goldbet

goldbet is a free, offline learning app that makes rocket science simple. Explore guided lessons, rocket profiles, and mission histories built for students, hobbyists, and future aerospace engineers. Track your progress, unlock badges, and test yourself with quizzes — all without internet, ads, or accounts.

What you get:
- Structured modules that explain propulsion, engines, orbits, stages, guidance, and mission design in plain language.
- Rocket database with specs for Falcon 9, Falcon Heavy, Starship, SLS, Saturn V, New Glenn, New Shepard, and more.
- Mission library covering Apollo, Artemis, Shuttle, ISS, Crew Dragon, Hubble, James Webb, and Mars missions — all stored locally.
- Quizzes (multiple choice, true/false, image-based, timed) that level you up and unlock badges and extra packs.
- Progress tracking across modules, rockets, and missions.
- Unlockable extra packs included in the app (Advanced Propulsion, Deep Space Missions, Rocket Cutaways, Historical Rockets, Kids Fun Pack) — earned by perfect quizzes or module completion.
- Designed for all ages: clear visuals, simple language, no jargon required.
- Works completely offline. No ads. No payments. No sign-up. No data collection.

Why goldbet:
- Built for offline and low-connectivity users — everything ships with the app.
- Balanced for fast learners and beginners with bite-sized lessons and visual aids.
- Covers modern companies (SpaceX, NASA, Blue Origin) and historic programs (Apollo, Shuttle, Saturn V).
- Made for students, teens, and adults who want an engaging path into aerospace topics.