The fastest way to reach us is the contact form inside the app (Settings > Contact us), or email info@bdsalesinc.ca. Most messages get a reply within a day.
Yes. The bank is written against the current regulations, including the post-2019 leak rates (10/20/30 percent), the 2020 leak-rule rescoping, and the AIM Act rules that took effect January 1, 2026. Every answer carries a plain-English explanation and a citation. If you believe a question is wrong, report it from the app; question accuracy reports get top priority.
The complete Core section (about 100 questions, study mode, the missed question review deck, and unlimited Core practice exams) is free forever. One purchase of $14.99 unlocks Types I, II, III, the Universal exam simulator, and weakness analytics. There is no subscription, and there never will be.
Completely. Everything ships inside the app. Airplane mode at the job site, in the truck, or at the testing center waiting room: all fine.
No. Progress saves on your device after every single answer and syncs privately through your iCloud account, so reinstalling or switching phones keeps your history.
EPA Section 608 exams are administered by EPA-approved certifying organizations, in person and online. The app links to the official list (Settings > Find an EPA-approved testing organization), or see epa.gov.
Settings > Restore purchase signs your unlock back in on any device using your Apple ID. If anything fails, email us.