Unistyles vs. Tamagui for cross-platform React Native styles
Tags: reactnative, mobile
Published: 2024-06-12 15:02:05

**Written by [Popoola Temitope](https://blog.logrocket.com/author/popoolatemitope/)✏️**

Creating a responsive application plays an important role in providing a consistent user interface that dynamically adjusts and displays properly on different devices. A cross-platform responsive UI enhances UX by ensuring consistent, optimized interactions on both mobile and web. 

Unistyles and Tamagui are two [React Native styling libraries](https://blog.logrocket.com/tamagui-react-native-create-faster-design-systems/) that you can use to create cross-platform styles that works on both mobile and web applications. These two libraries address the challenges of creating consistent and responsive styles across different mobile devices. 

In this article, we will explore Unistyles and Tamagui and compare them with each other.

## What is Unistyles?

[Unistyles is a cross-platform library](https://reactnativeunistyles.vercel.app/) designed to streamline style management within React Native applications. You can use Unistyles to create styles that are compatible and supported across different platforms, such as iOS, Android, React Native Web, macOS, and Windows. 

The Unistyles library is built on top of the default [React Native StyleSheet](https://blog.logrocket.com/react-native-styling-tutorial-examples/), making it easy to transition to Unistyles if you’re already familiar with React Native and working with the StyleSheet. It comes with notable features such as breakpoints, theming, media queries, and cross-platform support, among others. 

To install Unistyles into your React Native project, open your terminal, navigate to the project directory, and run the command below:

```bash
npm install react-native-unistyles
cd ios && pod install
```

Unistyles has many benefits for mobile development. Some of the pros of Unistyles include:

*   It offers strong TypeScript support with automatic type inference, which helps developers improve productivity
*   It supports cross-platform styling that works on various platforms including web, Android, iOS, and macOS
*   Its core functionality is written in C++ and JavaScript using JSI bindings to provide better performance optimization

Meanwhile, here are some cons of Unistyles:

*   It does not support Expo Go out of the box due to its custom native code
*   It lacks prebuilt UI component kits

## Unistyles usage example

Let’s see a demo of how to use Unistyles to style your React Native application. Open the `App.tsx` file and add the following code:

```typescript
import React from 'react';
import { View, Text, TouchableOpacity, Platform } from 'react-native';
import { useStyles } from 'react-native-unistyles';
// Define your styles with platform-specific adjustments
const MyStyles = {
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    backgroundColor: Platform.select({
      ios: 'lightblue',
      android: 'lightgreen',
      default: 'white', // Default for other platforms
    }),
  },
  text: {
    fontSize: 30,
    color: 'red',
    padding: Platform.select({
      ios: 10,
      android: 20,
      default: 15, // Default for other platforms
    }),
  },
  button: {
    paddingVertical: Platform.select({
      ios: 12,
      android: 16,
      default: 14, // Default for other platforms
    }),
    paddingHorizontal: 24,
    backgroundColor: Platform.select({
      ios: 'dodgerblue',
      android: 'green',
      default: 'gray', // Default for other platforms
    }),
    borderRadius: 5,
    marginTop: 20,
  },
  buttonText: {
    fontSize: 18,
    color: 'white',
  },
};
const App = () => {
  // Initialize useStyles with the defined styles
  const { styles, breakpoint, theme } = useStyles(MyStyles);
  // Log the styles, breakpoint, and theme for debugging
  console.log({ styles, breakpoint, theme });
  return (
    <View style={styles.container}>
      <Text style={styles.text}>Cross-Platform Styling Example</Text>
      <TouchableOpacity style={styles.button}>
        <Text style={styles.buttonText}>Press Me</Text>
      </TouchableOpacity>
    </View>
  );
};
export default App;
```

The above code will produce the following result: ![Demo Of Unistyles Button Component With Consistent But Appropriately Adjusted Styles For Mobile And Web](https://blog.logrocket.com/wp-content/uploads/2024/05/Unistyles-usage-demo.png)

## What is Tamagui?

[Tamagui is a UI library](https://tamagui.dev/) that makes it easier for you to build UIs for React Native apps that work on both mobile and web platforms. It provides a suite of pre-built components, a powerful styling system, theming capabilities, and media queries for designing responsive applications. 

