
Space Engine
Stellarium
Universe Sandbox
Heavens Above
Satscape
See A Satellite Tonight
ISS Detector
Real-time 3D visualization of space

Healthcare AI
Healy
Put together your health app with our HIPAA compliant AI builder and prefab healthcare components. Our components help build, launch and iterate your health app 10x faster than traditional app development

Which is more popular?
Based on our record, Celestia seems to be more popular. It has been mentioned 31 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | celestiaproject.space | specode.ai |
| Pricing | ||
| Company | 2001 | 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


The expandable free and open-source real-time space simulator that lets you explore our universe in three dimensions.
After years of developing health apps for Fortune 500 hospitals and YC startups, we noticed a pattern: founders and organizations requested similar core features, essential for telehealth delivery but time-consuming to build from scratch. We decided it was time to stop reinventing the wheel....
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Celestia Review - with Tom Vasel
More videos
No Specode videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Celestia and Specode. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


The 1st image in that article looks like Celestia. It would be nice to have an add-on for Celestia once enough details are known about 2026 ED138. https://celestiaproject.space/. - Source: Hacker News / 2 days ago
Celestia did all of this and more. 10+ years ago. https://celestiaproject.space/. - Source: Hacker News / about 2 months ago
Incredible work! My son really had a blast scrolling around and exploring last night. Did you take any inspiration from Celestia (https://celestiaproject.space)? It's been over 15 years since I last really used it (and starts with... - Source: Hacker News / almost 2 years ago
Tracking Specode since Feb 2026.
When comparing Celestia and Specode, you can also consider the following products.

Space Engine is a realistic virtual Universe you can explore on your computer.
Compare Space Engine to Celestia or Specode:

Next-level insights in healthcare AI, where they needed most
Compare Healthcare AI to Celestia or Specode:

Stellarium is a free open source planetarium for your computer.
Compare Stellarium to Celestia or Specode:


Universe Sandbox ² is a physics-based space simulator where you can simulate Events and even break physics and friction with certain features.
Compare Universe Sandbox to Celestia or Specode:
Website for tracking Satellites, Space ships and other space objects.
Compare Heavens Above to Celestia or Specode: