iViewer 4 vs Savant
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.
Savant
Effortlessly manage your entire smart home from lighting and climate to entertainment and security. Personalize your environment with custom scenes and schedules, and gain intelligent control over your home's energy usage. Monitor and manage power consumption, even with solar panels or backup batteries.
- Unified smart home control
- Customizable scenes and schedules
- Real-time lighting visualization
- Intelligent energy monitoring
- Remote security access
- Multi-room audio/video control
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It’s the app that all other smart home apps have been modeled after. Innovative and beautifully designed, the Savant Pro app is the easiest and most intuitive way to manage your smart home. Control your lighting, climate, entertainment and security with a single app on your iOS device. Savant is the only smart home platform that also allows you to monitor and manage how power is used throughout your home. UNIQUE AND PERSONAL Get ready for next-level personalization. Automate your home with Savant Scenes to capture the perfect music, climate, lighting and security for every occasion. Create a schedule around your Savant Scenes or activate them manually using your voice, iOS devices, in-wall touch panels, Savant Pro Remotes, and keypads. The Savant Pro app also lets you customize your views—your rooms and home become the app, and with Savant’s award-winning TrueImage feature, you can visualize your lighting in real-time with images that update live as you adjust the settings. LIGHTING FOR LIFE Savant’s patented Daylight Mode adjusts color temperature to match the sun throughout the day, harmonizing with your natural circadian rhythm. And our impeccably designed keypads let you recall different lighting scenes that you’ve created in the app with just a single touch. INTELLIGENT CONTROL OVER ENERGY USE The Savant Power System is a truly smart energy solution that gives you personalized control over energy consumption, whether you’re 100% on the grid or you have solar panels, a generator or a backup battery. The Savant Power System lets you monitor and prioritize different electrical loads across your home, manage consumption during a grid outage, and gain insights about your historical usage. SECURITY AND SAFETY FROM ANYWHERE With Savant, you can control locks and garage doors, access your security and door entry systems, and access your cameras from anywhere. The app sends you customized notifications for critical events, such as extreme temperatures or motion alerts. AUDIO AND VIDEO EVERYWHERE Savant is an industry leader in audio and video switching technology. Get high fidelity digital audio pumped throughout the home with our newly re-designed music interface, which supports Spotify, Pandora, Tidal, Deezer, Sirius XM, TuneIn and more. Want to play video games while watching the big game? With the Savant Pro app, you can tile multiple video streams onto one screen, making it perfect for sports or news events. YOUR PERFECT CLIMATE Control virtually any climate system with Savant. Set climate schedules and control the temperature and lights for pools and spas. Create Savant Scenes to capture the perfect climate, lights and music for any occasion, accessible at the touch of a button through your thermostat. Ready to design your Savant smart home? Visit savant.com to find an authorized dealer.
Screenshots
Verdict
The clearest difference is review sentiment: iViewer 4 at 80% against Savant's 36%. iViewer 4 also leads on iOS requirement (8.0 vs 16.6). Savant's advantage is rating (4.4 vs 4.0) and ratings volume (8.6K vs 6). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Savant holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Savant has 8.6K ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 80% of iViewer 4's written reviews are positive against 36% of Savant's, so the app with the better star average is not the one people write more warmly about.
iViewer 4 ships an update every 4 months, Savant every 2 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.
| Parameter | iViewer 4 | Savant |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (6 ratings) | 4.4 (8.6K ratings) — better |
| Positive reviews | 80.0% of reviews — better | 36.3% of reviews |
| Number of ratings | 6 | 8.6K — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 8.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 24 MB | 377 MB |
| Age rating | 4+ | 4+ |
| Developer | CommandFusion Pty Ltd | Savant Systems Inc. |
Customer experience
iViewer 4
Savant
Bugs and requests
iViewer 4
Not enough reviews yet to summarise bugs or requests.
Savant
Reported bugs
4 issues- Lighting and shades control not working
- Doorbell and camera integration issues
- Syncing problems between app and hardware
- Unreliable Wi-Fi connectivity
Requested features
4 requests- Voice control integration
- Improved music playback and volume control
- Customizable scenes and automation options
- Better integration with third-party smart home devices
In-app purchases
iViewer 4
No in-app purchases
Savant
No in-app purchases









