real-time feedback for functions like lighting, temperature, and security.

Highlights
  • Intuitive user interface
  • Dynamic navigation with swiping
  • Interactive controls (knobs, sliders, gauges)
  • Real-time feedback on settings
  • Customizable control needs
  • Support for Super Retina display
Features
Read full description

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

iViewer 42 screens

Verdict

The call

The clearest difference is review sentiment: iViewer 4 at 80% against Crestron Go's 27%. iViewer 4 also leads on rating (4.0 vs 2.5) and in-app purchases (none vs 1). Crestron Go's advantage is ratings volume (31 vs 6). On price, update cadence, ads and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Crestron Go sells 1 one-off in-app purchase. iViewer 4 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

iViewer 4 holds the better App Store score, 4.0 against 2.5. That said, the two scores are not equally well evidenced: Crestron Go has 31 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 27% of Crestron Go's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
iViewer 4 versus Crestron Go: the parameters behind the verdict, then further details
ParameteriViewer 4Crestron Go
PriceFreeFree
Rating4.0 (6 ratings) — better2.5 (31 ratings)
Positive reviews80.0% of reviews — better27.3% of reviews
Number of ratings631 — better
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS8.0 — better14.0
Further details — not scored
Size24 MB117 MB
Age rating4+4+
DeveloperCommandFusion Pty LtdCrestron Electronics, Inc.

Customer experience

iViewer 4

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Crestron Go

All ratings30 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews11 reviews
Positive27.3%
Neutral0.0%
Negative72.7%

In-app purchases

None

iViewer 4

No in-app purchases

1 purchases

Crestron Go

One-time1
  • Crestron Go Tablet - Default$99.99

Questions

Is iViewer 4 free?
iViewer 4 is free to download, with no in-app purchases.
Is Crestron Go free?
Crestron Go is free to download, with in-app purchases available.
Which has better reviews, iViewer 4 or Crestron Go?
iViewer 4 is rated higher. iViewer 4 averages 4.0 out of 5 from 6 ratings, while Crestron Go averages 2.5 from 31 ratings.
Do iViewer 4 or Crestron Go have ads?
Neither iViewer 4 nor Crestron Go shows ads.
Which is updated more often, iViewer 4 or Crestron Go?
iViewer 4 ships an update every 4 months, and Crestron Go every 4 months. Most recently, iViewer 4 was updated on October 23, 2026 and Crestron Go on October 24, 2026.

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