Earth's Core vs SeaLevels
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
SeaLevels
This app provides an educational tool to inform users about the realities of rising sea levels and their impact on humanity. It aims to foster understanding and encourage action by presenting scientific consensus on climate change in an accessible format.
- Environmental education
- Climate change information
- Sea level rise data
- Informational tool
- Promotes awareness
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The Sea Levels Project was born out of a love for the environment, a concern over inaction, and a lack of simple to use educational tools. Almost all scientists agree that the global climate is changing, and that sea levels are rising, with an increase in the rate of rise very likely to be caused by humans. When it comes to action it is of no consequence whether the cause of climate change is man-made or natural - it still poses an increasing threat to humanity. We believe that education is an essential step for us as a species to find a solution. Whilst no mobile application could ever hope provide an answer we can help by providing an informational tool.
Screenshots
Verdict
The clearest difference is update cadence: SeaLevels at every 7 months against Earth's Core's every 70 months. Earth's Core's advantage is iOS requirement (12.0 vs 16.0). On price, rating, review sentiment and ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.3 for Earth's Core against 4.3 for SeaLevels. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Earth's Core ships an update every 70 months, SeaLevels every 7 months. Both last shipped on October 29, 2026.
| Parameter | Earth's Core | SeaLevels |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) | 4.3 (7 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 | 7 — better |
| Update frequency | Every 70 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 54 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Celestial Dynamics AG | Robert Smith |
Customer experience
Earth's Core
SeaLevels
In-app purchases
Earth's Core
No in-app purchases
SeaLevels
No in-app purchases
