Comparison

Orbital Simulator vs Heliosphere

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Orbital Simulator

Explore orbital mechanics through interactive simulations and real-time solar system data. Learn about Kepler's Laws, practice orbital maneuvers, and engage in mission objectives. Ideal for students and space enthusiasts.

Highlights
  • Interactive orbital simulations
  • Kepler's Laws visualization
  • Orbital maneuver practice
  • Real-time solar system view
  • Customizable orbital parameters
  • Detailed educational content
  • Mission-based challenges
Features
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Embark on an interactive journey through space with Orbital Simulator: Explore. This comprehensive app is designed to educate and engage users of all levels, from space enthusiasts to students, offering a deep dive into the fascinating world of orbital mechanics. Key Features: Interactive Simulations: Experiment with circular, elliptical, and hyperbolic orbits. See how changing parameters like semi-major axis, eccentricity, and inclination affect trajectories. Kepler’s Laws: Visualize and understand Kepler’s three laws of planetary motion with clear, interactive simulations. Orbital Maneuvers: Practice key maneuvers such as Hohmann transfers, Lambert transfers, and circularizations. Learn how these maneuvers are used in real space missions. Real-Time Solar System: View real-time positions of planets and moons within our solar system. Understand how celestial bodies interact and move over time. Customizable Parameters: Adjust orbital parameters and see the immediate effects on your spacecraft's trajectory. Experiment with different scenarios and learn through hands-on experience. Educational Content: Access detailed explanations, tutorials, and guides designed to enhance your understanding of space mechanics and celestial navigation. Dynamic Environment: Navigate complex gravitational fields in various scenarios, including binary star systems and multi-body interactions. Mission Objectives: Engage in missions that challenge you to establish orbits, perform transfers, and navigate through dynamic environments. Each mission helps you apply theoretical knowledge to practical scenarios. Visual Trajectory Paths: Visualize the path of your spacecraft with real-time trajectory lines. Understand the impact of your maneuvers and improve your navigation skills. Why Choose Orbital Simulator: Explore? For Space Enthusiasts and Students: Whether you’re a budding astronomer or a seasoned space enthusiast, this app offers valuable insights and engaging content for all levels. Educational Tool: Ideal for classroom settings or individual study, providing interactive and immersive learning experiences. User-Friendly Interface: Intuitive controls and clear visuals make it easy to understand complex concepts. Constant Updates: We continuously update the app with new features, scenarios, and educational content to keep your learning experience fresh and relevant. Download Orbital Simulator: Explore now and embark on your journey through the stars. Master the art of orbital mechanics, explore the intricacies of celestial navigation, and experience the wonder of the cosmos. Join a community of space enthusiasts and students who are exploring the universe, one orbit at a time. Ready to become an orbital mechanic? Your adventure starts here!

About

Heliosphere

Explore a real-time 3D simulation of the solar system, planets, moons, and spacecraft using accurate astronomical data. Learn about celestial bodies and space missions with educational content and quizzes.

Highlights
  • Real-time 3D solar system simulation
  • Live spacecraft tracking
  • Deep sky exploration
  • Comprehensive astronomy education
  • Time travel from 1900 to 2100
  • Planet-centric viewing mode
Features
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Explore the solar system at your fingertips. Heliosphere is a real-time 3D solar system simulation powered by NASA JPL Horizons data. It accurately recreates the orbits of planets, moons, comets, and dwarf planets while tracking the real positions of active spacecraft. * Real-time 3D Solar System Simulation — 8 planets, 5 dwarf planets, 10+ moons, and 4 comets — Precise Keplerian orbit calculations based on real astronomical data — Time travel from 1900 to 2100 — Pan, zoom, and rotate for a free-roaming perspective — Switch to planet-centric viewing mode * Live Spacecraft Tracking — Voyager 1, 2 | Pioneer 10, 11 — Cassini | Juno | New Horizons | Parker Solar Probe — Real position data from NASA JPL Horizons API * Deep Sky Exploration — Over 150 bright stars — 530 Milky Way stars — 124 deep-sky objects (Messier, NGC/IC catalogs) * Comprehensive Astronomy Education — 6 difficulty levels from middle school to graduate — Core concepts: Kepler's Laws, gravity, escape velocity, and more — Mission timelines for Voyager, Cassini, New Horizons, and others — 60+ quiz questions to test your knowledge — Historical space event date-guessing challenges * Free for Everyone — All content available at no cost — No ads — 11 languages supported Experience the beauty of the cosmos and the wonder of science through scientifically accurate data and intuitive interaction.

Screenshots

Orbital Simulator4 screens
Heliosphere4 screens

Verdict

The call

The clearest difference is rating: Orbital Simulator at 5.0 against Heliosphere's 3.0. Orbital Simulator also leads on in-app purchases (none vs 3) and ratings volume (6 vs 2). Heliosphere's advantage is ads (none vs shown) and update cadence (every 3 days vs fortnightly). On price and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Heliosphere sells 3 one-off in-app purchases. Orbital Simulator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Orbital Simulator holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

UpkeepUpdate frequency

Orbital Simulator ships an update fortnightly, Heliosphere every 3 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Orbital Simulator versus Heliosphere: the parameters behind the verdict, then further details
ParameterOrbital SimulatorHeliosphere
PriceFreeFree
Rating5.0 (6 ratings) — better3.0 (2 ratings)
Positive reviews—50.0% of reviews
Number of ratings6 — better2
Update frequencyFortnightlyEvery 3 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, Vision Pro
Requires iOS12.0 — better18.0
Further details — not scored
Size247 MB37 MB
Age rating17+4+
DeveloperRenzo MacedoCHUNGKIL KIM

Customer experience

Orbital Simulator

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Heliosphere

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Orbital Simulator

No in-app purchases

3 purchases

Heliosphere

One-time3
  • 1 Coffee$2.99
  • 3 Coffees$8.99
  • 5 Coffees$14.99

Questions

Is Orbital Simulator free?
Orbital Simulator is free to download, with no in-app purchases.
Is Heliosphere free?
Heliosphere is free to download, with in-app purchases available.
Which has better reviews, Orbital Simulator or Heliosphere?
Orbital Simulator is rated higher. Orbital Simulator averages 5.0 out of 5 from 6 ratings, while Heliosphere averages 3.0 from 2 ratings.
Do Orbital Simulator or Heliosphere have ads?
Orbital Simulator shows ads; Heliosphere does not.
Which is updated more often, Orbital Simulator or Heliosphere?
Orbital Simulator ships an update fortnightly, and Heliosphere every 3 days. Most recently, Orbital Simulator was updated on October 22, 2026 and Heliosphere on October 24, 2026.

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