Spectra9
Essentials of Physics
Archived App (Last seen on 5 Jun 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This app provides clear, student-friendly explanations of fundamental physics laws with real-world examples. It focuses on pure understanding without quizzes, offering intuitive navigation for learners of all levels. An optional upgrade unlocks the full experience.
What's New in Spectra9
1.0
July 8, 2025
Developer apps
FAQ
What is Spectra9?
Spectra9 is an educational app designed to help users understand fundamental physics laws. It offers clear explanations and real-world examples in a minimalist, intuitive interface.
Is Spectra9 free to use?
Spectra9 is free to download and use, but it does contain advertisements. An optional upgrade is available to unlock the full experience without ads.
Does Spectra9 have ads?
Yes, Spectra9 contains advertisements. Users can opt for an upgrade to access the full experience without ads.
What learning methodology does Spectra9 use?
Spectra9 focuses on providing clear, student-friendly explanations and real-world examples of physics laws. It emphasizes pure understanding without the use of quizzes or pressure.
How does Spectra9 track user progress?
Spectra9 does not feature quizzes or pressure, so it does not actively track user progress in a traditional sense. The focus is on providing accessible information for self-directed learning.
What devices is Spectra9 available on?
Spectra9 is available on iPhones and iPads, making it accessible for a wide range of Apple users.
When was Spectra9 last updated?
Spectra9 was last updated on July 8, 2025, with version 1.0. This indicates it is a newly released application.
What is the age rating for Spectra9?
Spectra9 has an age rating of 4+, making it suitable for a very broad audience, including young learners.