Comparison

Star Walk 2 Pro vs DeepSpace

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

Head to head
About

Star Walk 2 Pro

Explore the night sky with this augmented reality stargazing app. Point your device to identify thousands of stars, planets, constellations, and celestial events in real-time. Discover astronomical news and plan your observations with a comprehensive sky map.

Highlights
  • Real-time sky map
  • Augmented reality mode
  • 3D constellation models
  • Time machine feature
  • Deep sky object identification
  • Night mode for comfortable viewing
  • Visible Tonight section for events
Features
Currently charting
Read full description

Star Walk 2 is an exquisite stargazing app enabling you to explore the night sky through the screen of your device. Make an effortless journey through thousands of stars, comets, constellations, and other celestial bodies. All you have to do is point your device to the sky! ⁕ BEST OF 2014: The next generation of the best-selling Star Walk, winner of Apple Design Award, used by over 10 million people ⁕ The app taps your device’s sensors and the GPS to determine the exact position of stars, planets, constellations, comets, ISS, satellites, meteor showers, etc., in the night sky. “She’s a beauty.”- The Next Web “Star Walk 2 is a terrific introduction to astronomy for young and old. It’s also handy for serious stargazers for observing planning.” - TUAW “Star Walk 2 is visually stunning.” - PCmag “This is a very beautiful and unusual application that turns your phone into a real planetarium.” - Free apps for me “For those who enjoy the original app, Star Walk 2 is worth the upgrade — the interface is gorgeous. Anyone with even a passing interest in astronomy should grab Star Walk 2.” - iLounge “It is worth every penny.” - PadGadget Star Walk 2 in travel & tourism industry: ‘Rapa Nui Stargazing’ based on Easter Island uses Star Walk 2 for sky observations during its astronomical tours. ‘Nakai Resorts Group’ in the Maldives uses Star Walk 2 during astronomy meetings for its guests. Main features: ◆ Map of the sky in real time ◆ Stunning 3D models of constellations and other sky objects ◆ “Time machine” ◆ Deep sky objects ◆ Info about celestial bodies and sky events ◆ The sky at different wavelengths ◆ Augmented reality mode ◆ Night mode ◆ "What's new" section with the latest astronomical news ◆ "Visible Tonight" section ► Star Walk 2 shows the real-time map of the sky on your screen in whatever direction you are pointing the device. As you hold your phone up and point it towards the sky, the star map follows your motions using the built-in gyroscope to match the map on your screen to the stars seen from your location. ► What's up in the sky tonight? Open the "Visible Tonight" section of Star Walk 2 and quickly find out all upcoming astronomical events and celestial objects visible for your location. ► Be aware of the latest news from the world of space and astronomy. The app's "What's new" section will tell you about the most outstanding celestial events in time. ► Touching a clock-face icon at the upper-right corner of the screen allows you to select any date and time and watch the sky of different periods. ► Get a deeper understanding of the constellation`s scale and place in the night sky. Enjoy observing wonderful 3D models of constellations, turn them upside down, read their stories. ► Find and study deep sky objects such as meteor showers, planetary nebulae, star clusters, etc. ► The night-mode will make your stargazing at night time more comfortable. Star Walk 2 is the sequel to the original Star Walk, which is one of the most popular apps for stargazing. New in Star Walk 2: -Incredible 3D models of celestial bodies -All-new stunning design -New interface in vibrant colours for retina displays -Atmospheric visual and sound effects, stirring soundtrack -Exclusive handcrafted artwork for constellations The app contains In-App Purchases. If you enjoy exploring the stars, then our app is a must-have for your arsenal. Start your best stargazing experience right now!

About

DeepSpace

Explore the night sky with a real-time star map. Identify stars, planets, constellations, and deep-sky objects by simply pointing your device. Features include a sky search, time machine, and observation journal.

Highlights
  • Gyroscope sky map
  • 16 constellations with mythology
  • 110 Messier objects
  • Tap to lock on celestial objects
  • Sky search and jump
  • Tonight's Sky view
  • Time Machine for planning
  • Observation journal
Features
Read full description

