This utility tool calculates subnet masks based on IP and subnet inputs. It supports both IP and CIDR formats, determines class-based network numbers, and saves previous calculations for easy access. Users can also check the class of any IP address.






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Whether you want more options like HiMobile or a completely different take on the same concept, our curated list of 14+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






This utility tool calculates subnet masks based on IP and subnet inputs. It supports both IP and CIDR formats, determines class-based network numbers, and saves previous calculations for easy access. Users can also check the class of any IP address.








This utility app enables seamless Modbus TCP communication with Wi-Fi enabled devices. Perform essential read and write operations directly from your mobile device, eliminating the need for a laptop for simple checks.


Control and monitor smart security devices remotely. View equipment status in real-time and share access with others. Offers cloud storage for recorded data.


Access and control Modbus devices directly from your iPhone or iPad. Monitor PLCs, perform low-level control, and troubleshoot network issues. Ideal for learning, testing, and developing Modbus/TCP devices.




Quickly add measurements, text, and drawings to your photos. This utility app helps you tag sizes, add comments, and mark up images efficiently, reducing work time for tasks like decoration or general measuring. Save and export your annotated projects with ease.


This app provides a secure MQTT client for communicating with IoT devices using X.509 authentication and AES-128 encryption. It allows for customized messages and topics, offering a robust solution for secure IoT project communication.


This utility helps IT professionals and students design efficient networks. It provides essential data for subnetting, including ranges, adjacent networks, broadcast addresses, and IP coverage checks.