250+ iOS apps curated and reviewed
If you already know Khronos 24h, this is the deeper bench. 250+ khronos 24h apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Aug 2026 |
| 2 |  | Free | 4.8★ (23K) | No | No | Aug 2026 |
| 3 |  | Free | 3.9★ (12) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.8★ (54K) | No | No | Aug 2026 |
| 5 |  | Free | 4.6★ (286K) | No | No | Aug 2026 |
| 6 |  | Free | 1.0★ (5) | Yes | No | Aug 2026 |
| 7 |  | Free | 1.9★ (16) | No | No | Aug 2026 |
| 8 |  | Free | 4.6★ (25K) | No | No | Aug 2026 |
Monitor your security system directly from your mobile device. Check alarm status, arm/disarm the system, view live camera feeds, and manage service orders. You can also make calls to registered contacts.
This app allows you to unlock doors using your smartphone. It provides secure access control for buildings and facilities, enabling you to manage who enters and when. You can also grant and revoke access remotely.
This app provides secure two-factor authentication (2FA) and multi-factor authentication (MFA) by generating time-based one-time passwords (TOTP) for online accounts. It offers encrypted backups, cloud sync, and QR code support for easy account management across multiple devices.
Control your ADT+ home security system and compatible smart devices remotely. Monitor your home, manage access, and receive alerts for events. Features include live video streaming, two-way talk, and smart home device integration.
Manage your home or business security and smart devices remotely. Arm/disarm your system, view live and recorded video, control lights, locks, thermostats, and garage doors. Automate actions for convenience and peace of mind.
Monitor your home remotely with real-time video feeds. Customize detection areas and schedules for specific rooms. Capture photos and videos instantly to save important moments or emergencies.
Transform your smartphone into a secure mobile credential, eliminating the need for physical access cards. Easily send or receive digital credentials for properties via email. This app offers powerful access control for employees, administrators, and installation partners.
Monitor your property with live, ultra-high-definition video streams from your security cameras. Review past events, receive instant motion alerts, and customize settings for personalized security management. Access and control your devices remotely for peace of mind.
This app provides secure mobile authentication for accessing cloud apps, VPNs, and other services. It offers one-tap push authentication, secure one-time passcodes, and biometric unlock options for enhanced security and user experience. The app supports quick self-enrollment and can manage multiple authenticators.
Monitor your home security with live video streaming and motion detection. Receive instant alerts when movement is detected, allowing you to take immediate safety measures. Access your cameras from your phone to review footage anytime, anywhere.
Provides global threat awareness, support, and advice for organizations. Stay informed about safety and security incidents worldwide with alerts, detailed risk assessments, and expert advice. Includes emergency hotline access and company-specific notices.
This app functions as a surveillance system, allowing users to monitor their devices. It provides remote access and control for security purposes. The application is designed for users who need to keep an eye on their connected devices.
Control your smart home security devices, including locks and cameras, from anywhere. Record video 24/7, grant keyless entry, and receive real-time alerts. Share access with family and friends for enhanced peace of mind.
Monitor your home or business in real-time from your smartphone or tablet. Receive instant alerts for detected humans, faces, or vehicles. Easily share footage and recordings, and manage multiple devices with secure login.
This application offers 24/7 real-time home monitoring with HD video feeds and smart alerts. It allows two-way audio communication and prioritizes privacy through encrypted streams. Enjoy peace of mind with comprehensive home security.
Control your home security system remotely via SMS commands. Arm, disarm, and check the status of compatible GSM security systems. Configure system features and manage zones, contacts, and relays.
Secure your digital life by generating time-based one-time passwords for your accounts. This app provides offline access to verification codes, instant setup via QR code scanning, and encrypted backups for seamless device switching. It offers a distraction-free experience without advertisements.
This app provides 24/7 personal security services, connecting you with trained agents for guidance and assistance. It offers features like location sharing, emergency dialing, and live monitoring to enhance your safety and peace of mind.
Enhance your digital security and privacy with a suite of tools designed to identify online risks and manage personal information. Features include ad blocking, website protection, message filtering, battery health monitoring, and identity breach alerts.