Email info@muehldorfsd.com for help, content corrections, or advertising concerns.
Report a content issue
Include the question ID shown in the app, the answer or explanation you are questioning, and your app version. Avoid including private personal information.
Report an advertisement
Use the ad's own information controls where available, or use Settings → Report an ad in the app. Include the advertiser, approximate time, app version, and a screenshot if you choose.
Saved progress
Progress is local to each device. Settings → Reset study progress (Reset all study progress on iOS) removes active and saved study records while keeping your age choice and applicable preferences. See the Privacy Policy for iOS recovery copies, backups, and advertising-data deletion limits. The app does not offer account-based recovery or cloud synchronization.
Privacy
Read the privacy policy. Applicable advertising privacy choices are available in the app's Settings.
Terms of Use · Published by Muehldorf Software Development LLC, Amman, Jordan · Developer website