Comparison

Stellarium Mobile vs DJI Simulator

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

Head to head
About

Stellarium Mobile

Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.

Highlights
  • Real-time sky simulation
  • Identify stars, planets, satellites
  • Constellation shapes and illustrations
  • Deep sky object catalog
  • Night mode for eye comfort
  • Telescope control (Plus)
Features
Currently charting
Read full description

Stellarium Mobile is a planetarium app that shows exactly what you see when you look up at the stars. Identify stars, constellations, planets, comets, satellites (such as the ISS), and other deep sky objects in real time in the sky above you in just a few seconds, just by pointing the phone at the sky! This astronomy application has an easy to use and minimalist user interface, that makes it one of the best astronomical applications for adults and children who want to explore the night sky. Stellarium Mobile features: • View an accurate night sky simulation of stars and planets for any date, time and location. • Dive in a collection of many stars, nebulas, galaxies, star clusters and other deep sky objects. • Zoom on realistic Milky Way and Deep Sky Objects images. • Discover how people living in other regions of the planet see the stars by selecting the shapes and illustrations of the constellations for many sky cultures. • Track artificial satellites, including the International Space Station. • Simulate landscape and atmosphere with realistic sunrise, sunset and atmosphere refraction. • Discover 3D rendering of the major solar system planets and their satellites. • Observe the sky in night mode (red) to preserve your eyes adaptation to darkness. Stellarium Mobile contains in-app purchases allowing to upgrade to Stellarium Plus. With this upgrade, the app will display objects as faint as magnitude 22 (versus magnitude 8 in the base version) and enable advanced observing features. Stellarium Plus features (unlocked with in-app purchase): • Reach the limit of knowledge by diving in a massive collection of stars, nebulas, galaxies, star clusters and other deep sky objects:   - All known stars: Gaia DR2 catalog of over 1.69 billion stars   - All known planets, natural satellites and comets, and many other minor solar system objects (10k asteroids)   - Most known deep sky objects: a combined catalog of over 2 million nebulas and galaxies • Zoom almost without limits on high resolution images of deep sky objects or planetary surfaces. • Observe in the field, even without internet connection, with a "reduced" set of data: 2 million stars, 2 million Deep Sky Objects, 10k asteroids. • Control your telescope through WIFI: drive any GOTO telescope compatible with NexStar, SynScan or LX200 protocols. • Prepare your observing sessions using the advanced observation tools, to predict a celestial object observability and transit times. Stellarium Mobile is made by the original creator of Stellarium, the well known open source planetarium and one of the best astronomy applications on Desktop PC. Your can unlock the full features using either a one time payment or a subscription. See In-App Purchase section for the subscription price available in your country. Payment will be charged to your iTunes account. Your subscription will automatically renew unless cancelled 24 hours prior to the end of the current period. Auto renewal may be turned off at any time by going to your account settings after purchases. Terms of service: https://stellarium-labs.com/stellarium-mobile-plus/stellarium-mobile-terms-of-use Privacy policy: https://www.stellarium-labs.com/privacy-policy-for-stellarium-mobile

About

DJI Simulator

Master drone flying skills in a realistic virtual environment. Practice various flight maneuvers and challenges across diverse simulated locations without the risk of real-world accidents. Progress through structured training courses to build confidence for aerial photography.

Highlights
  • Realistic virtual flight environment
  • Safe training ground without risk
  • Multiple scenario simulations
  • Progressive training courses
  • Authentic control experience with DJI controllers
Features
Read full description

DJI Flight Simulator is a safe and efficient drone flight training app that allows you to master flying skills in a realistic virtual environment, helping you start your aerial photography journey with confidence. (Currently supports series including DJI Mini 5 Pro, DJI Air 3s, DJI Lito, DJI Lito X1 and is compatible with remote controller RC-N2/3, Virtual joystick is not yet supported.) What does it offer? Safe Training Ground: Fly freely in virtual scenarios—practice without the risk of flyaways or collisions. Multiple Scenario Simulations: Diverse environments including cities, mountains, islands, and famous landmarks to tackle various flight challenges. Progressive Training Courses: Step-by-step skill development from basic controls to advanced camera movements. Authentic Control Experience: Compatible with DJI remote controllers for true-to-life handling and response.

Screenshots

Stellarium Mobile4 screens
DJI Simulator4 screens

Verdict

The call

The clearest difference is review sentiment: Stellarium Mobile at 84% against DJI Simulator's 24%. Stellarium Mobile also leads on rating (4.8 vs 2.4) and ratings volume (37K vs 43). DJI Simulator's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17). 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. Stellarium Mobile sells 2 in-app purchases, starting at $1.99 per month. DJI Simulator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stellarium Mobile holds the better App Store score, 4.8 against 2.4. That said, the two scores are not equally well evidenced: Stellarium Mobile has 37K ratings behind it against 43, so its average is the more settled of the two. Written reviews point the same way: 84% of Stellarium Mobile's written reviews are positive against 24% of DJI Simulator's.

UpkeepUpdate frequency

Stellarium Mobile ships an update every 5 weeks, DJI Simulator every 2 months. Both last shipped on September 24, 2026.

Scorecard7 real differences · 4 level
Stellarium Mobile versus DJI Simulator: the parameters behind the verdict, then further details
ParameterStellarium MobileDJI Simulator
PriceFreeFree
Rating4.8 (37K ratings) — better2.4 (43 ratings)
Positive reviews83.9% of reviews — better24.2% of reviews
Number of ratings37K — better43
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#158 — better—
DevicesiPhone, iPadiPhone, iPod
Requires iOS1713.0 — better
Further details — not scored
Size456 MB326 MB
Age rating4++4
DeveloperNoctua Software LtdDJI

Customer experience

Stellarium Mobile

All ratings37,269 ratings
Positive96.9%
Neutral1.7%
Negative1.5%
Written reviews584 reviews
Positive83.9%
Neutral6.0%
Negative10.1%

DJI Simulator

All ratings43 ratings
Positive34.9%
Neutral0.0%
Negative65.1%
Written reviews128 reviews
Positive24.2%
Neutral9.4%
Negative66.4%

Bugs and requests

Stellarium Mobile

Reported bugs

3 issues
  • Compass not working properly
  • Favorites list disappearing
  • Inconsistent performance on different devices

Requested features

5 requests
  • Notifications for astronomical events
  • More customization options
  • Integration with camera for AR overlay
  • Better support for telescopes and mounts
  • Improved search and navigation

DJI Simulator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Stellarium Mobile

Subscriptions1
  • Stellarium PLUS7 Days trial$1.991 Month
One-time1
  • Stellarium PLUS$18.99
None

DJI Simulator

No in-app purchases

Questions

Is Stellarium Mobile free?
Stellarium Mobile is free to download, with in-app purchases available.
Is DJI Simulator free?
DJI Simulator is free to download, with no in-app purchases.
Which has better reviews, Stellarium Mobile or DJI Simulator?
Stellarium Mobile is rated higher. Stellarium Mobile averages 4.8 out of 5 from 37K ratings, while DJI Simulator averages 2.4 from 43 ratings.
Do Stellarium Mobile or DJI Simulator have ads?
Neither Stellarium Mobile nor DJI Simulator shows ads.
Which is updated more often, Stellarium Mobile or DJI Simulator?
Stellarium Mobile ships an update every 5 weeks, and DJI Simulator every 2 months. Most recently, Stellarium Mobile was updated on September 24, 2026 and DJI Simulator on September 24, 2026.

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