DeepSpace — Star & Planet Viewer Point your phone at the sky and see the stars move in real time. DeepSpace turns your device into a personal star atlas — no account, no subscription, no internet required. What's in the sky tonight? Hold up your phone and explore 95 named stars rendered in color by spectral type, all 8 planets, the Sun, and the Moon — their positions calculated from simplified orbital models and updated live. Accurate enough for casual stargazing and learning the sky; not a precision instrument. Features • Gyroscope sky map — point anywhere and the stars follow, at up to 120fps on supported devices • 16 constellations — tap any to see its mythology and star pattern • 110 Messier objects — galaxies, nebulae, and clusters plotted and tappable • Tap to lock on — tap any star or planet for its magnitude, coordinates, spectral type, and more • Sky search — find any object by name and jump to it instantly • Tonight's Sky — one tap shows what's visible right now: planets above the horizon, best deep-sky objects, and current moon phase • Time Machine — scrub forward or backward in time to plan or revisit a night • Observation journal — log your sightings with date, location, and notes • Celestial event alerts — get notified about oppositions, conjunctions, and lunar events for objects on your watch list • Milky Way overlay — the galactic band drawn across the sky • Red Night Mode — full red filter to protect your dark-adapted vision at the eyepiece • Share the sky — share a snapshot card of tonight's sky with friends • Portrait and landscape — works in any orientation on iPhone and iPad Honest about accuracy Star and planet positions use simplified orbital models this is great for finding constellations, identifying planets, and learning the night sky. For precise observation planning, pair it with a professional ephemeris.

Screenshots

Star Walk 2 Pro4 screens
DeepSpace4 screens

Verdict

The call

The clearest difference is in-app purchases: DeepSpace at none against Star Walk 2 Pro's 8. DeepSpace also leads on update cadence (every 5 days vs every 2 months) and rating (5.0 vs 4.7). Star Walk 2 Pro's advantage is ratings volume (67K vs 1) and chart position (#86 vs unranked). On 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

Star Walk 2 Pro costs $2.99 and DeepSpace $0.99 up front. Star Walk 2 Pro sells 8 one-off in-app purchases. DeepSpace asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

DeepSpace holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Star Walk 2 Pro has 67K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Star Walk 2 Pro ships an update every 2 months, DeepSpace every 5 days. The most recent releases landed on October 29, 2026 and October 11, 2026 respectively.

Scorecard8 real differences · 3 level
Star Walk 2 Pro versus DeepSpace: the parameters behind the verdict, then further details
ParameterStar Walk 2 ProDeepSpace
Price$2.99$0.99 — better
Rating4.7 (67K ratings)5.0 (1 ratings) — better
Positive reviews72.1% of reviews—
Number of ratings67K — better1
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#86 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better26.0
Further details — not scored
Size357 MB4 MB
Age rating4+4+
DeveloperVito Technology Inc.Alexandr Garlock Development House LLC

Customer experience

Star Walk 2 Pro

All ratings67,054 ratings
Positive93.7%
Neutral2.7%
Negative3.6%
Written reviews574 reviews
Positive72.1%
Neutral6.4%
Negative21.4%

DeepSpace

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Star Walk 2 Pro

Reported bugs

3 issues
  • App crashing on launch for some users
  • Incorrect celestial object positioning in certain locations
  • Notifications not working as expected

Requested features

5 requests
  • Customizable notification settings
  • More detailed information on moons and satellites
  • Option to disable animated constellation overlays
  • Improved time/date controls for planning future sky viewing
  • Support for equatorial mounts and telescopes

DeepSpace

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Star Walk 2 Pro

One-time8
  • Constellations of AvengersFree
  • Satellite Finder in Sky Above$0.99
  • Constellations 3D on Sky Map$0.99
Show 5 more
  • Deep Space Objects Explorer$0.99
  • Explore Solar System Objects$0.99
  • Planets of the Solar System$0.99
  • Space Explorer: Kids Cartoons$0.99
  • Star Tracker AR: Full Version$2.99
None

DeepSpace

No in-app purchases

Questions

Is Star Walk 2 Pro free?
Star Walk 2 Pro costs $2.99, and also offers in-app purchases.
Is DeepSpace free?
DeepSpace costs $0.99, with no in-app purchases.
Which has better reviews, Star Walk 2 Pro or DeepSpace?
DeepSpace is rated higher. Star Walk 2 Pro averages 4.7 out of 5 from 67K ratings, while DeepSpace averages 5.0 from 1 ratings.
Do Star Walk 2 Pro or DeepSpace have ads?
Neither Star Walk 2 Pro nor DeepSpace shows ads.
Which is updated more often, Star Walk 2 Pro or DeepSpace?
Star Walk 2 Pro ships an update every 2 months, and DeepSpace every 5 days. Most recently, Star Walk 2 Pro was updated on October 29, 2026 and DeepSpace on October 11, 2026.

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