# Photon Journey — A Cosmic Real-Time Adventure

> Real-time solar system photon journey simulation with educational planet facts. (iPhone/iPad app by Ryan Semerau.)

- Source: https://appshunter.io/ios/app/photon-journey/id6480126222 (this page in markdown: same URL + `.md`)
- Developer: [Ryan Semerau](https://appshunter.io/developer/1738254946)
- Category: Education, Entertainment
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 17.0 · 15 MB
- Languages: English
- Released: 2024-04-02
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/photon-journey/id6480126222/reviews.md

## What is Photon Journey?

Embark on an extraordinary adventure through space with "Photon Journey." This innovative app offers a unique way to experience the scale of our solar system and the incredible speed of light. By simulating the journey of a photon from the Sun to the edges of our solar system, users receive real-time notifications as the photon passes each planet.

Features:

* Live Notifications: Get real-time updates on the photon's journey across the solar system, from Mercury to Neptune and beyond.
* Expandable Notifications: Tap and hold notifications for fascinating facts and information about each planet.
* Interactive Photon Explorer: Zoom, pan, and watch the photon's progress through the solar system in real time.
* Journey details: Tap notifications to open the app for detailed views of the photon's journey and insights into each planet it passes.

Whether you're a space enthusiast, a student, or just curious, "Photon Journey" offers a captivating and educational experience. Understand the vastness of space and the concept of light-speed in a hands-on, engaging way. Perfect for educators, students, and anyone fascinated by the universe.

## Key features

- Live photon journey notifications
- Expandable planet facts
- Interactive solar system explorer
- Detailed journey insights
- Real-time progress tracking


## Frequently asked questions about Photon Journey

### What is Photon Journey?

Photon Journey is an educational app that simulates the real-time journey of a photon from the Sun to the outer solar system. It provides live notifications as the photon passes each planet, offering fascinating facts and interactive exploration.

### How does Photon Journey teach about light speed?

By simulating the photon's travel time across vast distances in the solar system, the app helps users grasp the immense scale and speed of light in an engaging, visual manner.

### What kind of information is available about each planet?

Users can tap and hold notifications to access expandable details about each planet the photon passes. These details offer insights into each celestial body encountered on the journey.

### Can I interact with the solar system in Photon Journey?

Yes, the app features an interactive Photon Explorer. You can zoom, pan, and observe the photon's progress through the solar system in real time.

### Is Photon Journey available on Android devices?

Currently, Photon Journey is supported on iPhone devices. Information regarding Android compatibility may be updated in future releases.

### How often is Photon Journey updated?

Photon Journey was last updated on April 2, 2024, with version 1.1. The developer, Ryan Semerau, released the app on the same date, indicating recent development activity.

### What is the age rating for Photon Journey?

Photon Journey has an age rating of 4+, making it suitable for young children and up. This rating suggests the content is appropriate for a broad audience.

### Does Photon Journey have ads?

No, Photon Journey does not contain advertisements. The app is completely ad-free, providing an uninterrupted educational experience for users.

## Version history (last 1 release)

### 1.1 — 2024-04-02

No release notes.

## Apps similar to Photon Journey

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Solar System&Celestial Objects](https://appshunter.io/ios/app/solar-system-and-celestial-objects/id6503188651) | — | Free | Education |
| [PlanetenSpielundApp2b](https://appshunter.io/ios/app/planetenspielundapp2b/id1494749871) | 3.5 (2) | Free | Education |
| [Atlas of Moons](https://appshunter.io/ios/app/atlas-of-moons/id1520266563) | 4.5 (25) | Free | Education |
| [Galileo : Solar System](https://appshunter.io/ios/app/galileo-solar-system/id6450375194) | — | Free | Education |
| [Cosmos: Our Solar System](https://appshunter.io/ios/app/cosmos-our-solar-system/id6480411273) | — | Free | Education |
| [Solary](https://appshunter.io/ios/app/solary/id1517004737) | — | Free | Education |

## More apps by Ryan Semerau

- [The Heart Knows](https://appshunter.io/ios/app/the-heart-knows/id6496601976)
- [9/11 Timeshift](https://appshunter.io/ios/app/911-timeshift/id6499362641)
- [The Brass Plates](https://appshunter.io/ios/app/the-brass-plates/id6499431128)
- [Cold Call Practice](https://appshunter.io/ios/app/cold-call-practice/id6749189436)
- [IronRod Social](https://appshunter.io/ios/app/ironrod-social/id6759941957)

All apps by Ryan Semerau: https://appshunter.io/developer/1738254946

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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.*