Extend your Windows PC's desktop to another device wirelessly or via USB. Use your tablet or phone as a drawing tablet or a portable second monitor for travel and productivity.




201+ iOS apps curated and reviewed
Out of 201+ rtu monitor apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.









Extend your Windows PC's desktop to another device wirelessly or via USB. Use your tablet or phone as a drawing tablet or a portable second monitor for travel and productivity.




Transform your phone into a professional camera monitor with live view and remote control capabilities. Access camera content, utilize advanced assist functions, and even record live feeds. A Pro version unlocks even more powerful features for enhanced filmmaking.


Monitor your device's core performance metrics with this utility app. It provides real-time information on battery status, disk usage, CPU load, and network connections. Customize your view with light or dark themes and receive instant updates on system changes.


Monitor your iPhone and iPad's performance with detailed insights into CPU, memory, disk, battery, and network usage. View real-time graphs, hardware specs, and system details. Export data via email or AirPrint.


Monitor your iOS device's system status with detailed information on disk, network, cellular data, and RAM. View real-time specifications like battery, boot time, and uptime. This app offers an elegant and simple interface for offline use.


This app provides comprehensive system activity information for Apple devices, including detailed insights into hardware, sensors, and network status. It offers privacy controls, customizable widgets, and advanced testing and reporting features through optional in-app purchases.


Monitor your baby from anywhere with a secure, crystal-clear HD view. This app allows you to check room temperature, speak to your baby, and play soothing sounds. Premium features offer advanced sleep tracking and cry interpretation.


Monitor your device's system activity and performance with detailed tracking of storage, memory, network, and battery usage. Customize graphs and widgets for instant insights, with cloud sync available. Upgrade to Pro for advanced features and comprehensive data.


Receive instant alerts for website, server, and service outages. This app provides a clear overview of your online service status and allows for customizable home screen widgets to keep you informed at a glance.


Monitor your child remotely using two smartphones over WiFi, 3G, or LTE. Features AI-powered cry detection, HD streaming, and secure data encryption. Get instant alerts when your baby wakes up or when the device battery is low.


This app transforms your iPhone into a baby monitor, alerting you to your baby's cries via SMS or live video stream. It offers remote flashlight, lullabies, and talkback features, with a subscription unlocking advanced video monitoring.


Gain deep insights into your device's performance with detailed information on CPU, RAM, battery, storage, and network. Monitor key metrics, run performance tests, and generate customizable reports. Stay informed with convenient widgets and a built-in compass.


Monitor your device's data usage, network speed, memory, and storage with customizable widgets for your home and lock screens. Get detailed hardware specifications and compare them with other models. Enjoy a simple, intuitive design with no subscriptions.


Monitor your iPhone, iPad, Apple Watch, and Apple TV's performance with detailed insights into thermal states, memory, CPU, network, and storage usage. Offers a user-friendly interface with light and dark themes, plus customizable widgets for quick access to key information.




Access and control your Mac, Windows, Linux, or Raspberry Pi computers remotely from any device. Enjoy fast, secure connections with features like privacy masking, multi-display support, and file transfer.


Monitor your iOS device's system activity and sensor performance in real-time. View detailed device information, track CPU and memory usage, and test sensors like GPS, accelerometer, and gyroscope.


Stream content from NDI devices directly to your iOS device. This application acts as a monitor for NDI sources, allowing you to view content from devices like HDMI encoders on your iPhone or iPad.


Stream your DaVinci Resolve viewer in real-time to multiple devices, including computers and mobile devices. Facilitates color-accurate HDR viewing for remote collaboration among creative professionals, enabling seamless synchronization.