Earth's Core vs Earth Rotation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Visualize Earth's internal structure
- Explore planet layers
- Discover layer temperatures
- Learn layer depths
- Detailed look inside the planet
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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
Earth Rotation
Explore a 3D simulation of celestial bodies. Adjust rotation speeds, reverse direction, and alter lighting angles. Choose from three distinct Earth visual styles for an interactive learning experience.
- Adjustable rotation speed
- Reverse rotation direction
- Adjustable sun lighting angle
- Three Earth visual styles
- 3D celestial animation
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This is a 3D animation in which the sun, the earth, and the moon rotate. -You can change the rotation speed. The fastest is 1 second, and the slowest is 300 seconds to make one revolution. -It can rotate in the reverse direction, which is not possible in the natural world. -The earth and the moon can change the light from the sun by 30 degrees. -There are three types of earth: night lights, nature, and globes.
Screenshots
Verdict
The clearest difference is price: Earth's Core at Free against Earth Rotation's $0.99. Earth's Core also leads on ratings volume (4 vs 1) and iOS requirement (12.0 vs 15.0). Earth Rotation's advantage is rating (5.0 vs 4.3) and update cadence (every 22 months vs every 70 months). On 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
Earth's Core is free to download; Earth Rotation costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Earth Rotation holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Earth's Core ships an update every 70 months, Earth Rotation every 22 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | Earth's Core | Earth Rotation |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.3 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 70 months | Every 22 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 54 MB | 46 MB |
| Age rating | 4+ | 17+ |
| Developer | Celestial Dynamics AG | Masahiro Tomosada |
Customer experience
Earth's Core
Earth Rotation
In-app purchases
Earth's Core
No in-app purchases
Earth Rotation
No in-app purchases
Questions
Is Earth's Core free?
Is Earth Rotation free?
Which has better reviews, Earth's Core or Earth Rotation?
Do Earth's Core or Earth Rotation have ads?
Which is updated more often, Earth's Core or Earth Rotation?
Other comparisons
