Comparison

Encyclopedia vs Space & the Solar System Lite

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

Head to head
About

Encyclopedia

Explore the solar system with extensive articles and high-definition images. This app offers comprehensive information, engaging content, and a user-friendly interface, making it suitable for both children and adults interested in space.

Highlights
  • Thousands of articles and HD photos
  • Comprehensive solar system information
  • Engaging and easy-to-understand content
  • Offline availability
  • Badge collection for reading
  • Intuitive user interface
Features
Read full description

Explore the Solar System, its planets and the worlds beyond Earth. Read 386 articles, search for a topic, and save discoveries to revisit. START WITH FIVE FREE ARTICLES New readers can choose any five different articles. Your chosen articles stay unlocked, and revisiting them never uses another choice. Existing readers keep previously granted access. MAKE DISCOVERIES YOUR OWN • Search article titles and full text • Follow links between related topics • Save articles and return to your reading position • Continue recent reading and track your progress • Explore connections through the timeline and graph • Find article sources and image credits inside the app CHOOSE YOUR ACCESS Own the full encyclopedia with a one-time purchase for complete offline reading. Or choose monthly or annual Premium for the full encyclopedia plus AI chat grounded in this subject's articles. Eligible new Premium subscribers receive a three-day introductory trial. Subscriptions renew automatically unless canceled through your App Store account. Current local prices and terms appear before purchase. Restore Purchases recovers eligible previous purchases. Earlier full-version ownership includes encyclopedia and offline access; Premium AI requires a subscription. Internet access is required for AI chat and purchases. AI answers may contain errors; consult the linked sources. Article text is derived from Wikipedia. Images come from appropriately licensed Wikimedia Commons and other open sources. Source links, licenses and credits are available in the app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Space & the Solar System Lite

Explore the cosmos with interactive games and fun facts about planets, stars, and galaxies. This app helps children independently master space knowledge and satisfy their curiosity about the universe.

Highlights
  • Interactive educational games
  • Fun space facts
  • Learn about planets and celestial bodies
  • Planet positioning and movement
  • Over 100 space nouns
  • Independent learning through play
Features
Read full description

Free Explore space & the solar system with koala. Kids can learn all about space: the sun, mercury, Venus, the earth, earth’s satellite the moon, Mars, Jupiter, Saturn, Uranus, space station, Space Telescope, comet, the dwarf planets-Pluto, Ceres, Haumea, Makemake, Eris, asteroid belt, kuiper belt, galaxies, nebula, etc. Features: - fun learning from 11 different educational games for children - educational with fun facts - all the space facts that children are interested in - planets’ positioning in the universe - planets’ rotation and revolution, internal structure - children learn independently through interactive games - more than 100 space and cosmic nouns - children easily master space knowledge - satisfy children’s curiosity with one app About Magic Science House Magic Science House is dedicated to develop scientific apps and facts apps for kids. It aims to let kids learn about the world and themselves, to discover and to create via playing fun games. If any suggestions or opinions, please comment our app or write mails to contact@magicsciencehouse.com.

Screenshots

Encyclopedia4 screens
Space & the Solar System Lite4 screens

Verdict

The call

The clearest difference is review sentiment: Encyclopedia at 83% against Space & the Solar System Lite's 40%. Encyclopedia also leads on rating (3.8 vs 3.1) and ads (none vs shown). Space & the Solar System Lite's advantage is in-app purchases (none vs 3) and iOS requirement (7.0 vs 15.0). On price, ratings volume 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

Both are free to download. Encyclopedia sells 3 in-app purchases, starting at $2.99 per month. Space & the Solar System Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Encyclopedia holds the better App Store score, 3.8 against 3.1. Both are backed by a comparable volume of ratings — 14 and 8 respectively. Written reviews point the same way: 83% of Encyclopedia's written reviews are positive against 40% of Space & the Solar System Lite's.

UpkeepUpdate frequency

Encyclopedia ships an update every 3 weeks, Space & the Solar System Lite every 4 months. Both last shipped on November 2, 2026.

Scorecard7 real differences · 3 level
Encyclopedia versus Space & the Solar System Lite: the parameters behind the verdict, then further details
ParameterEncyclopediaSpace & the Solar System Lite
PriceFreeFree
Rating3.8 (14 ratings) — better3.1 (8 ratings)
Positive reviews83.3% of reviews — better40.0% of reviews
Number of ratings14 — better8
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.07.0 — better
Further details — not scored
Size496 MB185 MB
Age rating4+4+
DeveloperGood Spider, LLCChengdu Bosijie Technology LLC.

Customer experience

Encyclopedia

All ratings14 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Space & the Solar System Lite

All ratings8 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

3 purchases

Encyclopedia

Subscriptions2
  • Monthly Premium3 Days trial$2.991 Month
  • Annual Premium3 Days trial$19.991 Year
One-time1
  • Full Version$9.99
None

Space & the Solar System Lite

No in-app purchases

Questions

Is Encyclopedia free?
Encyclopedia is free to download, with in-app purchases available.
Is Space & the Solar System Lite free?
Space & the Solar System Lite is free to download, with no in-app purchases.
Which has better reviews, Encyclopedia or Space & the Solar System Lite?
Encyclopedia is rated higher. Encyclopedia averages 3.8 out of 5 from 14 ratings, while Space & the Solar System Lite averages 3.1 from 8 ratings.
Do Encyclopedia or Space & the Solar System Lite have ads?
Space & the Solar System Lite shows ads; Encyclopedia does not.
Which is updated more often, Encyclopedia or Space & the Solar System Lite?
Encyclopedia ships an update every 3 weeks, and Space & the Solar System Lite every 4 months. Most recently, Encyclopedia was updated on November 2, 2026 and Space & the Solar System Lite on November 2, 2026.

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