Questions, bug reports or feedback about Engine Quiz for iPhone? Email us and we’ll get back to you.
When reporting a problem, please include your iPhone model, your iOS version, and what happened just before the problem.
Common questions
How does a round work?
Each round has 10 questions with 4 choices. After each answer you see a fact card about that engine.
Where do the specs come from?
Manufacturer published figures. If you spot a mistake, email us and we’ll fix it.
How do I reset my saved progress?
Delete the app and install it again. This clears everything the app saved on your iPhone.
Engine Quiz collects no personal information. Read the full Engine Quiz Privacy Policy.