# Inside Earth vs EarthPi

The clearest difference is in-app purchases: Inside Earth at none against EarthPi's 1. Inside Earth also leads on review sentiment (100% vs 67%) and update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. EarthPi sells 1 one-off in-app purchase. Inside Earth asks for nothing beyond the download.

Inside Earth holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 48 and 14 respectively. Written reviews point the same way: 100% of Inside Earth's written reviews are positive against 67% of EarthPi's.

Inside Earth ships an update fortnightly, EarthPi every 3 months. The most recent releases landed on September 16, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Inside Earth | EarthPi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (48 ratings)](https://appshunter.io/ios/app/inside-earth-crust-to-core/id1600729183/reviews)** | [4.4 (14 ratings)](https://appshunter.io/ios/app/earthpi/id6741358020/reviews) |
| Number of ratings | **48** | 14 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 190 MB | 116 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Andre](https://appshunter.io/developer/1131259796) | [Othman Alzahrani](https://appshunter.io/developer/1664580679) |

## What reviewers say

### Inside Earth

[App page](https://appshunter.io/ios/app/inside-earth-crust-to-core/id1600729183)

Explore the Earth's interior by virtually peeling back its layers. Understand the composition of the crust, mantle, and core. Learn about tectonic plates, volcanism, and earthquakes.

**Highlights:** Interactive layer peeling, Tectonic plate visualization, Volcanism and earthquake explanation, Compositional learning, Geological process discovery

**In-app purchases:** none


### EarthPi

[App page](https://appshunter.io/ios/app/earthpi/id6741358020)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EarthPi Premium | $3.99 | one-time |


## Frequently asked questions

### Is Inside Earth free?

Inside Earth 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, Inside Earth or EarthPi?

Inside Earth is rated higher. Inside Earth averages 4.7 out of 5 from 48 ratings, while EarthPi averages 4.4 from 14 ratings.

### Do Inside Earth or EarthPi have ads?

Neither Inside Earth nor EarthPi shows ads.

### Which is updated more often, Inside Earth or EarthPi?

Inside Earth ships an update fortnightly, and EarthPi every 3 months. Most recently, Inside Earth was updated on September 16, 2026 and EarthPi on September 11, 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.*