# Relativity Widget vs Worlds Apart

The clearest difference is rating: Relativity Widget at 5.0 against Worlds Apart's 4.2. Relativity Widget also leads on iOS requirement (14.0 vs 17.0). Worlds Apart's advantage is update cadence (monthly vs every 6 months) and ratings volume (5 vs 1). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Worlds Apart has 5 ratings behind it against 1, so its average is the more settled of the two.

Relativity Widget ships an update every 6 months, Worlds Apart monthly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Relativity Widget | Worlds Apart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/relativity-widget/id1534420574/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/worlds-apart-world-time-clock/id6792161114/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | Free |
| Size | 1 MB | 22 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) | [Jaishree Garg](https://appshunter.io/developer/6792161266) |

## 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


### Worlds Apart

[App page](https://appshunter.io/ios/app/worlds-apart-world-time-clock/id6792161114)

Understand the local time for people you care about, not just places. This app helps you find considerate times to connect and plan calls or travel by visualizing time zone differences and their impact on daily routines.

**Highlights:** Humanize time zones, Track local time, date, weather, and part of day for contacts, Contact signals for considerate communication, Time Machine for planning calls, Interactive widgets for home screen access, Offline travel planning with Fly Mode, Private by default, no tracking

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Relativity Widget free?

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

### Is Worlds Apart free?

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

### Which has better reviews, Relativity Widget or Worlds Apart?

Relativity Widget is rated higher. Relativity Widget averages 5.0 out of 5 from 1 ratings, while Worlds Apart averages 4.2 from 5 ratings.

### Do Relativity Widget or Worlds Apart have ads?

Neither Relativity Widget nor Worlds Apart shows ads.

### Which is updated more often, Relativity Widget or Worlds Apart?

Relativity Widget ships an update every 6 months, and Worlds Apart monthly. Most recently, Relativity Widget was updated on October 10, 2026 and Worlds Apart on October 7, 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.*