# Tray Worlds: Planet Simulator — Exoplanet Ecosystem Simulator

> Exoplanet ecosystem simulator based on real biological models. (iPhone/iPad app by Igor Veseli.)

- Source: https://appshunter.io/ios/app/tray-worlds-planet-simulator/id1575319574 (this page in markdown: same URL + `.md`)
- Developer: [Igor Veseli](https://appshunter.io/developer/1575319576)
- Category: Education, Entertainment
- Price: Free
- Rating: 3.30/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 9+
- Requires: iOS 13.0 · 86 MB
- Languages: English
- Released: 2021-09-10
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/tray-worlds-planet-simulator/id1575319574/reviews.md

## What is Tray Worlds?

Set properties of a custom exoplanet and see what kind of plants and animals would evolve on a small part of this planet based on real biological models. You can choose properties like the temperature of the star that shines on this planet, planet's gravity and planet's atmosphere density.

## Key features

- Custom exoplanet property settings
- Simulate plant and animal evolution
- Based on real biological models
- Adjust star temperature
- Adjust planet gravity
- Adjust atmosphere density

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/tray-worlds-planet-simulator/id1575319574/reviews.md

### 4/5 — It’s enjoyable

*2022-08-22, version 1.1.1*

I really like it just add more to it like an ecosystem and more animal like creatures it’s impressive how you got the accuracy

**Developer response:** Thank you for your interest. I am working on new version as time permits me. 
It is beeing made in Unreal Engine 5.1 and I am mostly focused on realistic Jungle vegetation in this version. In the versions after the focus will be on animals and increasing their numbers.

## Frequently asked questions about Tray Worlds

### What is Tray Worlds: Planet Simulator?

Tray Worlds: Planet Simulator is an educational application that allows users to design custom exoplanets and observe the simulated evolution of plant and animal life based on real biological models. Users can adjust parameters like star temperature, gravity, and atmosphere density.

### What biological models does Tray Worlds: Planet Simulator use?

The app is based on real biological models to simulate the evolution of life on custom exoplanets. It aims to provide a scientifically grounded representation of how different environmental factors might influence the development of ecosystems.

### What are the key environmental factors I can adjust in Tray Worlds: Planet Simulator?

You can set properties such as the temperature of the star, the planet's gravity, and the density of its atmosphere. These settings influence the types of plants and animals that are simulated to evolve.

### What is the age rating for Tray Worlds: Planet Simulator?

Tray Worlds: Planet Simulator has an age rating of 9+. This indicates it is suitable for children aged 9 and above, offering educational content in a simulated environment.

### On which devices can I play Tray Worlds: Planet Simulator?

Tray Worlds: Planet Simulator is available on iPhone, iPad, and iPod. It is designed for iOS devices, allowing a wide range of Apple users to explore exoplanet simulation.

### How often is Tray Worlds: Planet Simulator updated?

The latest version of Tray Worlds: Planet Simulator is 1.1.1, which was released on November 14, 2021. The initial release date was September 10, 2021, suggesting updates may occur periodically.

### What is the user rating for Tray Worlds: Planet Simulator?

Tray Worlds: Planet Simulator has an average rating of 3.3 stars from 4 ratings. This indicates a mixed reception from its current user base.

### Does Tray Worlds: Planet Simulator have ads?

The provided data does not specify whether Tray Worlds: Planet Simulator contains advertisements. However, its monetization model is listed as 'free', which sometimes includes ads.

## Version history (last 1 release)

### 1.1.1 — 2021-11-14

You can see color of tiger on exoplanets.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*