# The Relativity Tales vs The Einstein Archive

The clearest difference is in-app purchases: The Einstein Archive at none against The Relativity Tales's 1. The Einstein Archive also leads on ads (none vs shown). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. The Relativity Tales sells 1 one-off in-app purchase. The Einstein Archive asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for The Relativity Tales against 5.0 for The Einstein Archive. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | The Relativity Tales | The Einstein Archive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/the-relativity-tales/id6747155057/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/the-einstein-archive/id6804042319/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 624 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Sang Heon Park](https://appshunter.io/developer/1675276100) | [Felicity Enterprises LLC](https://appshunter.io/developer/1883166758) |

## 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" | $4.99 | one-time |


### The Einstein Archive

[App page](https://appshunter.io/ios/app/the-einstein-archive/id6804042319)

Explore the life and scientific contributions of Albert Einstein through an interactive timeline, detailed maps, and high-resolution images of his work. This app offers a comprehensive, offline experience without requiring an account or internet connection.

**Highlights:** Interactive timeline of life and discoveries, Local search functionality, Map view of significant locations, Deep zoom image viewer, Save favorite content, Offline and private operation

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

**In-app purchases:** none


## Frequently asked questions

### Is The Relativity Tales free?

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

### Is The Einstein Archive free?

The Einstein Archive is free to download, with no in-app purchases.

### Which has better reviews, The Relativity Tales or The Einstein Archive?

The Relativity Tales and The Einstein Archive are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do The Relativity Tales or The Einstein Archive have ads?

The Relativity Tales shows ads; The Einstein Archive does not.

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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.*