One of Tamagui's standout features is its ability to share styles between web and native apps without compromising the app's performance or code quality. Also, Tamagui optimizes the process of rendering styled components by simplifying them into platform-specific elements — that is, `div` elements for the web and `Views` for native platforms. 

To get started with Tamagui, install the library by running the command below in your React Native project directory:

```bash
npm install tamagui @tamagui/core @tamagui/config
```

Then, to configure Tamagui, navigate to the root folder of the project, create a configuration file named `tamagui.config.ts`, and add the following code:

```typescript
import { createTamagui } from "tamagui";
import { config } from "@tamagui/config";
export default createTamagui(config);
```

Tamagui has its own set of pros and cons. Some of the benefits of Tamagui include:

*   It features an inbuilt compiler (`@tamagui/static`) for performance optimization
*   Developers can utilize pre-built styled UI components, eliminating the need to design them from scratch
*   It has a flexible styling system that supports dynamic theming, making it easy to switch between themes

Some cons of Tamagui you should know are:

*   It does not support plugins, making it difficult to extend its functionality
*   Setting up Tamagui in an Expo app is not straightforward; it requires additional configuration

## Tamagui usage example

Let's demonstrate how to use the [AlertDialog](https://tamagui.dev/ui/alert-dialog/1.0.0) component from Tamagui UI in a React Native application. To do that, open the `app.js` file and add the following code:

```javascript
import { View, StyleSheet, Text } from "react-native";
import { AlertDialog, Button, XStack, YStack } from "tamagui";
import { TamaguiProvider } from "tamagui";
import config from "./tamagui.config";
import { StatusBar } from "expo-status-bar";
export default function App() {
  return (
    <TamaguiProvider config={config}>
      <View style={styles.container}>
        <Header />
        <AlertDialogDemo />
        <StatusBar style="auto" />
      </View>
    </TamaguiProvider>
  );
}
function Header() {
  return (
    <View style={styles.header}>
      <Text style={styles.headerText}>Welcome to Tamagui Alert Demo</Text>
    </View>
  );
}
function AlertDialogDemo() {
  return (
    <AlertDialog native>
      <AlertDialog.Trigger asChild>
        <Button style={styles.showAlertButton}>Show Alert</Button>
      </AlertDialog.Trigger>
      <AlertDialog.Portal>
        <AlertDialog.Overlay />
        <AlertDialog.Content>
          <YStack space>
            <AlertDialog.Title>Accept</AlertDialog.Title>
            <AlertDialog.Description>
              By pressing yes, you accept our terms and conditions.
            </AlertDialog.Description>
            <XStack space="$3" justifyContent="flex-end">
              <AlertDialog.Cancel asChild>
                <Button style={styles.cancelButton}>Cancel</Button>
              </AlertDialog.Cancel>
              <AlertDialog.Action asChild>
                <Button theme="active" style={styles.acceptButton}>
                  Accept
                </Button>
              </AlertDialog.Action>
            </XStack>
          </YStack>
        </AlertDialog.Content>
      </AlertDialog.Portal>
    </AlertDialog>
  );
}
const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: "#f8f9fa",
    alignItems: "center",
    justifyContent: "center",
    padding: 20,
  },
});
```

Save the above code and start the application. You will see the following output: ![Demo Of Tamagui Alert Demo Shown On Android And Apple Mobile Device Emulators](https://blog.logrocket.com/wp-content/uploads/2024/05/Tamagui-usage-demo.gif)

## Similarities between Unistyles and Tamagui

Unistyles and Tamagui are both cross-platform style libraries that work on both mobile and web applications, making it easy to build cross-platform, responsive, and user-friendly application interfaces that are easy to maintain. 

Both Unistyles and Tamagui support server-side rendering and component rendering, respectively. This enables developers to create web applications with improved SEO and faster page loading by rendering styles on the server side. 

