Comparison

Star Map Night Sky vs Cosmivoy

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

Head to head
About

Star Map Night Sky

Features
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SpaceUtil is a star map with AR that helps you find constellations, explore a 3D solar system, follow the ISS tracker live and see where Voyager is right now. The whole night sky in one astronomy app, with no account, and almost everything computed on your device without an internet connection. β–  AR STAR MAP AND SKY VIEWER β€’ Point your phone at the sky to see the stars and constellations in that direction. β€’ 120,000 stars and all 88 constellations with lines, names and artwork. β€’ AR mode overlays the sky chart on your camera view. β€’ Red night mode for comfortable stargazing in the dark. β€’ Search for a star, planet or constellation and an arrow guides you to it. β€’ Rewind or fast-forward time to see the sky on any date. β–  3D SOLAR SYSTEM β€’ An orrery with the Sun, the eight planets and major moons in their real positions. β€’ Rotate and zoom with your fingers, and tap a planet for its story. β€’ Live distances to each planet, Jupiter's four big moons and Saturn's rings. β€’ Follow conjunctions and planet alignments. β–  LIVE ISS TRACKER β€’ See where the International Space Station is right now on a 3D globe and a world map, updated every second. β€’ Visible pass predictions for your location with time, direction and altitude. β€’ A sky-path view of each pass. β–  WHERE ARE VOYAGER 1 AND 2? β€’ Follow the two farthest human-made objects on a 3D map of the solar system. β€’ See their current distance from Earth, computed on your device from public space-agency reference data. β–  TONIGHT β€’ A briefing on tonight's observing conditions based on the moon phase and twilight times. β€’ 5 objects worth looking at right now. β€’ Sun, moon and planet rise and set times. β€’ Civil, nautical and astronomical twilight. β–  MOON, ECLIPSES, METEOR SHOWERS β€’ Moon phase calendar and lunar age. β€’ Upcoming solar and lunar eclipses. β€’ Every major meteor shower with its peak night and how bright the moon will be. β–  ASTROPHOTOGRAPHY HELPERS β€’ 500-rule exposure calculator. β€’ Milky Way planner. β€’ Golden hour, blue hour and moonrise direction. β–  LEARN AND PLAY β€’ Constellation myths and a space quiz. β€’ The sky on your birthday and light travel time. β€’ Light-year, AU and parsec converter. β€’ An exoplanet catalog. β€’ An observation log with badges. β–  GETTING STARTED β€’ Open the star map and hold your phone up toward the sky. β€’ Switch on AR mode to see constellation lines over the camera image. β€’ Turn on red mode once you are outside in the dark. β€’ Search for a planet or star and follow the arrow. β€’ Check Tonight before heading out. β–  WHO IS IT FOR? β€’ Stargazers identifying stars and constellations with AR. β€’ Space fans tracking the ISS, the Voyager probes and planetary alignments. β€’ Astrophotographers planning Milky Way shots. β€’ Anyone learning about exoplanets, myths and moon phases. β–  TIPS β€’ Use time controls to preview the sky on an eclipse date. β€’ Check how bright the moon will be before a meteor shower peak night. β€’ Log what you observe to collect badges. β–  FAQ β€’ Do I need an account? No. There is no account and no cloud. β€’ Does it work offline? Almost everything is computed on your device. β€’ Is the camera image saved? No, never. β€’ Are there ads? A single banner ad at the bottom of the screen supports development. No full-screen or video ads. β–  PRIVACY AND PERMISSIONS β€’ Location is used only on the device to align the sky map. β€’ The camera powers the AR view, and its image is never captured, stored or sent anywhere. Data sources: an open star catalog (CC BY-SA) and public satellite, space-weather and planetary data. SpaceUtil is not affiliated with or endorsed by the data providers. Clear skies from SpaceUtil.

About

Cosmivoy

Features
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Explore the sky above you. Fly to the worlds beyond it. Cosmivoy turns your iPhone or iPad into a spaceship window. Discover the Solar System in 3D, travel from Earth to distant galaxies, and choose your own view of the universe. β€’ See the sky from your location and look around by turning your device. β€’ Warp between planets, orbit a moon, or land and explore a rocky world's surface. β€’ Follow satellites and deep-space missions, including Webb and Voyager. β€’ Pause, rewind and fast-forward time to explore orbits, sunrises and eclipses. β€’ Zoom from a close-up to a 360Β° panorama. Switch between natural light and fill light to reveal surface details. β€’ Read an offline encyclopedia and explore a catalog of more than 100,000 stars, Solar System bodies, galaxies and spacecraft. Core exploration works offline, without an account. Satellite orbit updates use an internet connection. Interface and encyclopedia available in 14 language options. No ads, subscriptions or in-app purchases.

Screenshots

Star Map Night Sky4 screens
Cosmivoy4 screens

Verdict

The call

The clearest difference is ads: Cosmivoy at none against Star Map Night Sky's shown. Cosmivoy also leads on update cadence (every 5 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Star Map Night Sky ships an update fortnightly, Cosmivoy every 5 days. Both last shipped on November 6, 2026.

Scorecard2 real differences Β· 4 level
Star Map Night Sky versus Cosmivoy: the parameters behind the verdict, then further details
ParameterStar Map Night SkyCosmivoy
PriceFreeFree
Update frequencyFortnightlyEvery 5 days β€” better
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad β€” better
Requires iOS16.0 β€” better17.0
Further details β€” not scored
Size11 MB702 MB
Age rating4+4+
Developertanzsoft伟 ε­™

In-app purchases

None

Star Map Night Sky

No in-app purchases

None

Cosmivoy

No in-app purchases

Questions

Is Star Map Night Sky free?
Star Map Night Sky is free to download, with no in-app purchases.
Is Cosmivoy free?
Cosmivoy is free to download, with no in-app purchases.
Do Star Map Night Sky or Cosmivoy have ads?
Star Map Night Sky shows ads; Cosmivoy does not.
Which is updated more often, Star Map Night Sky or Cosmivoy?
Star Map Night Sky ships an update fortnightly, and Cosmivoy every 5 days. Most recently, Star Map Night Sky was updated on November 6, 2026 and Cosmivoy on November 6, 2026.

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