Comparison

X vs Cretapedia

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

Head to head
About

X

Explore the solar system, Earth's atmosphere, and its structure with engaging audio and video content. This app offers an entertaining and educational journey for all ages, created by a team of experts.

Highlights
  • Audio guides for Solar System Trail
  • On-demand content
  • Audio and video on Earth's atmosphere
  • Content on Earth's structure
  • Solar System exploration
  • Expert-created content
Features
Read full description

Use the free Audio Guides and add another dimension to the Solar System Trail walk or enjoy the on-demand content. The App offers audio and video content about The Atmosphere, The Structure of the Earth and The Solar System. It is the collaborative work of scientists, writers, space artists and voice actors. Its aim is to deliver fun, entertaining and educational content to suit younger and older users alike. Get a new perspective as you go on a journey across the Solar System, fly to the top of the Atmosphere or descend on a Journey to the Center of the Earth.

About

Cretapedia

An ad-free educational app for children aged 5-12, offering engaging science lessons through interactive 3D animations and fun quizzes. It covers over 20 topics, fostering curiosity and developing critical thinking skills in a playful, story-driven environment.

Highlights
  • 20+ science topics
  • Bite-sized lessons
  • Fun quizzes
  • 3D animations
  • Interactive models
  • Develops critical thinking
  • Story-driven content
Features
Read full description

Smarter screen time! A safe, ad-free space where kids 5–12 can explore science with confidence. 1. Discover Fascinating Topics From animals to space, 20+ fascinating topics that spark curiosity Bite-sized lessons make even complex ideas easy to grasp Fun quizzes keep kids motivated and proud of progress 2. See Learning Come Alive Stunning 3D animations bring abstract concepts to life Interactive models let kids zoom, rotate, and explore in detail 3. Grow Future-Ready Skills Boost focus, memory, and observation through exploration Develop critical thinking, problem-solving, and creativity Strengthen imagination and curiosity—the foundation of lifelong learning 4. Learning that Feels Like Play Story-driven content keeps kids engaged start to finish Gamified progress makes learning fun, not forced Every session feels like an adventure, not a lecture Current Courses Available: Biology & Health: Human Body, Microorganisms Earth & Space Sciences: Rocks and Minerals, Weather and Climate, Space, Landforms Physical Sciences: Physics, Chemistry Animals & Plants: Dinosaurs, Fish, Insects, Birds, Plants, Marine Animals, Mammals, Amphibians, African Animals, Paleozoic Animals Engineering & Technology: Great Inventions, Machines History & Social Sciences: Ancient Civilizations, European Civilization, Chinese Architecture Coming Soon: Math Is Fun, Mushrooms, Forest Animals, Mars, Air and Space, Transportation, Agriculture, Toxic Creatures, Brain Science, Diseases, Reptiles, and more! READY TO EXPLORE? Spark your child’s curiosity and ignite a lifelong love of science. Download Cretapedia today and start their adventure into the wonders of the natural world! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeul

Screenshots

X4 screens
Cretapedia4 screens

Verdict

The call

The clearest difference is rating: Cretapedia at 4.6 against X's 1.3. Cretapedia also leads on review sentiment (42% vs 0%) and ratings volume (1.7K vs 3). X's advantage is monetization model (free vs free with in-app purchases). 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

Both are free to download. X sells 10 one-off in-app purchases and Cretapedia sells 9 in-app purchases, starting at $13.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Cretapedia holds the better App Store score, 4.6 against 1.3. That said, the two scores are not equally well evidenced: Cretapedia has 1.7K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of X's written reviews are positive against 42% of Cretapedia's.

UpkeepUpdate frequency

X ships an update every 3 months, Cretapedia monthly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
X versus Cretapedia: the parameters behind the verdict, then further details
ParameterXCretapedia
PriceFreeFree
Rating1.3 (3 ratings)4.6 (1.7K ratings) — better
Positive reviews0.0% of reviews42.5% of reviews — better
Number of ratings31.7K — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613.0 — better
Further details — not scored
Size46 MB227 MB
Age rating4+4+
DeveloperRoni WasermanAMAZING EDTECH PTE. LTD.

Customer experience

X

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Cretapedia

All ratings1,741 ratings
Positive89.3%
Neutral4.0%
Negative6.7%
Written reviews73 reviews
Positive42.5%
Neutral6.8%
Negative50.7%

Bugs and requests

X

Not enough reviews yet to summarise bugs or requests.

Cretapedia

Reported bugs

3 issues
  • Subscription issues and inability to access paid content
  • App closing during sign-up process
  • Compatibility issues with older devices

Requested features

4 requests
  • Add more dinosaur content and battles
  • Improve quiz and review features
  • Offer a more affordable subscription model
  • Provide a neutral perspective on religious topics

In-app purchases

10 purchases

X

One-time10
  • A Comet's Journey$0.99
  • Journey To The Centre Of Earth$0.99
  • A Mission To Mars$0.99
Show 7 more
  • A Mission To The ISS$0.99
  • A Voyage To Saturn$0.99
  • Solar System Experience$0.99
  • The World Under Our Feet$0.99
  • Tour The Atmosphere$0.99
  • When Dinosaurs Moved$0.99
  • Moons Of The Solar System$0.99
9 purchases

Cretapedia

Subscriptions7
  • MONTHLY-30 DAYS FREE1 Month trial$13.991 Month
  • MONTHLY-7 DAYS FREE7 Days trial$13.991 Month
  • MONTHLY-BASIC$13.991 Month
Show 4 more
  • YEARLY-PROMOTION1 Year trial$119.991 Year
  • YEARLY-PROMOTION2 variants$119.991 Year
  • YEARLY-BASIC$119.991 Year
  • YEARLY-7 DAYS FREE7 Days trial$119.991 Year
One-time2
  • Ccoin$10.00
  • Ccoins$50.00

Questions

Is X free?
X is free to download, with in-app purchases available.
Is Cretapedia free?
Cretapedia is free to download, with in-app purchases available.
Which has better reviews, X or Cretapedia?
Cretapedia is rated higher. X averages 1.3 out of 5 from 3 ratings, while Cretapedia averages 4.6 from 1.7K ratings.
Do X or Cretapedia have ads?
Neither X nor Cretapedia shows ads.
Which is updated more often, X or Cretapedia?
X ships an update every 3 months, and Cretapedia monthly. Most recently, X was updated on November 3, 2026 and Cretapedia on November 7, 2026.

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