While Tamagui might have a larger community currently, both libraries have active communities that provide support through documentation, forums, or discussion channels. 

Both libraries also support media queries, enabling developers to define styles that apply only to specific screen sizes or device orientations. This ensures that the app displays and functions well on different devices.

## Unistyles vs. Tamagui: Differences

Let’s discuss the notable differences between Unistyles and Tamagui to determine which of these two cross-platform libraries is suitable for your React Native application.

### Customization

Unistyles is a low-level styling library that enables developers to create custom designs compatible with both mobile and web apps from scratch. You can use a toolbox of reusable CSS classes for precise control. 

On the other hand, Tamagui is a UI library featuring pre-built styled components, enabling developers to design interfaces effortlessly by leveraging built-in elements like buttons, forms, and panels, eliminating the need to develop custom components from scratch. 

Unistyles is suitable for projects requiring maximum flexibility and highly customized UIs. Meanwhile, Tamagui is a good fit for projects that prioritize faster development and a consistent look and feel.

### Plugins

Unistyles allows you to use plugins to easily extend your app’s functionality and customize the styling behavior. The plugin accepts defined style objects and returns a new style object that you can use to apply new features to elements or components within the application. 

As for Tamagui, it doesn’t currently support a plugin system, which means we can't extend its functionality or alter its styling behavior as easily as with Unistyles plugins.

### Popularity

Unistyles was released in October 2023 and quickly reached a 6 percent usage rate within the first three months, according to the [State of React Native survey](https://results.stateofreactnative.com/styling/). This percentage shows how developers are adapting to the library. 

Tamagui has been around a little longer than Unistyles and had a 6 percent usage rate for the 2022 calendar year. This usage rate increased to 19 percent in 2023 due to its growing popularity among developers. 

The image below — which comes from the State of React Native survey results — shows the usage percentages of the most-used React Native style libraries for the years 2022 and 2023: ![State Of React Native Survey Results For Styling Library Usage Showing Tamagui Usage At 19 Percent While Unistyles Usage Is At 4 Percent](https://blog.logrocket.com/wp-content/uploads/2024/05/State-React-Native-survey-styling-library-usage.png)

### Performance

Unistyles is a fast styling library that offers low-level customization, rendering 1000 views with all its features in 46.5ms. While slightly slower than StyleSheet, it still outperforms most React Native style libraries. 

Tamagui is a fast UI library that uses its `@tamagui/static` core compiler to optimize styled components. This helps improve performance by hoisting objects and CSS at build-time, resulting in flatter React trees.

## Comparison table: Unistyles vs. Tamagui

Let’s recap the comparison between Unistyles and Tamagui in a convenient table:

<table>

<thead>

<tr>

<th>Feature</th>

<th>Unistyles</th>

<th>Tamagui</th>

</tr>

</thead>

<tbody>

<tr>

<td>Customizability</td>

<td>High</td>

<td>Moderate</td>

</tr>

<tr>

<td>Plugins</td>

<td>Yes</td>

<td>No</td>

</tr>

<tr>

<td>Popularity</td>

<td>Growing</td>

<td>Established</td>

</tr>

<tr>

<td>Performance</td>

<td>High</td>

<td>High</td>

</tr>

<tr>

<td>Themes</td>

<td>Yes</td>

<td>Yes</td>

</tr>

</tbody>

</table>

Using this table, you can evaluate Unistyles and Tamagui at a glance to determine which option is best for your needs.

For example, since both libraries perform well and provide theming capabilities, you may want to choose Unistyles if you require customizability and plugins, or choose Tamagui if an established community with extensive resources is more important.

## Conclusion

Choosing between Unistyles and Tamagui depends on the specific needs and priorities of your project. If your project requires maximum flexibility and highly customized UIs, Unistyles may be the better choice due to its low-level styling capabilities. 

On the other hand, if you prioritize faster development and a consistent look and feel across platforms, Tamagui's pre-built styled components can help streamline the design process.

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