# Relativity Widget vs Gravitational Force

Relativity Widget and Gravitational Force are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 26, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Relativity Widget | Gravitational Force |
| --- | --- | --- |
| 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 6 months |
| Monetization | Free | — |
| Size | 1 MB | 43 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) | [STAGE CODING, Travnik](https://appshunter.io/developer/1637068135) |

## 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


### Gravitational Force

[App page](https://appshunter.io/ios/app/gravitational-force-calcon/id1619685815)

**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 Gravitational Force free?

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

### Do Relativity Widget or Gravitational Force have ads?

Neither Relativity Widget nor Gravitational Force shows ads.

### Which is updated more often, Relativity Widget or Gravitational Force?

Relativity Widget ships an update every 6 months, and Gravitational Force every 6 months. Most recently, Relativity Widget was updated on September 26, 2026 and Gravitational Force on September 15, 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.*