# Relativity Widget vs FITEL Smart Apps

The clearest difference is iOS requirement: FITEL Smart Apps at 12.0 against Relativity Widget's 14.0. 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.

## The numbers

| Metric | Relativity Widget | FITEL Smart Apps |
| --- | --- | --- |
| 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 | — |
| Monetization | Free | — |
| Size | 1 MB | 9 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) | [Lightera Japan](https://appshunter.io/developer/1833827716) |

## 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


### FITEL Smart Apps

[App page](https://appshunter.io/ios/app/fitel-smart-apps/id6751182768)

**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 FITEL Smart Apps free?

FITEL Smart Apps is free to download, with no in-app purchases.

### Do Relativity Widget or FITEL Smart Apps have ads?

Neither Relativity Widget nor FITEL Smart Apps 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.*