# relativistic balloon

> relativistic balloon (iPhone/iPad app by Sungjun Kim.)

- Source: https://appshunter.io/ios/app/relativistic-balloon/id1633566916 (this page in markdown: same URL + `.md`)
- Developer: [Sungjun Kim](https://appshunter.io/developer/1602461985)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 0 MB
- Languages: English
- Released: 2022-07-08
- Data updated: 2025-12-14
- User reviews in markdown: https://appshunter.io/ios/app/relativistic-balloon/id1633566916/reviews.md

## What is relativistic balloon?

this app shows the relativistic effects in a visual way. the vertical height of the cyan ellipse represents time dilation. the horizontal width of the cyan ellipse represents length contraction.


## Version history (last 1 release)

### 1.0 — 2022-07-08

No release notes.

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## More apps by Sungjun Kim

- [game theories 1](https://appshunter.io/ios/app/game-theories-1/id6443715938)
- [game theories 2](https://appshunter.io/ios/app/game-theories-2/id6443716105)
- [relativistic velocity addition](https://appshunter.io/ios/app/relativistic-velocity-addition/id6443873136)
- [relativistic space travel](https://appshunter.io/ios/app/relativistic-space-travel/id6443974500)
- [Learning Hangul](https://appshunter.io/ios/app/learning-hangul/id6449379992)

All apps by Sungjun Kim: https://appshunter.io/developer/1602461985

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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 2025-12-14.*