geotimescale 2 is a comprehensive reference app for iPhone users, offering a quick overview of Earth's geologic time scale. Whether you're a student, educator, professional geologist, or simply fascinated by geology, this app provides an easy-to-use interface to explore the history of our planet. With no internet connection required, it's perfect for on-the-go use.

The app features two different views: The Geologic Time Scale Without Ages displays the names of eons, eras, periods, and epochs with corresponding dates. By selecting the With Ages option, users can also view the names of ages within epochs along with their dates. Information icons are strategically placed throughout the scale, offering additional insights into significant events like the extinction of the dinosaurs at 66 million years ago.