Comparison

Star Rover HD vs Interactive Solar System

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

Head to head
About

Star Rover HD

Explore the night sky with a realistic planetarium on your device. Identify stars, planets, and constellations in real-time by simply pointing your device. Travel through time and space to view celestial events and learn about the cosmos.

Highlights
  • Real-time star map updates
  • Identify celestial objects
  • View constellations with artwork
  • Explore planets and moons
  • Moon phases and meteor showers
  • Time and location travel
  • Over 120,000 stars
Features
Read full description

Do you love the starry night? Do you want to know everything in the sky? Star Rover HD is the fantastic planetarium for your iPad. Just hold up your iPad and Star Rover HD will tell you exactly what you are pointing at. Star Rover HD determines your location automatically. You'll see the stars, moon, planets, constellations in their proper place from your current location. As you move your iPad, the star map updates in real time. Star Rover HD makes the virtual sky a gorgeous view. You can see star twinkling, beautiful nebulae, occasional meteor and even sunset glow in the evening. Star Rover HD is very easy to use. You can simply change the sky view in settings and use Quick Find for everything you want to know in the night sky. Star Rover HD lets you set your location manually so you can see the sky from any part of the world. It also lets you travel to the future or the past and see the sky on different dates and times. If you are planning for a solar eclipse, this is the app you need. Features - Over 120,000 stars. - All 88 constellations with beautiful artworks. - Planets and their moons with stunning graphics. - Moon phases. - Real images of Messier objects. - Sky objects information. - Realistic Milky Way. - Equatorial and azimuthal grids. - Sky view underneath the horizon. - Visual magnitude adjustment. - Manually time & date setting. - Manually location setting. - Quick Find. - Point and view.

About

Interactive Solar System

Features
Read full description

Take a thrilling tour of the Solar System with the Interactive Solar System Explorer. Select the planet that you wish to explore and then hit the power button to zoom off to your destination. When you arrive a myriad of interesting facts await you. Tap a button access interesting data about each of the planets, the asteroids and the Earth's moon. Facts include distance from the sun, diameter, mass, and orbital and rotational periods -- all presented in an interactive format. Tap the info button to read interesting facts about each important object in the solar system. Teachers will really like this app. After students have read about the planets, they can tap the quiz button to measure their reading comprehension. In addition to the quiz there is also a word game that helps students review the information presented. Charts and graphs are used to present comparison information about the planets. Interactive Solar System Explorer is available for iOS and tvOS devices. It is just beautiful on a big screen TV and would be a wonderfully exciting tool in any science classroom.

Verdict

The call

The clearest difference is update cadence: Interactive Solar System at fortnightly against Star Rover HD's every 6 months. Star Rover HD's advantage is iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases 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 Rover HD costs $1.99 and Interactive Solar System $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Star Rover HD ships an update every 6 months, Interactive Solar System fortnightly. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

Scorecard2 real differences · 8 level
Star Rover HD versus Interactive Solar System: the parameters behind the verdict, then further details
ParameterStar Rover HDInteractive Solar System
Price$1.99$1.99
Rating4.7 (97 ratings) — better—
Positive reviews88.6% of reviews—
Number of ratings97 — better—
Update frequencyEvery 6 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPadiPad, Apple TV — better
Requires iOS9.0 — better12.0
Further details — not scored
Size52 MB52 MB
Age rating4+4+
Developer寒飞 易Ventura Educational Systems

Bugs and requests

Star Rover HD

Reported bugs

2 issues
  • Screen does not rotate to landscape view on iPad
  • Compass shows interference in some areas

Requested features

4 requests
  • Add Proxima Centauri
  • Provide constellation pictures and names simultaneously
  • Improve brightness representation for bright stars
  • Add Iridium Flare tracking

Interactive Solar System

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Star Rover HD

No in-app purchases

None

Interactive Solar System

No in-app purchases

Questions

Is Star Rover HD free?
Star Rover HD costs $1.99, with no in-app purchases.
Is Interactive Solar System free?
Interactive Solar System costs $1.99, with no in-app purchases.
Do Star Rover HD or Interactive Solar System have ads?
Neither Star Rover HD nor Interactive Solar System shows ads.
Which is updated more often, Star Rover HD or Interactive Solar System?
Star Rover HD ships an update every 6 months, and Interactive Solar System fortnightly. Most recently, Star Rover HD was updated on October 23, 2026 and Interactive Solar System on October 26, 2026.

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