# EarthPi vs Solar Explorer 3D

The clearest difference is update cadence: Solar Explorer 3D at every 2 weeks against EarthPi's every 3 months. EarthPi's advantage is review sentiment (67% vs 50%) and rating (4.5 vs 4.2). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. EarthPi sells 1 one-off in-app purchase and Solar Explorer 3D sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

EarthPi holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 15 and 25 respectively. Written reviews point the same way: 67% of EarthPi's written reviews are positive against 50% of Solar Explorer 3D's.

EarthPi ships an update every 3 months, Solar Explorer 3D every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | EarthPi | Solar Explorer 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (15 ratings)](https://appshunter.io/ios/app/earthpi/id6741358020/reviews)** | [4.2 (25 ratings)](https://appshunter.io/ios/app/solar-explorer-3d/id6752232739/reviews) |
| Number of ratings | 15 | **25** |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 116 MB | 833 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Othman Alzahrani](https://appshunter.io/developer/1664580679) | [Shenzhen Qizhuan Technology Co., Ltd.](https://appshunter.io/developer/1838373818) |

## What reviewers say

### 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 |


### Solar Explorer 3D

[App page](https://appshunter.io/ios/app/solar-explorer-3d/id6752232739)

Explore the cosmos with a realistic 3D simulation of the Solar System. Witness celestial bodies, spacecraft, and their movements with detailed surface views and mission replays. Ideal for astronomy enthusiasts and educators.

**Highlights:** Realistic 3D Solar System simulation, Detailed celestial body and spacecraft models, Surface exploration and landing views, Time acceleration for observing motion, Mission replay functionality, Real-time astronomical data display

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

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


## Frequently asked questions

### Is EarthPi free?

EarthPi is free to download, with in-app purchases available.

### Is Solar Explorer 3D free?

Solar Explorer 3D is free to download, with in-app purchases available.

### Which has better reviews, EarthPi or Solar Explorer 3D?

EarthPi is rated higher. EarthPi averages 4.5 out of 5 from 15 ratings, while Solar Explorer 3D averages 4.2 from 25 ratings.

### Do EarthPi or Solar Explorer 3D have ads?

Neither EarthPi nor Solar Explorer 3D shows ads.

### Which is updated more often, EarthPi or Solar Explorer 3D?

EarthPi ships an update every 3 months, and Solar Explorer 3D every 2 weeks. Most recently, EarthPi was updated on October 24, 2026 and Solar Explorer 3D 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.*