
About
This aviation utility app simplifies applying cold temperature corrections for altitudes. It allows users to save frequently used altitude sets for rapid retrieval, enhancing efficiency in flight planning.
What's New in SubStandard
1.1.3
June 18, 2025
- added functionality to export and import the database
User reviews
Developer apps
FAQ
What is SubStandard used for?
SubStandard is an aviation utility designed to help pilots apply cold temperature corrections to altitudes. It also allows for the storage and quick retrieval of custom altitude sets.
Is SubStandard free to use?
Yes, SubStandard is available for free. There are no in-app purchases or subscription fees associated with its use.
What devices does SubStandard support?
SubStandard is compatible with iPhone, iPad, and iPod touch devices, running on iOS.
How often is SubStandard updated?
The app was last updated on June 18, 2025, indicating active development and maintenance by the developer.
What is the age rating for SubStandard?
SubStandard has an age rating of 4+, making it suitable for a wide range of users.
How accurate are the cold temperature corrections in SubStandard?
The app is designed to apply standard cold temperature corrections used in aviation. While the app itself is a tool, the accuracy of the correction depends on the input data provided by the user.
Can I save multiple sets of altitudes in SubStandard?
Yes, SubStandard allows you to store sets of altitudes for quick access later on, which is useful for frequently used flight plans or routes.
What do users think of SubStandard?
Based on the available data, SubStandard has a perfect 5.0-star rating from 2 reviews, suggesting a very positive user reception.







