Comparison

Constellation Map mobile vs Planetarium

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

Head to head
About

Constellation Map mobile

Explore the night sky by pointing your device upwards. Identify stars, constellations, and planets with detailed information. View celestial bodies below the horizon and track planetary orbits.

Highlights
  • Identify stars, constellations, and planets
  • View celestial bodies below the horizon
  • Track planetary orbits
  • Display over 100 bright stars and objects
  • Zoom and pan with touch gestures
  • Toggle display of constellation lines and names
Features
Read full description

Simply point your device towards the sky and this application will display the names of the stars, constellations and planets. You can check the orbital position of the planet in the solar system on a separate screen. You can also display stars below the horizon. You can display the names of about 100 bright stars, constellations, ecliptic, celestial equator, Deep Sky Objects, ISS, Celestial pole, and so on. You can enlarge or reduce the display by spreading or narrowing (pinch operation) with two fingers. Toggle display / non-display of constellation line, name etc. with double touch.

About

Planetarium

Explore the cosmos with a realistic virtual sky map. Identify stars, planets, and constellations using AR, and simulate celestial events. Access a vast knowledge base for an immersive astronomical learning experience.

Highlights
  • Realistic star and sky simulation
  • AR real-time celestial identification
  • Constellation and star information
  • Celestial phenomenon simulation
  • Extensive astronomical knowledge base
  • Diverse observation modes
  • Night mode for reduced light pollution
Features
Read full description

Virtual Planetarium is a starry sky exploration and learning app for the general public and astronomy enthusiasts. Based on real celestial data and astronomical algorithms, it brings the vast starry sky to the palm of your hand. With Planetarium Mobile, you can view the sky anytime, anywhere, explore constellations and planets, simulate various rare astronomical phenomena, and learn a wealth of astronomical knowledge. Whether you're a student looking to enhance your astronomy interests, an amateur astronomer seeking observation assistance, or simply a casual user appreciating the night sky, Planetarium Mobile offers an immersive observing experience. Feature Highlights 1. Realistic Starry Sky Simulation Built-in celestial data recreates the sky as it would have appeared at that moment based on date, time, and geographic location. Users can freely select a location and time to simulate the starry sky from any region around the world. Speed ​​forward and backward time allows for easy observation of celestial motion and astronomical phenomena. Supporting AR real-time viewing, it combines real-world views with the phone's starry sky, making celestial object identification even easier. 2. Star and Constellation Identification Covering 88 common constellations and thousands of stars, with complete and detailed information. Provides a connection diagram for over 318 Chinese astronomical officials, admiring the wisdom of the ancients. Provides information such as celestial body names, brightness, and coordinates, facilitating both observation and learning. Provides real-time positions of tens of thousands of artificial satellites, allowing you to understand their dynamic movements. One-click identification of planets, stars, artificial satellites, and deep-sky objects in the current sky makes stargazing simple and fun. 3. Celestial Phenomenon Simulation and Demonstration Supports dynamic simulation of important astronomical phenomena such as solar and lunar eclipses, planetary conjunctions, and meteor showers. Users can preview upcoming astronomical phenomena and review spectacular historical events. Slow motion playback and pause functions help users better understand the principles of astronomical phenomena. 4. Extensive Astronomical Knowledge Base Includes detailed constellation descriptions, including mythological origins, historical sources, and scientific information. Provides physical parameters, orbital information, and observation conditions for planets and satellites. More than just an observation tool, it's a portable astronomical encyclopedia. 5. Diverse Observation Modes Switch between equatorial and horizontal coordinates to meet the needs of users at all levels. A night mode reduces light pollution interference, making it ideal for nighttime observations. Built-in zoom and angle adjustment functions facilitate detailed observation. 6. Interactive and Immersive Experience The interface is simple and intuitive, with smooth operation. Users can freely explore the universe by dragging, zooming, and zooming. Supports real-time positioning, allowing you to see corresponding stars in the sky just by looking up. The immersive visual design makes you feel like you're in a real planetarium. 7. Personalized Settings Customize your observing location, time, and viewing angle to create your own virtual starry sky. Save and share your observations to appreciate the beauty of the universe with friends. Combining learning and entertainment, it meets diverse needs from beginners to advanced users. 8. Learning and Science Aids Suitable for students learning astronomy and supporting classroom demonstrations. Intuitive images and animations help you understand complex astronomical phenomena. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.tianwenguan.com.cn/privacy_en.html

Screenshots

Constellation Map mobile4 screens
Planetarium4 screens

Verdict

The call

The clearest difference is ads: Planetarium at none against Constellation Map mobile's shown. Planetarium also leads on review sentiment (100% vs 86%) and update cadence (every 11 days vs every 3 weeks). Constellation Map mobile's advantage is iOS requirement (13.0 vs 15.6). On price, in-app purchases, monetization model 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. Constellation Map mobile sells 1 in-app purchase, starting at $1.99 per month and Planetarium sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Constellation Map mobile ships an update every 3 weeks, Planetarium every 11 days. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
Constellation Map mobile versus Planetarium: the parameters behind the verdict, then further details
ParameterConstellation Map mobilePlanetarium
PriceFreeFree
Rating4.7 (4.6K ratings) — better—
Positive reviews86.4% of reviews100.0% of reviews — better
Number of ratings4.6K — better—
Update frequencyEvery 3 weeksEvery 11 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size39 MB183 MB
Age rating4+4+
Developersiranet GK雪飞 鲍

Customer experience

Constellation Map mobile

All ratings4,603 ratings
Positive94.1%
Neutral3.5%
Negative2.4%
Written reviews455 reviews
Positive86.4%
Neutral3.3%
Negative10.3%

Planetarium

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Constellation Map mobile

Reported bugs

3 issues
  • App crashes on opening
  • Incorrect positioning of sun, moon, and planets
  • Constellation names disappearing or not displaying properly

Requested features

4 requests
  • Add option to view constellations from inside the celestial sphere
  • Improve search functionality to easily find planets, stars, and galaxies
  • Provide more detailed information and descriptions for celestial objects
  • Add ability to calibrate the app to match the actual sky view

Planetarium

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Constellation Map mobile

Subscriptions1
  • Remove ads 1 month$1.991 Month
2 purchases

Planetarium

Subscriptions2
  • Monthly Member$3.991 Month
  • Yearly Member$14.991 Year

Questions

Is Constellation Map mobile free?
Constellation Map mobile is free to download, with in-app purchases available.
Is Planetarium free?
Planetarium is free to download, with in-app purchases available.
Do Constellation Map mobile or Planetarium have ads?
Constellation Map mobile shows ads; Planetarium does not.
Which is updated more often, Constellation Map mobile or Planetarium?
Constellation Map mobile ships an update every 3 weeks, and Planetarium every 11 days. Most recently, Constellation Map mobile was updated on October 26, 2026 and Planetarium on October 15, 2026.

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