Decode NAVTEX and RTTY marine weather transmissions on your iOS device. View safety messages and weather reports without a dedicated receiver. Save and transfer decoded text for later use.



35+ similar apps compared and reviewed
The Pendulum Timer is great, but it's not the only option. Explore 35+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.



Decode NAVTEX and RTTY marine weather transmissions on your iOS device. View safety messages and weather reports without a dedicated receiver. Save and transfer decoded text for later use.



Precisely set your mechanical watch using an atomic clock and track its accuracy over time with detailed charts. Identify potential service needs based on performance trends.






This app offers a highly accurate simulation of the classic HP-29C programmable scientific calculator. It features RPN input, extensive storage registers, and a wide range of mathematical and statistical functions. Users can program complex calculations, import/export programs, and view detailed program information.


This utility app replaces your physical barcode scanner, allowing you to scan various code types and instantly send the data to your Mac. It supports offline scanning and exporting scanned history to CSV.


Connect your drone via Wi-Fi to stream real-time video footage directly to your mobile device. Remotely control your aircraft's flight and capture aerial perspectives.


This app analyzes the ticking sound of mechanical pendulum clocks to determine their running rate and error. It's designed for accurate long-term measurements, allowing users to regulate clocks efficiently. Advanced features include printable reports and data export for in-depth analysis.


This app transforms your iPhone into a highly accurate sensor for calibrating cuckoo and pendulum clocks. It measures clock beats, calculates daily gain or loss, and guides you through precise adjustments for optimal timekeeping.




This application provides a simple grandfather clock simulation designed for relaxation. Enjoy the soothing chime and visual appeal of a classic timepiece.


This app uses augmented reality to provide a holographic measuring stick with a detailed ruler. It offers natural interaction for accurate measurements up to 10 feet or 9 meters, with precision down to 1/16 inch or 1mm.