Orbital Simulator vs Việt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Interactive orbital simulations
- Kepler's Laws visualization
- Orbital maneuver practice
- Real-time solar system view
- Customizable orbital parameters
- Detailed educational content
- Mission-based challenges
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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!
Việt
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Today, learning English is very popular and big common question is that “How to speak English fluently” or “how to learn English speaking effectively”. In non English speaking country, most of people are less confident on their English speaking skill than other skills From that problem, Icorrect want to support everyone to improve English speaking skill by creating an environment for practicing their skill based on IELTS speaking test IELTS exam have been used to test the Spoken English ability of non-native speakers wishing to immigrate or enroll in universities. In IELTS practice test, Speaking skill also is the most difficult skill. It is hard for IELTS test taker to self-study because it is required an expert to correct their speaking test and practice with. However one expert can only carries one IELTS speaking interview with one person at one time. Therefore even people taking an English speaking course, they still don't have enough time to practice with their teacher. It’s commonly that IELTS test takers have to pay money to take an IELTS mock test at center if they want to practice under IELTS exam -condition. Despite of that fact, arranging time is still a problem The lack of qualified examiners, IELTS exam candidates have to self-study with inauthentic documents . Icorrectvn solved all problems by supporting IELTS test takers and general English learner to practice under IELTS speaking test -condition. Icorrectvn also connects users to professional examiners/expert as well as other users Main Features: - SIMULATED TEST Icorrectvn give user simulated tests. These ielts mock test are organized in the same structure with the real ielts practice test and verified by expert team. When you take the test, instead of looking at a list of IELTS speaking questions, app will play videos of examiner asking. After each question, app will automatically record the your answer - REVIEW THE PERFORMANCE Icorrectvn allows you to review your IELTS speaking test when it finished. the app will compile all of your answers in the same order that you took the test as a complete IELTS interview. you can also re-answer all the question as long as you want . If you are finding an english speaking app and want to learn how to learn english speaking effectively, Icorrectvn is created for you.
Screenshots
Verdict
The clearest difference is ads: Việt at none against Orbital Simulator's shown. Việt also leads on update cadence (every 3 days vs fortnightly). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Orbital Simulator ships an update fortnightly, Việt every 3 days. The most recent releases landed on October 22, 2026 and October 4, 2026 respectively.
| Parameter | Orbital Simulator | Việt |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Number of ratings | 6 — better | — |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 247 MB | 46 MB |
| Age rating | 17+ | 4+ |
| Developer | Renzo Macedo | CSUPPORTER JOINT STOCK COMPANY |
In-app purchases
Orbital Simulator
No in-app purchases
Việt
No in-app purchases









