Comparison

Exoplanet vs Constellation Map mobile

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

Head to head
About

Exoplanet

Explore a vast, interactive database of discovered exoplanets and their host stars. Visualize their physical properties, locations in the night sky, and orbital paths. Discover the observable universe from Earth to the cosmic microwave background with stunning 3D models and augmented reality features.

Highlights
  • Interactive visualizations and animations
  • Daily updated exoplanet and host star properties
  • 3D Milky Way model with exoplanet locations
  • Augmented reality sky map
  • Exoplanet orbit and habitable zone visualizations
  • Data from multiple exoplanet catalogs
Features
Read full description

Exoplanets are planets orbiting stars beyond our own solar system. This app allows you to explore all discovered exoplanets, their measured physical properties, their location in the night sky, and their host stars. An interactive model shows you the entire observable universe, all the way from the surface of the Earth to the cosmic microwave background. This app has been developed by a professional astronomer. Main features: * Interactive visualizations and animations. * Physical properties of all detected exoplanets and their host stars, updated on a daily basis. * Stunning 3D model of our Milky Way showing the location of all known exoplanets. You can zoom into any planetary system, explore how the night sky and the constellations look from the surface of other planets, or zoom out and see other local galaxies and galaxy clusters as well as the cosmic microwave background. * Visualizations of exoplanet orbits and the habitable zone. * Choose between the Open Exoplanet Catalogue, the NASA Exoplanet Archive, and the Extrasolar Planet Encyclopedia (exoplanet.eu). * Push notifications are sent out whenever a new planet is discovered. * Augmented reality sky map: point the phone towards the sky to find an exoplanet! * Interactive multi-touch correlation plots. * Solar System planets, major moons, and asteroids are included. * Explore S-Stars orbiting the black hole at the Galactic Center of our Milky Way * Background information about exoplanets and detection methods. * Full support of planets in binary, triple, quadruple systems and orphan planets. * Real-time ray tracing on the GPU.

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.

Screenshots

Exoplanet4 screens
Constellation Map mobile4 screens

Verdict

The call

The clearest difference is ads: Exoplanet at none against Constellation Map mobile's shown. Constellation Map mobile's advantage is ratings volume (4.6K vs 956). On price, rating, review sentiment and update cadence 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. Exoplanet sells 7 one-off in-app purchases and Constellation Map mobile sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Exoplanet against 4.7 for Constellation Map mobile. Both are backed by a comparable volume of ratings — 956 and 4.6K respectively. Written reviews are what separate them: 91% of Exoplanet's written reviews are positive against 86% of Constellation Map mobile's.

UpkeepUpdate frequency

Exoplanet ships an update every 2 weeks, Constellation Map mobile every 3 weeks. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
Exoplanet versus Constellation Map mobile: the parameters behind the verdict, then further details
ParameterExoplanetConstellation Map mobile
PriceFreeFree
Rating4.7 (956 ratings)4.7 (4.6K ratings)
Positive reviews90.9% of reviews — better86.4% of reviews
Number of ratings9564.6K — better
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size105 MB39 MB
Age rating4+4+
DeveloperHanno Reinsiranet GK

Customer experience

Exoplanet

All ratings956 ratings
Positive93.0%
Neutral2.0%
Negative5.0%
Written reviews484 reviews
Positive90.9%
Neutral3.3%
Negative5.8%

Constellation Map mobile

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

User reviews

Exoplanet

From 956 App Store ratings

What we love

  • 🚀 Great app
  • 👍 Insanely entertaining
  • 👍 Amazing graphics and interactive diorama
  • 👍 Detailed explanation of planets
  • 👍 Awesome app for astronomy and physics lovers

Room to improve

  • 🐛 Some exoplanets not showing up in search
  • 🐛 Inconsistent behavior when switching between databases
  • 🔒 Paid upgrades required to access more features
  • 🐛 Upgrade purchase issues with Galaxy Clusters and CMB add-on
  • 🐛 Exoplanets represented as generic white balls

Constellation Map mobile

From 4.6K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Accurate star/planet mapping
  • 💡 Helpful for beginners and experts
  • 🌟 Great for stargazing and astrophotography
  • 🌙 Useful moon phase and solar orbit information

Room to improve

  • 🐛 Alignment/calibration issues
  • 🔀 Reversed/incorrect orientation
  • 🔍 Difficulty locating specific celestial objects
  • 💻 Compatibility problems on some devices

Bugs and requests

Exoplanet

Reported bugs

2 issues
  • Upgrade purchase issues with Galaxy Clusters and CMB add-on
  • Kepler objects of interest disappearing when switching databases

Requested features

9 requests
  • Add more detailed textures and visuals for exoplanets
  • Ability to view multiple databases simultaneously
  • Option to see planet surfaces and atmospheres
  • Inclusion of dwarf planets in our solar system
  • Ability to zoom in on and explore other galaxies
Show 4 more
  • Addition of black holes, pulsars, and other celestial objects
  • Inclusion of satellite and spacecraft orbits
  • Narration or audio commentary for key discoveries
  • Ability to view the universe from the surface of planets

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

In-app purchases

7 purchases

Exoplanet

One-time7
  • Galaxy Clusters and CMB$0.99
  • Asteroids$0.99
  • Gaia Stars$0.99
Show 4 more
  • S-Stars$0.99
  • Catalogues$0.99
  • Developer Appreciation Coffee$1.99
  • Kepler Add-on$2.99
1 purchases

Constellation Map mobile

Subscriptions1
  • Remove ads 1 month$1.991 Month

Questions

Is Exoplanet free?
Exoplanet is free to download, with in-app purchases available.
Is Constellation Map mobile free?
Constellation Map mobile is free to download, with in-app purchases available.
Which has better reviews, Exoplanet or Constellation Map mobile?
Exoplanet and Constellation Map mobile are both rated 4.7 out of 5 on the App Store, from 956 and 4.6K ratings respectively.
Do Exoplanet or Constellation Map mobile have ads?
Constellation Map mobile shows ads; Exoplanet does not.
Which is updated more often, Exoplanet or Constellation Map mobile?
Exoplanet ships an update every 2 weeks, and Constellation Map mobile every 3 weeks. Most recently, Exoplanet was updated on October 11, 2026 and Constellation Map mobile on October 14, 2026.

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