What's New
Bug fixes
Improved UI
App Description
Supported Languages: German and English
With this app you can train your ability to calculate a weekday for any given date. It offers a great variety of training methods.
This app also gives you an overview of my method/simplification on how the algorithm works and how you can calculate it in your head.
App Changes
- October 19, 2017 Initial release
- June 15, 2019 New version 1.1
- September 28, 2019 Price increase: $15.99 -> $22.99
- October 09, 2019 New version 1.2
- July 15, 2020 Price increase: $22.99 -> $31.99
- September 16, 2023 New version 1.3