Comparison

Interactive Solar System vs Pocket Planets

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

Head to head
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.

About

Pocket Planets

Explore our solar system with detailed information on planets, moons, and astronauts. Track who is currently in space and receive notifications for new launches. Access NASA images and compare celestial body characteristics.

Highlights
  • Detailed planet and moon data
  • Astronaut information and missions
  • Real-time space occupancy
  • Launch notifications
  • NASA image gallery
  • Celestial body comparisons
Features
Read full description

Pocket Planets gives you all the information you need about our solar system and human activity in space. Learn more about all 565 astronauts who been to space. What was their mission? How long had they been up there? See who is in space now! Get notified when somebody goes into space. Get up to date information about every planet and moon in the solar system. Including: - Physical characteristics: mass, radius, density, gravity, escape velocity - Orbital characteristics: real-time distance from the Sun and Earth, orbital period, orbital speed, eccentricity, apsis, periapsis, visualise orbit - Atmosphere: pressure, atmospheric composition - Images from Nasa - Moons: compare their size and distance

Screenshots

Pocket Planets4 screens

Verdict

The call

The clearest difference is price: Pocket Planets at Free against Interactive Solar System's $1.99. Interactive Solar System's advantage is ads (none vs shown). On update cadence, in-app purchases, 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

Pocket Planets is free to download; Interactive Solar System costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Interactive Solar System ships an update fortnightly, Pocket Planets every 3 weeks. The most recent releases landed on October 5, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
Interactive Solar System versus Pocket Planets: the parameters behind the verdict, then further details
ParameterInteractive Solar SystemPocket Planets
Price$1.99Free — better
Rating—4.6 (22 ratings) — better
Positive reviews—66.7% of reviews
Number of ratings—22 — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPad, Apple TViPhone, iPad, iPod — better
Requires iOS12.012.0
Further details — not scored
Size52 MB66 MB
Age rating4+4+
DeveloperVentura Educational SystemsAd Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag

In-app purchases

None

Interactive Solar System

No in-app purchases

None

Pocket Planets

No in-app purchases

Questions

Is Interactive Solar System free?
Interactive Solar System costs $1.99, with no in-app purchases.
Is Pocket Planets free?
Pocket Planets is free to download, with no in-app purchases.
Do Interactive Solar System or Pocket Planets have ads?
Pocket Planets shows ads; Interactive Solar System does not.
Which is updated more often, Interactive Solar System or Pocket Planets?
Interactive Solar System ships an update fortnightly, and Pocket Planets every 3 weeks. Most recently, Interactive Solar System was updated on October 5, 2026 and Pocket Planets on September 8, 2026.

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