225+ iOS apps curated and reviewed
With an average user rating of 4.5★, the nutone knock category is one of the App Store's strongest. Browse all 225+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 2.0★ (20) | No | No | May 2026 |
| 2 |  | Free | 4.8★ (174K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.7★ (1.8M) | No | No | Aug 2026 |
| 4 |  | Free | 4.5★ (29K) | No | No | Aug 2026 |
| 5 |  | Free | 4.6★ (51K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.6★ (35K) | No | No | Aug 2026 |
| 7 |  | Free | 4.5★ (35K) | No | No | Aug 2026 |
| 8 |  | Free | 4.7★ (155K) | No | No | Aug 2026 |
See and speak to visitors from anywhere in crystal clear HD. Features motion detection, night vision, and video recording for reliable home security. Never miss a visitor or delivery again.
Control your front door from anywhere with this app. Grant access to guests remotely, receive activity alerts, and automate locking and unlocking. Integrates with smart home systems and voice assistants.
Monitor your home remotely with video doorbells, security cameras, and alarm systems. Receive instant alerts for visitors and motion, view live HD video, and communicate with guests. Smart lights and alarm systems offer further control and safety features.
See, hear, and speak to visitors at your door from anywhere in the world. Receive instant notifications for doorbell presses and motion detection, ensuring you never miss a visitor or delivery. Securely unlock doors, garages, or gates remotely.
Receive instant alerts when visitors arrive or motion is detected. Monitor your home with high-definition video, allowing you to see, hear, and speak to visitors remotely. Offers cloud storage plans for extended monitoring.
Access your community building using your smartphone. Unlock doors remotely, send guest passes, and receive video calls from your main entrance. Enjoy convenient and secure access without physical fobs or cards.
Manage keyless entry, control smart home devices, and book on-demand services from a single, intuitive application. Designed for residents of modern buildings, it simplifies everyday tasks like unlocking doors, adjusting your environment, and accessing home services.
This app provides keyless entry for modern buildings, allowing users to unlock doors via a Doorcode or the app. It enables instant access for guests and services, and logs all entry activity.
Control and monitor your smart locks remotely, manage guest access with custom codes, and receive instant security alerts. Integrate with popular smart home ecosystems for enhanced automation and peace of mind.
Monitor and control your garage door remotely from your smartphone. Receive custom notifications, grant access to family and guests, and set up automated rules for enhanced security and convenience.
Answer your door remotely using your mobile phone. Communicate with visitors and grant access with a single touch. This app also functions as a secure digital key for doors and gates, utilizing advanced technology for fast and reliable access.
Monitor your home's entry points with HD video and two-way audio. Receive instant alerts for visitors or motion, and integrate with other smart home devices for enhanced security and control.
Control your home remotely with this app. Manage door locks, thermostats, and create custom schedules for energy savings. Grant temporary access codes and automate routines for ultimate convenience.
Unlock your doors using your smartphone via Bluetooth. This app requires compatible hardware to function. Contact support directly within the app for any inquiries.
See live video of visitors at your door or lobby before answering. Receive notifications on your phone and choose to answer or ignore calls. Remotely unlock doors to grant access to guests.
Monitor and manage your smart home devices for comfort, safety, and water leak detection. Receive alerts whether you're home or away, and integrate with various smart home partners for comprehensive control.
Control and shop for a wide range of affordable smart home devices, from security cameras and sensors to smart lighting and appliances. Automate routines, monitor your home, and enhance your lifestyle with easy-to-use technology.
This app allows you to manage all your Roku smart home devices from a single interface. Control cameras, lights, plugs, and more, with features like live monitoring, two-way audio, and customizable notifications. Set schedules and automate your home for convenience and security.
Manage your older Lockly smart locks and safes. Remotely control access, generate temporary codes, and monitor activity logs. Integrates with voice assistants for convenient, hands-free operation.
Control and monitor your Schlage smart locks remotely from anywhere. Manage access codes, view lock history, and receive notifications for enhanced home security and convenience.