# The Relativity Tales vs SpaceFold

The clearest difference is in-app purchases: SpaceFold at none against The Relativity Tales's 1. SpaceFold also leads on ads (none vs shown). The Relativity Tales's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | The Relativity Tales | SpaceFold |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 624 MB | 6 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Sang Heon Park](https://appshunter.io/developer/1675276100) | [GALGOTIAS UNIVERSITY,SCHOOL OF BUSINESS](https://appshunter.io/developer/1804867214) |

## 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 |


### SpaceFold

[App page](https://appshunter.io/ios/app/spacefold/id6778677783)

**Features:** macOS Compatibility

**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 SpaceFold free?

SpaceFold is free to download, with no in-app purchases.

### Do The Relativity Tales or SpaceFold have ads?

The Relativity Tales shows ads; SpaceFold does not.

### Which is updated more often, The Relativity Tales or SpaceFold?

The Relativity Tales ships an update weekly, and SpaceFold weekly. Most recently, The Relativity Tales was updated on October 28, 2026 and SpaceFold on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*