# Relativistic vs Black Hole Vision

The clearest difference is ratings volume: Black Hole Vision at 24 against Relativistic's 2. Relativistic's advantage is iOS requirement (9.0 vs 17.5). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Relativistic holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Black Hole Vision has 24 ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | Relativistic | Black Hole Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/relativistic/id1018548002/reviews)** | [4.8 (24 ratings)](https://appshunter.io/ios/app/black-hole-vision/id6737292448/reviews) |
| Number of ratings | 2 | **24** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | Free | Free |
| Size | 7 MB | 64 MB |
| Requires iOS | **9.0** | 17.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Leet](https://appshunter.io/developer/1018548001) | [Alexandru Lupsasca](https://appshunter.io/developer/1775800348) |

## What reviewers say

### Relativistic

[App page](https://appshunter.io/ios/app/relativistic/id1018548002)

Explore the effects of relativity by adjusting the speed of light and observing real-time changes. Simulate scenarios like time dilation and gravitational blueshift by placing observers and celestial objects on a map. This app offers an intuitive method for understanding Einstein's theory.

**Highlights:** Adjustable speed of light, Real-time relativity effects, Observer placement and time dilation, Black hole simulation, Gravitational blueshift visualization, Intuitive learning tool

**In-app purchases:** none


### Black Hole Vision

[App page](https://appshunter.io/ios/app/black-hole-vision/id6737292448)

Experience the universe through the lens of a black hole. This app simulates how a black hole would warp your camera's view, revealing a photon ring and offering a glimpse into advanced astronomical concepts. Explore the science behind black hole lensing with open-source code and educational resources.

**Highlights:** Live camera feed simulation, Black hole lensing effect, Photon ring visualization, Open-source code available, Educational insights into astrophysics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Relativistic free?

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

### Is Black Hole Vision free?

Black Hole Vision is free to download, with no in-app purchases.

### Which has better reviews, Relativistic or Black Hole Vision?

Relativistic is rated higher. Relativistic averages 5.0 out of 5 from 2 ratings, while Black Hole Vision averages 4.8 from 24 ratings.

### Do Relativistic or Black Hole Vision have ads?

Neither Relativistic nor Black Hole Vision shows 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.*