Monitor your indoor air quality by displaying real-time CO2 levels from a compatible wireless sensor. Get essential environmental insights at a glance.

167+ iOS apps curated and reviewed
With an average user rating of 4.5★, the c02 monitor category is one of the App Store's strongest. Browse all 167+ apps we track, sorted so the most loved ones surface first.

Monitor your indoor air quality by displaying real-time CO2 levels from a compatible wireless sensor. Get essential environmental insights at a glance.






Monitor your blood oxygen level and heart rate effortlessly with our app and sync your Apple Watch for alerts about low levels. Easily track and log vital signs, take oxygen tests, estimate heart rate with the camera, and practice box breathing for calm—all in one app. Download now for free and stay informed about your cardiovascular health.






Discover vital system activity info with this app optimized for Apple devices, offering detailed insights into sensors, RAM, storage, CPU, network, battery, display, and more. Customize widgets and enjoy additional features with in-app purchases for an enhanced experience.


System Status Pro is an advanced monitoring tool for iOS devices, offering graphical data on CPU, memory, disk, battery, and network usage. Track performance metrics and device information easily with this comprehensive app.


System Status provides essential system monitoring for your iPhone and iPad, including CPU load, battery level, disk usage, and network connections. Monitor your device's performance in real time with this handy tool.


Track your device's performance with detailed system and hardware information including CPU, RAM, and more. Stay informed about your device's specifications and monitor its activity effectively.


This application turns multiple devices into wireless on-set monitors, allowing for multi-camera monitoring, communication, and collaboration. It enables users to stream content, browse, play, and edit metadata, and even create custom note fields and playlists, revolutionizing workflow and on-set decision-making.


Usage is a system activity monitor app that tracks device performance with customizable widgets, configurations, and detailed stats. Upgrade to the Pro version for comprehensive data insights and enhanced features.


The Libre app by Abbott is a comprehensive glucose monitoring solution that seamlessly integrates with the FreeStyle Libre 2 and Libre 3 system sensors. It provides real-time glucose readings, insights into patterns, optional alarms, and easy data sharing with healthcare teams and loved ones, making diabetes management more accessible and convenient.


Monitor is a remote control app for Sony cameras that offers live view, remote control features, and professional monitoring tools on your phone. Enjoy features like touch AF, focus pulling, assist functions, and more. Turn your phone into a professional camera monitor now!


Track your blood sugar levels, carb intake, and A1C with this comprehensive diabetes management app. Stay on top of your health effortlessly. Download now to take control of your diabetes management.


Get real-time insights into your iOS device with S2 - System Status Monitor Lite. Monitor disk space, network details, memory usage, battery status, and more with this elegant and simple app. No internet required for offline use. For feedback or suggestions, email azynclabs@yahoo.com.


Track your blood sugar levels easily and efficiently with this comprehensive diabetes log app, helping you manage your health better. Stay on top of your glucose levels and gain valuable insights to live a healthier lifestyle. Download now to take control of your diabetes management.


Monitor your baby with ease using our app - see, hear, and soothe your little one from your smart device. Stay connected through encrypted links and utilize features like HD camera, room thermometer, nightlight, talk back, and soothing sounds.


A universal video and audio baby monitor app that works on phones, tablets, and computers, allowing parents to hear every noise, see live video, soothe their child remotely, and more. With features like unlimited reach, activity log, lullabies, night light, and secure usage, it's a must-have for parents. Get more info at babymonitor3g.com and share your feedback at support@tappytaps.com.


Turn your Apple Watch into a Bluetooth heart rate monitor with ECHO. Connect your heart rate to various fitness apps and equipment, track customized heart rate zones, and enjoy a free 20-minute workout trial. Transform your workout experience today!




Track your blood sugar levels, carbs intake, and A1C with this comprehensive diabetes management app. Monitor your progress, set reminders, and stay on top of your health easily. Download now to take control of your diabetes management.


Experience creativity and productivity like never before with our innovative digital canvas app. Unleash your artistic potential with a range of tools and features designed to inspire. Download now and let your imagination run wild!

