# The Relativity Tales vs Time Dilation Explorer Lab

The clearest difference is iOS requirement: The Relativity Tales at 15.0 against Time Dilation Explorer Lab's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. The Relativity Tales sells 1 one-off in-app purchase and Time Dilation Explorer Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | The Relativity Tales | Time Dilation Explorer Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-relativity-tales/id6747155057/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 613 MB | 16 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Sang Heon Park](https://appshunter.io/developer/1675276100) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### The Relativity Tales

[App page](https://appshunter.io/ios/app/the-relativity-tales/id6747155057)

Explore the principles of special relativity through interactive thought experiments and engaging narratives. This app transforms complex scientific concepts into intuitive experiences, making science accessible and emotionally resonant.

**Highlights:** Interactive thought experiments, Narrative-driven learning, Intuitive science exploration, Exploration of spacetime concepts, Courtroom thriller scenarios, Space exploration narratives

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock "The Relativity Tales" | $2.99 | one-time |


### Time Dilation Explorer Lab

[App page](https://appshunter.io/ios/app/time-dilation-explorer-lab/id6773199521)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is The Relativity Tales free?

The Relativity Tales is free to download, with in-app purchases available.

### Is Time Dilation Explorer Lab free?

Time Dilation Explorer Lab is free to download, with in-app purchases available.

### Do The Relativity Tales or Time Dilation Explorer Lab have ads?

Both The Relativity Tales and Time Dilation Explorer Lab show ads.

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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.*