Control4 vs CTK x BiLumix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
CTK x BiLumix
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CTK x BiLumix is the companion app for CTK x BiLumix headlamps and loupes. Register and manage your CTK x BiLumix products, and measure your pupillary distance (PD), working distance, and brightness in one app. Features and benefits • Product registration: register your CTK x BiLumix products in the app. • Product management: view and manage your registered products in one place. • PD measurement: uses the smartphone camera to measure the distance between your pupils. • Working distance and brightness measurement: measure your working distance and brightness. • Record management: automatically stores your measurement results in the app for convenient access. • Easy to use: an intuitive, user-friendly interface for all users. How to use 1. Register: launch the app and register your CTK x BiLumix product. 2. Measure: choose PD, working distance, or brightness and follow the on-screen guide. 3. Review results: view and save your measurement results. Results may vary depending on device, environment, and measurement conditions. About CTK x BiLumix headlamps and loupes are developed and manufactured by ChoiceTech Korea. This app is also developed and operated by ChoiceTech Korea. For product support or inquiries, contact ChoiceTech Korea.
Screenshots
Verdict
The clearest difference is device support: Control4 at 3 against CTK x BiLumix's 1. 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.
Control4 ships an update fortnightly, CTK x BiLumix every 11 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.
| Parameter | Control4 | CTK x BiLumix |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (74 ratings) — better | — |
| Positive reviews | 38.2% of reviews | — |
| Number of ratings | 74 — better | — |
| Update frequency | Fortnightly | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 253 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Snap One, LLC | ChoiceTech Korea Co., Ltd. |
In-app purchases
Control4
No in-app purchases
CTK x BiLumix
No in-app purchases









