Comparison

Celestia vs CloudLabs Environmental Factor

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

Head to head
About

Celestia

Explore the universe in real-time 3D. Visit planets, moons, star clusters, and galaxies, viewing them from any point in space and time. Customize your experience with expandable content and detailed simulations.

Highlights
  • Real-time 3D space visualization
  • Explore planets, moons, stars, galaxies
  • Accurate solar system object positions
  • Interactive planetarium mode
  • Expandable content with add-ons
  • Customizable celestial databases
Features
Read full description

Celestia — real-time 3D visualization of space 3D Space Simulator | Celestia lets you explore our universe in three dimensions. Celestia simulates many different types of celestial objects. From planets and moons to star clusters and galaxies, you can visit every object in the expandable database and view it from any point in space and time. The position and movement of solar system objects is calculated accurately in real time at any rate desired. Interactive Planetarium | Celestia serves as a planetarium – for an observer on any celestial object. You can easily navigate to any world and land on its surface. When used as a planetarium, Celestia shows accurate positions of solar system objects in the sky. You can switch labels and other supporting features on and off with hotkeys, or zoom in and out on an object of interest, for example Jupiter’s system of moons. Expandable Content | Customize Celestia according to your needs. Celestia’s catalogues can be easily expanded. There are many different add-ons available containing new objects like comets or stars, high-resolution textures of Earth and other well mapped solar system bodies, as well as 3D models for asteroids and spacecraft on precise trajectories. Even fictional objects from well-known sci-fi franchises can be found. EULA(End User License Agreement): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CloudLabs Environmental Factor

Explore an aquatic ecosystem simulator where you can manipulate environmental factors like temperature, oxygen, and light. Observe the impact of these changes on species such as algae, crustaceans, and fish.

Highlights
  • Aquatic ecosystem simulation
  • Control temperature, oxygen, and light
  • Observe species reactions
  • Study environmental extremes
  • Educational tool
Features
Read full description

In this simulator there is an aquatic ecosystem with living species such as crustaceans, algae and fish. During this practice it is possible to control environmental factors such as temperature, oxygen and light in order to take these factors to their extremes and observe the effects on the living species present in the ecosystem.

Screenshots

Celestia4 screens
CloudLabs Environmental Factor1 screens

Verdict

The call

The clearest difference is rating: Celestia at 4.4 against CloudLabs Environmental Factor's 1.0. Celestia also leads on ratings volume (324 vs 1). CloudLabs Environmental Factor's advantage is in-app purchases (none vs 4) and iOS requirement (9.0 vs 15.0). On price, update cadence, ads 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. Celestia sells 4 in-app purchases, starting at $0.99 per 7 days. CloudLabs Environmental Factor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Celestia holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Celestia has 324 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Celestia ships an update every 2 weeks, CloudLabs Environmental Factor every 3 weeks. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

Scorecard5 real differences · 5 level
Celestia versus CloudLabs Environmental Factor: the parameters behind the verdict, then further details
ParameterCelestiaCloudLabs Environmental Factor
PriceFreeFree
Rating4.4 (324 ratings) — better1.0 (1 ratings)
Positive reviews78.3% of reviews—
Number of ratings324 — better1
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size545 MB74 MB
Age rating4+4+
Developer林峰 李Jiovany Orozco

Customer experience

Celestia

All ratings324 ratings
Positive83.0%
Neutral4.3%
Negative12.7%
Written reviews249 reviews
Positive78.3%
Neutral5.6%
Negative16.1%

CloudLabs Environmental Factor

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Celestia

Reported bugs

3 issues
  • Milky Way and other galaxy textures not loading properly
  • Crashes when using certain add-ons
  • Issues with planet and moon orbits not being accurate

Requested features

5 requests
  • Add more exoplanets and distant star systems
  • Implement terrain generation for planets
  • Expand to include more galaxies and the overall universe structure
  • Add support for black holes, pulsars, and other exotic objects
  • Improve controls and camera movement

CloudLabs Environmental Factor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Celestia

Subscriptions3
  • Celestia PLUS (Weekly)7 Days trial$0.997 Days
  • Celestia PLUS (Monthly)$1.991 Month
  • Celestia PLUS (Yearly)$19.991 Year
One-time1
  • Celestia PLUS (Lifetime)$79.99
None

CloudLabs Environmental Factor

No in-app purchases

Questions

Is Celestia free?
Celestia is free to download, with in-app purchases available.
Is CloudLabs Environmental Factor free?
CloudLabs Environmental Factor is free to download, with no in-app purchases.
Which has better reviews, Celestia or CloudLabs Environmental Factor?
Celestia is rated higher. Celestia averages 4.4 out of 5 from 324 ratings, while CloudLabs Environmental Factor averages 1.0 from 1 ratings.
Do Celestia or CloudLabs Environmental Factor have ads?
Neither Celestia nor CloudLabs Environmental Factor shows ads.
Which is updated more often, Celestia or CloudLabs Environmental Factor?
Celestia ships an update every 2 weeks, and CloudLabs Environmental Factor every 3 weeks. Most recently, Celestia was updated on September 21, 2026 and CloudLabs Environmental Factor on September 13, 2026.

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