Software Alternatives, Accelerators & Startups

Sky Map VS OpenSPH

Compare Sky Map VS OpenSPH and see what are their differences

Sky Map logo Sky Map

Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the...

OpenSPH logo OpenSPH

Education & Reference
  • Sky Map Landing page
    Landing page //
    2022-11-05
  • OpenSPH Landing page
    Landing page //
    2026-03-12

Sky Map features and specs

  • Open Source
    Sky Map is an open-source project, which means anyone can contribute to its development, customization, and improvement. This also allows for transparency in its codebase.
  • Free to Use
    The app is entirely free, making it accessible to a wide audience who are interested in stargazing without any monetary investment.
  • Educational
    Sky Map provides a rich educational resource, helping users learn about different celestial bodies and constellations in an interactive way.
  • User-Friendly Interface
    The app is designed to be intuitive and easy to use, making it suitable for users of all ages and levels of expertise.
  • Offline Functionality
    Users can download star maps for offline use, which is particularly useful for stargazing in remote locations without internet access.
  • Augmented Reality
    The app uses augmented reality to overlay star maps onto the sky, making it easier for users to identify and learn about celestial objects in real-time.

Possible disadvantages of Sky Map

  • Device Dependency
    The app's performance and accuracy can vary depending on the device's sensors and GPS capabilities. Older or less advanced devices may provide a suboptimal experience.
  • Limited Updates
    As an open-source project, the frequency and quality of updates can be inconsistent, depending on the availability and involvement of contributors.
  • Battery Usage
    Using Sky Map extensively can drain the device's battery quickly, particularly when using augmented reality features and GPS.
  • Learning Curve
    While generally user-friendly, complete beginners might initially find it challenging to use the app effectively without some prior knowledge or guidance.
  • Data Usage
    Downloading star maps and other data for first-time use or online functionality could consume a significant amount of data, which could be a concern for users with limited data plans.

OpenSPH features and specs

  • Open Source
    OpenSPH is open source, allowing users to access, modify, and contribute to its development, fostering a collaborative environment.
  • Scientific Computing
    It is designed for scientific computing, providing tools that are specifically tailored for simulations in astrophysics and fluid dynamics.
  • Customizability
    The software allows for significant customization and flexibility, helpful for researchers with specific requirements for their simulations.
  • Community Support
    Being open source, it benefits from community support, including forums and potential peer collaboration.

Possible disadvantages of OpenSPH

  • Complexity
    The software can be complex to use, especially for individuals who are not familiar with scientific computing or fluid dynamics.
  • Documentation
    Sometimes open source projects may have sparse documentation, which can make it difficult for new users to learn and troubleshoot.
  • Limited Audience
    Its specialized nature means it is primarily useful to a niche audience, such as researchers and scientists, rather than general users.
  • Resource Intensive
    Running large simulations can be resource-intensive, requiring powerful hardware to perform efficiently.

Analysis of Sky Map

Overall verdict

  • Sky Map is generally considered a good application for stargazing and educational purposes. Its user-friendly design and open source nature make it accessible to a wide audience. However, being a community-maintained project, users may occasionally encounter bugs or outdated features.

Why this product is good

  • Sky Map is an open source Android application that acts as a planetarium in your pocket. Originally developed by Google, it allows users to point their device at the sky and see a real-time overlay of stars, planets, and other celestial bodies. It is valued for its educational benefits, easy-to-use interface, and the extensive community support that continually contributes to its development.

Recommended for

  • Astronomy enthusiasts
  • Students and educators in the field of astronomy
  • Casual stargazers
  • People interested in learning more about celestial bodies
  • Those who appreciate open-source projects

Analysis of OpenSPH

Overall verdict

  • OpenSPH is a solid, specialized open-source tool for smoothed particle hydrodynamics simulations, particularly well-suited for astrophysical applications like asteroid collisions and planetary impacts. It's free, actively developed by an academic researcher, and produces high-quality scientific visualizations.

Why this product is good

  • Free and open-source, making it accessible for researchers, students, and hobbyists without licensing costs
  • Specialized for astrophysical SPH simulations such as asteroid collisions, fragmentation, and gravitational reaccumulation
  • Includes both a computational core and a GUI for visualization and analysis of simulation results
  • Developed and maintained by an active researcher (Pavel ล eveฤek), grounded in peer-reviewed scientific methods
  • Supports N-body gravity and material strength models relevant to planetary science
  • Well-documented with examples suited to academic and scientific use

Recommended for

  • Astrophysics and planetary science researchers studying asteroid and planetary collisions
  • Graduate students and academics needing an SPH simulation framework
  • Scientists requiring simulations of fragmentation and gravitational reaccumulation
  • Developers and hobbyists interested in open-source physics simulation code
  • Educational settings teaching computational physics and hydrodynamics

Sky Map videos

Google Sky Map

More videos:

  • Review - Google Sky Map App Review
  • Review - Google Sky Maps for Android Review

OpenSPH videos

No OpenSPH videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Sky Map and OpenSPH)
Education & Reference
94 94%
6% 6
Universe Simulator
0 0%
100% 100
Maps & Navigation
100 100%
0% 0
Space Simulator
79 79%
21% 21

User comments

Share your experience with using Sky Map and OpenSPH. For example, how are they different and which one is better?
Log in or Post with

Social recommendations and mentions

Based on our record, Sky Map seems to be more popular. It has been mentiond 6 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Sky Map mentions (6)

  • Cosmodial Sky Atlas
    Ooh, this is great! Reminds me of one of my all-time favorite open-source Android apps: Sky Map! https://github.com/sky-map-team/stardroid. - Source: Hacker News / 23 days ago
  • My Toddler Loves Planes, So I Built Her a Radar
    > All the UIs we have for sky-watching now have moved away from that Check out [SkyMap](https://github.com/sky-map-team/stardroid)! - Source: Hacker News / over 2 years ago
  • two stars in the night
    Even better, it's open source now! Https://github.com/sky-map-team/stardroid. Source: over 3 years ago
  • Google Unveils Bard, Its Answer to ChatGPT
    Well, also there's security and maintenance issues from too many projects like that... Like just keeping shit the same with every new browser... I do think when they do close something, they should still let it calve off into open source land... Such as skymap which is cool: Https://github.com/sky-map-team/stardroid. Source: over 3 years ago
  • GitHub - sky-map-team/stardroid: Sky Map (formerly Google Sky Map, open sourced in 2012)
    FYI, That 2012 article links to the old code.google.com repo that redirects to the post's link https://github.com/sky-map-team/stardroid. Source: over 3 years ago
View more

OpenSPH mentions (0)

We have not tracked any mentions of OpenSPH yet. Tracking of OpenSPH recommendations started around Mar 2026.

What are some alternatives?

When comparing Sky Map and OpenSPH, you can also consider the following products

SkyView - SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more.

Universe Sandbox - Universe Sandbox ยฒ is a physics-based space simulator where you can simulate Events and even break physics and friction with certain features.

Star Walk - Star Walk โ€“ Sky View: Explore the Stars.

Galaxy Engine - Simulate the physics of the Universe on a large scale and create stunning visuals. Play with intergalactic interactions, smash planets together and even create the Big Bang itself!

Star Walk 2 Free - Star Walk 2 Free is a sumptuous planetary application that is turning out to be a great tool in identifying the objects in the night sky.

Space Crash Simulator - Games and Education & Reference