# Living Earth vs Three

The clearest difference is in-app purchases: Living Earth at none against Three's 1. Three's advantage is update cadence (every 5 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Living Earth against 5.0 for Three. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Living Earth ships an update every 2 months, Three every 5 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Living Earth | Three |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/living-earth-disaster-tracker/id6805792206/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/three-body-simulation/id6817179834/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 10 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cinnamon Mobile LLC](https://appshunter.io/developer/473206444) | [志强 曾](https://appshunter.io/developer/1800987336) |

## What reviewers say

### Living Earth

[App page](https://appshunter.io/ios/app/living-earth-disaster-tracker/id6805792206)

Visualize global natural phenomena like earthquakes, hurricanes, wildfires, and auroras on a dynamic 3D globe. Explore detailed event information, replay past geological activity, and receive optional alerts for significant seismic events. All data is sourced from reputable scientific agencies.

**Highlights:** Live earthquake visualization, Hurricane and storm tracking, Wildfire monitoring, Aurora forecast and animation, Volcano information, Tectonic plate display, Historical event replay

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

**In-app purchases:** none


### Three

[App page](https://appshunter.io/ios/app/three-body-simulation/id6817179834)

Explore the fascinating beauty of gravity and celestial motion. Interact with three bodies, discover countless orbital paths, and experiment with your own gravity scenarios. Turn curiosity into understanding with this educational simulation.

**Highlights:** Explore 16 classic periodic solutions, Discover 10,059 3D periodic orbits, Experiment with custom gravity scenarios, Learn about the three-body problem, Offline exploration of orbits, Interactive celestial motion simulation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Living Earth free?

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

### Is Three free?

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

### Which has better reviews, Living Earth or Three?

Living Earth and Three are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Living Earth or Three have ads?

Neither Living Earth nor Three shows ads.

### Which is updated more often, Living Earth or Three?

Living Earth ships an update every 2 months, and Three every 5 days. Most recently, Living Earth was updated on November 1, 2026 and Three on October 31, 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.*