Comparison

Solar System (Lite) 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

Solar System (Lite)

Explore the Solar System with interactive simulations and size comparisons. This educational app makes learning about planets, galaxies, and space exploration engaging for children. It offers a kid-friendly interface with no ads or in-app purchases.

Highlights
  • Interactive simulations
  • Size comparisons of celestial bodies
  • Planetary orbital speed visualization
  • Covers Milky Way, Sun, planets, dwarf planets
  • Kid-friendly navigation
  • No ads or in-app purchases
Features
Read full description

The perfect way for kids to experience the Solar System in a hands-on way! This interactive science book contains a select 18 pages from the full version of the app. ----- INTERACTIVE CONTENT ----- Even as an adult, it can be difficult to visualize just how massive the Sun is or how fast the different planets orbit the Sun. This app uses interactive simulations to allow children to explore these hard to visualize topics in a hands-on way. •••• Size Comparison •••• This page allows children to compare the sizes of many Solar System objects. Comparable objects include the Sun, the planets, major moons, and all the dwarf planets. •••• Planetary Revolutions •••• The planets are shown orbiting the Sun at their comparative speeds. Selecting Neptune reveals it takes 164.8 Earth years to orbit the Sun once while the inner planets seem to orbit the Sun at a dizzying speed. Select Mercury, with a year of 88 Earth days, and the outer planets barely seem to move at all. ----- TOPICS COVERED ----- • The Milky Way galaxy • The Sun • A list of the planets • A list of the dwarf planets • Planetary size comparisons • Planet orbital speeds • The history of space exploration ----- KID FRIENDLY ----- • Easy to use page navigation and search • NO ads • NO in-app purchases ----- FULL VERSION ----- For a more in depth look at the Solar System, consider buying the full version. The full version contains 58 pages of content! •••• Parents •••• The full version of the app is sure to captivate any child with its myriad of interesting facts, striking visuals, and engaging 3D simulations. Not only is the content fascinating to explore, it's educational too! Designed with grade school curriculum in mind, the app covers the major topics of the Solar System while explaining concepts in an easy to understand manner. •••• Teachers •••• Many schools with iPads in the classroom have already used the full version of the app with great success. The interactive content is well suited for teaching complex topics such as planetary seasons and the vast distances of the Solar System. Children can explore this information independently or with the aid of a teacher. ----- MORE INFORMATION ----- Visit http://vosonos.net/product/solar-system-lite

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 ads: Solar System (Lite) at none against Pocket Planets's shown. Solar System (Lite) also leads on review sentiment (83% vs 67%) and monetization model (free vs ad-supported). Pocket Planets's advantage is update cadence (every 3 weeks vs every 3 months) and device support (3 vs 1). On price, rating, ratings volume and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Solar System (Lite) against 4.6 for Pocket Planets. Both are backed by a comparable volume of ratings — 23 and 22 respectively. Written reviews are what separate them: 83% of Solar System (Lite)'s written reviews are positive against 67% of Pocket Planets's.

UpkeepUpdate frequency

Solar System (Lite) ships an update every 3 months, Pocket Planets every 3 weeks. The most recent releases landed on July 6, 2026 and September 8, 2026 respectively.

Scorecard6 real differences · 4 level
Solar System (Lite) versus Pocket Planets: the parameters behind the verdict, then further details
ParameterSolar System (Lite)Pocket Planets
PriceFreeFree
Rating4.5 (23 ratings)4.6 (22 ratings) — better
Positive reviews83.3% of reviews — better66.7% of reviews
Number of ratings23 — better22
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better12.0
Further details — not scored
Size91 MB66 MB
Age rating4+4+
DeveloperVosonos LLCAd Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag

Customer experience

Solar System (Lite)

All ratings23 ratings
Positive87.0%
Neutral0.0%
Negative13.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Pocket Planets

All ratings22 ratings
Positive86.4%
Neutral4.5%
Negative9.1%
Written reviews6 reviews
Positive66.7%
Neutral16.7%
Negative16.7%

In-app purchases

None

Solar System (Lite)

No in-app purchases

None

Pocket Planets

No in-app purchases

Questions

Is Solar System (Lite) free?
Solar System (Lite) is free to download, with no in-app purchases.
Is Pocket Planets free?
Pocket Planets is free to download, with no in-app purchases.
Which has better reviews, Solar System (Lite) or Pocket Planets?
Pocket Planets is rated higher. Solar System (Lite) averages 4.5 out of 5 from 23 ratings, while Pocket Planets averages 4.6 from 22 ratings.
Do Solar System (Lite) or Pocket Planets have ads?
Pocket Planets shows ads; Solar System (Lite) does not.
Which is updated more often, Solar System (Lite) or Pocket Planets?
Solar System (Lite) ships an update every 3 months, and Pocket Planets every 3 weeks. Most recently, Solar System (Lite) was updated on July 6, 2026 and Pocket Planets on September 8, 2026.

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