# EarthViewer vs Earth's Core

The clearest difference is update cadence: EarthViewer at every 2 months against Earth's Core's every 70 months. EarthViewer also leads on ratings volume (107 vs 4) and iOS requirement (9.3 vs 12.0). Earth's Core's advantage is review sentiment (100% vs 83%). On price, rating, ads and in-app purchases there is nothing between them.

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 — 4.4 for EarthViewer against 4.3 for Earth's Core. That said, the two scores are not equally well evidenced: EarthViewer has 107 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 83% of EarthViewer's written reviews are positive against 100% of Earth's Core's.

EarthViewer ships an update every 2 months, Earth's Core every 70 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EarthViewer | Earth's Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (107 ratings)](https://appshunter.io/ios/app/earthviewer/id590208430/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/earths-core/id1220835186/reviews) |
| Number of ratings | **107** | 4 |
| Positive reviews | 83.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 70 months |
| Monetization | Free | Free |
| Size | 108 MB | 54 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Howard Hughes Medical Institute](https://appshunter.io/developer/411540290) | [Celestial Dynamics AG](https://appshunter.io/developer/997250789) |

## What reviewers say

### EarthViewer

[App page](https://appshunter.io/ios/app/earthviewer/id590208430)

Explore Earth's 4.5 billion-year history with this interactive time machine. See how continents, oceans, and climate have changed over eons, track landmarks and fossils, and visualize scientific data like temperature and biodiversity. Discover the dynamic evolution of our planet.

**Highlights:** Continental reconstructions over billions of years, Sea level and temperature maps, Track landmark and fossil movements, Visualize atmospheric composition and biodiversity, Explore geological eons, eras, and periods, Automated play modes and animations

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🌍 Comprehensive geological history visualization from 4.6 billion years ago to present
- 📚 Excellent educational resource for teachers and students
- 🎨 Beautiful and intuitive interface design
- 🆓 Free app with extensive features and data
- 🔄 Smooth continental drift animation and timeline controls

**What reviewers complain about**

- 🚫 Cannot exit app without force-closing or restarting device
- 🐛 App freezes when switching between map projections
- 📱 Not optimized for newer iOS versions
- 🌏 Australia appears incorrectly in ancient Earth viewer
- 🔲 Grid coordinates (lat/lon) not displaying properly

**Reported bugs**

- App cannot be closed normally - requires force quit or device restart
- App freezes when switching from flat map to globe view
- Australia appears in incorrect locations in ancient Earth viewer
- Grid coordinates (latitude/longitude) not displaying
- Globe transparency and image distortion on iPad

**Requested features**

- Add Pangea Proxima/Pangea Ultima supercontinent visualization
- Add Kenorland supercontinent (2500 Mya)
- Include future Earth continental drift predictions (0-250 million years)
- Add Pleistocene ice age details with smaller time increments
- Include ground-level view of Earth with animals and landscapes


### Earth's Core

[App page](https://appshunter.io/ios/app/earths-core/id1220835186)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EarthViewer free?

EarthViewer is free to download, with no in-app purchases.

### Is Earth's Core free?

Earth's Core is free to download, with no in-app purchases.

### Which has better reviews, EarthViewer or Earth's Core?

EarthViewer is rated higher. EarthViewer averages 4.4 out of 5 from 107 ratings, while Earth's Core averages 4.3 from 4 ratings.

### Do EarthViewer or Earth's Core have ads?

Neither EarthViewer nor Earth's Core shows ads.

### Which is updated more often, EarthViewer or Earth's Core?

EarthViewer ships an update every 2 months, and Earth's Core every 70 months. Most recently, EarthViewer was updated on October 23, 2026 and Earth's Core on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*