Comparison

iViewer 4 vs Control4

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

Control4

Manage your smart home devices like lighting, music, and security from a single, intuitive interface. Customize your home screen and create automated routines for seamless control. Integrates with Apple HomeKit for Siri voice commands.

Highlights
  • All-in-one home screen control
  • Customizable favorites and widgets
  • Automated routines and scenes
  • Multiroom entertainment management
  • Live camera views and security alerts
  • Apple HomeKit and Siri integration
Features
Read full description

Easily manage your smart home with a sleek, intuitive interface. Control lighting, shades, music, security, and more—all from one place. Customize your home screen and create personalized routines for quick, seamless access. Now with enhanced features, including Siri voice control through Apple HomeKit. Contact a Control4 integrator to experience Control4 X4 today. NOTE: Prior to using this app, your Control4 system must be updated to Control4 X4 or later. If you are unsure of the software version of our system, check with your Control4 Integrator or log into your Control4 account at control4.com. A Smarter, More Personalized Experience • All-in-One Home Screen – Your central hub for controlling your favorite devices. Manage lighting, motorized shades, music, video, thermostats, security, cameras, door locks, garage doors, and more. See real-time status updates, access favorite devices, and control everything with ease. • Customizable Favorites – Pin the devices and controls you use most for instant access. • Quick Actions & Widgets – Resize, reorder, and organize widgets for seamless control over lighting, security cameras, and more. Personalized to You • Routines & Scenes – Save time by automating your day with pre-set routines for the morning, evening, or any moment in between. • Timers & Schedules – Set outdoor lights to turn on at sunset, TVs to turn off at bedtime, or security to arm at a set time. • Multiroom Entertainment – Control music and video in every room from one app. Play your favorite streaming services or set TVs to turn on when you walk in. Easy Control, Inside and Out • Live Camera Views – Monitor security cameras in real time and receive instant alerts. • Apple HomeKit Integration – Control your space with Siri, Apple Widgets, and CarPlay.* apple store only • Smart Notifications – Stay informed with alerts for doorbell rings, motion sensors, or security events. With the Control4 App, your space works the way you want it to — simplifying your life with effortless control. Download today and experience personalized automation like never before! *HomeKit, Siri, CarPlay are trademarks of Apple Inc., registered in the U.S. and other countries and regions.

Screenshots

iViewer 42 screens
Control44 screens

Verdict

The call

The clearest difference is review sentiment: iViewer 4 at 80% against Control4's 38%. iViewer 4 also leads on rating (4.0 vs 3.6) and iOS requirement (8.0 vs 18.0). Control4's advantage is update cadence (fortnightly vs every 4 months) and ratings volume (70 vs 6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

iViewer 4 holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: Control4 has 70 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 38% of Control4's.

UpkeepUpdate frequency

iViewer 4 ships an update every 4 months, Control4 fortnightly. The most recent releases landed on September 23, 2026 and October 16, 2026 respectively.

Scorecard5 real differences · 5 level
iViewer 4 versus Control4: the parameters behind the verdict, then further details
ParameteriViewer 4Control4
PriceFreeFree
Rating4.0 (6 ratings) — better3.6 (70 ratings)
Positive reviews80.0% of reviews — better38.2% of reviews
Number of ratings670 — better
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS8.0 — better18.0
Further details — not scored
Size24 MB253 MB
Age rating4+4+
DeveloperCommandFusion Pty LtdSnap One, LLC

Customer experience

iViewer 4

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

Control4

All ratings70 ratings
Positive60.0%
Neutral7.1%
Negative32.9%
Written reviews34 reviews
Positive38.2%
Neutral5.9%
Negative55.9%

In-app purchases

None

iViewer 4

No in-app purchases

None

Control4

No in-app purchases

Questions

Is iViewer 4 free?
iViewer 4 is free to download, with no in-app purchases.
Is Control4 free?
Control4 is free to download, with no in-app purchases.
Which has better reviews, iViewer 4 or Control4?
iViewer 4 is rated higher. iViewer 4 averages 4.0 out of 5 from 6 ratings, while Control4 averages 3.6 from 70 ratings.
Do iViewer 4 or Control4 have ads?
Neither iViewer 4 nor Control4 shows ads.
Which is updated more often, iViewer 4 or Control4?
iViewer 4 ships an update every 4 months, and Control4 fortnightly. Most recently, iViewer 4 was updated on September 23, 2026 and Control4 on October 16, 2026.

Other comparisons