Gravity Courier: Orbit Puzzle
Orbital puzzle in space
Free · In-App Purchases
You are a space delivery controller. Your only job: choose when, which way, and how hard to launch — then let gravity do the rest.
Gravity Courier is a minimalist orbital puzzle built on real physics. The Sun, planets, and moons are genuinely orbiting in real time. There is no joystick, no thrust-and-steer. You read the dance of the planets, pull back a slingshot to aim, pick the launch moment, and fire. From there, gravity alone bends your probe's path — so a straight shot will never work. Predict the curve, use a planet's pull, and arrive exactly on target.
WHY IT FEELS DIFFERENT • Real orbital mechanics — Keplerian planet motion + true n-body gravity on your probe. Deterministic, fair, and endlessly satisfying to "solve." • One decision, infinite depth — only date, direction, and thrust. Easy to grasp, hard to master. • A living solar system — Mercury to Neptune orbit at their own speeds. Change the launch date and the whole board lines up differently.
MISSIONS ACROSS THE SOLAR SYSTEM • Orbit — loop a planet or moon without escaping or crashing • Flyby & return — swing around the Moon's far side and let gravity sling you home • Landing — enter a gravity well and settle into a soft touchdown • Reach — time an interplanetary transfer to meet a moving planet where it will be • Gravity assist — skim a giant planet and steal a free push • Orbital cleanup — ram drifting space debris before it spreads
FEATURES • 90+ handcrafted missions across the Sun, Moon, Venus, Mars, Jupiter, Saturn, and the outer planets • Predicted-path preview with a closest-approach marker — line up the gap and you'll hit • Reserve a mid-flight boost on your trajectory, or fire it by hand • Star ratings reward fuel economy and fast transfers — chase that 3-star run • Replay any flight and export it as a video to share • Clean, quiet, starfield aesthetic with a calming soundtrack • 13 languages • Play offline • One-time "Remove Ads" available
No timers pushing you. No pay-to-win. Just you, the planets, and one perfect launch.
Read the orbits. Launch right. Safe orbits, courier.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Delivery just got a whole lot more satisfying!
- Missed by a hair? We now show how many km you were from the target — nail it on the next launch!
- All-new success celebration: stars pop one by one, your score counts up, and badges rain down — New Record, First Delivery, ONE SHOT, and delivery streaks.
- Special celebrations for Bullseye hits and completing a chapter, plus haptic feedback throughout.
- New Cosmetics Shop: spend mission-earned credits on hull paints, engine flames, trajectory colors, and a fireworks explosion — with a live preview.
- Quality-of-life polish: mission progress bar, slow-mo on orbit-zone entry, tap to skip cutscenes, and more.
The developer, Jegeon Jung, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Jegeon Jung
- Size
- 31.9 MB
- Category
- Simulation
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- 광고제거 USD 3.99
- Copyright
- © 2026 Jegeon Jung
