Comparison

Exoplanet vs JMARS AR Viewer

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

JMARS AR Viewer

Explore planetary surfaces in augmented reality using immersive 3D terrain models. Access datasets for celestial bodies like the Moon, Mars, and Earth. Prepare custom scenes in the desktop version for an enhanced AR experience.

Highlights
  • Augmented Reality exploration
  • 3D terrain visualization
  • Access to planetary datasets
  • Custom scene preparation
  • Moon, Mars, Earth data
Features
Read full description

Explore planetary terrains in immersive Augmented Reality. Prepare custom 3D terrain scenes in the free desktop-based JMARS app. If you can see it in JMARS you can see it in AR! JMARS provides easy access to datasets for many planetary bodies including but not limited to the Moon, Mercury, Earth, Mars.

Screenshots

Exoplanet4 screens
JMARS AR Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: JMARS AR Viewer at none against Exoplanet's 7. JMARS AR Viewer also leads on rating (5.0 vs 4.7). Exoplanet's advantage is ratings volume (956 vs 2) and update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement 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. JMARS AR Viewer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

JMARS AR Viewer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Exoplanet has 956 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Exoplanet ships an update every 2 weeks, JMARS AR Viewer monthly. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

Scorecard5 real differences · 5 level
Exoplanet versus JMARS AR Viewer: the parameters behind the verdict, then further details
ParameterExoplanetJMARS AR Viewer
PriceFreeFree
Rating4.7 (956 ratings)5.0 (2 ratings) — better
Positive reviews90.9% of reviews—
Number of ratings956 — better2
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size105 MB272 MB
Age rating4+4+
DeveloperHanno ReinRobert Likamwa

Customer experience

Exoplanet

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

JMARS AR Viewer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

JMARS AR Viewer

Not enough reviews yet to summarise bugs or requests.

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
None

JMARS AR Viewer

No in-app purchases

Questions

Is Exoplanet free?
Exoplanet is free to download, with in-app purchases available.
Is JMARS AR Viewer free?
JMARS AR Viewer is free to download, with no in-app purchases.
Which has better reviews, Exoplanet or JMARS AR Viewer?
JMARS AR Viewer is rated higher. Exoplanet averages 4.7 out of 5 from 956 ratings, while JMARS AR Viewer averages 5.0 from 2 ratings.
Do Exoplanet or JMARS AR Viewer have ads?
Neither Exoplanet nor JMARS AR Viewer shows ads.
Which is updated more often, Exoplanet or JMARS AR Viewer?
Exoplanet ships an update every 2 weeks, and JMARS AR Viewer monthly. Most recently, Exoplanet was updated on October 17, 2026 and JMARS AR Viewer on October 16, 2026.

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