# Relativity Widget vs Discover Douglas

The clearest difference is update cadence: Discover Douglas at every 2 months against Relativity Widget's every 6 months. Relativity Widget's advantage is iOS requirement (14.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Relativity Widget ships an update every 6 months, Discover Douglas every 2 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Relativity Widget | Discover Douglas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/relativity-widget/id1534420574/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 1 MB | 142 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) | [City of Douglas (Wyoming)](https://appshunter.io/developer/1784817555) |

## What reviewers say

### Relativity Widget

[App page](https://appshunter.io/ios/app/relativity-widget/id1534420574)

Visualize Einstein's theories of relativity directly on your home screen. Choose between Special Relativity to see time dilation in a spaceship or General Relativity to observe time differences near a black hole.

**Highlights:** Special Relativity visualization, General Relativity visualization, Time dilation display, Home screen integration, Customizable speed/distance settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Discover Douglas

[App page](https://appshunter.io/ios/app/discover-douglas/id6739315607)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Relativity Widget free?

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

### Is Discover Douglas free?

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

### Do Relativity Widget or Discover Douglas have ads?

Neither Relativity Widget nor Discover Douglas shows ads.

### Which is updated more often, Relativity Widget or Discover Douglas?

Relativity Widget ships an update every 6 months, and Discover Douglas every 2 months. Most recently, Relativity Widget was updated on October 4, 2026 and Discover Douglas on September 30, 2026.

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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.*