Comparison

Earth's Core vs EarthPi

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

Head to head
About

Earth's Core

Explore the internal structure of our planet with a detailed view of Earth's layers. Discover the composition, temperature, and depth of each section, from the crust to the core. This educational tool provides a fascinating look beneath your feet.

Highlights
  • Visualize Earth's internal structure
  • Explore planet layers
  • Discover layer temperatures
  • Learn layer depths
  • Detailed look inside the planet
Features
Read full description

The Earth's Core App lets you see our planet’s internal structure. Just point your mobile to the center of the Earth and experience a deep look inside our planet. Right beneath your feet, thousands of kilometers deep, lies a giant ball of molten Iron as hot as the surface of the sun! Explore the Layers of the Earth and their names, discover the temperature and depth of each layer. Feedback and ideas: please send to support@cosmic-watch.com

About

EarthPi

Explore Earth with 27 interactive map projections. Visualize the planet from different angles, adjust time to see sunlight, and track celestial bodies. Save your discoveries with screenshot functionality.

Highlights
  • 27 Earth projections
  • Smooth projection transitions
  • Time control for sunlight simulation
  • Celestial tracking (sun and moon)
  • Screenshot functionality
Features
Read full description

EarthPi is a unique app designed to provide users with a detailed and interactive way to explore Earth through various map projections. With 27 distinct Earth projections, the app allows users to study and visualize the planet from multiple perspectives. Key Features: - 27 Earth Projections: Choose from a variety of Earth's map projections. - Smooth Projection Transitions: Switch between projections seamlessly with fluid animations and learn how each map projection works. - Time Control: Adjust the time to observe the dynamic interaction of sunlight with Earth’s surface across all projections. - Celestial Tracking: View the real-time positions of the sun and moon based on the selected time. - Screenshot Functionality: Capture and save images of any map projection. Future Development: The developer is dedicated to expanding EarthPi’s capabilities, with plans to introduce additional projections, features, and improvements.

Screenshots

Earth's Core3 screens
EarthPi4 screens

Verdict

The call

The clearest difference is in-app purchases: Earth's Core at none against EarthPi's 1. Earth's Core also leads on review sentiment (100% vs 67%). EarthPi's advantage is update cadence (every 3 months vs every 70 months) and ratings volume (14 vs 4). On price, rating, ads 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. EarthPi sells 1 one-off in-app purchase. Earth's Core asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for Earth's Core against 4.4 for EarthPi. Both are backed by a comparable volume of ratings — 4 and 14 respectively. Written reviews are what separate them: 100% of Earth's Core's written reviews are positive against 67% of EarthPi's.

UpkeepUpdate frequency

Earth's Core ships an update every 70 months, EarthPi every 3 months. The most recent releases landed on August 31, 2026 and September 11, 2026 respectively.

Scorecard5 real differences · 5 level
Earth's Core versus EarthPi: the parameters behind the verdict, then further details
ParameterEarth's CoreEarthPi
PriceFreeFree
Rating4.3 (4 ratings)4.4 (14 ratings) — better
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings414 — better
Update frequencyEvery 70 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size54 MB116 MB
Age rating4+4+
DeveloperCelestial Dynamics AGOthman Alzahrani

Customer experience

Earth's Core

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

EarthPi

All ratings14 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Earth's Core

No in-app purchases

1 purchases

EarthPi

One-time1
  • EarthPi Premium$3.99

Questions

Is Earth's Core free?
Earth's Core is free to download, with no in-app purchases.
Is EarthPi free?
EarthPi is free to download, with in-app purchases available.
Which has better reviews, Earth's Core or EarthPi?
EarthPi is rated higher. Earth's Core averages 4.3 out of 5 from 4 ratings, while EarthPi averages 4.4 from 14 ratings.
Do Earth's Core or EarthPi have ads?
Neither Earth's Core nor EarthPi shows ads.
Which is updated more often, Earth's Core or EarthPi?
Earth's Core ships an update every 70 months, and EarthPi every 3 months. Most recently, Earth's Core was updated on August 31, 2026 and EarthPi on September 11, 2026.

Other comparisons