You could create your own custom component with React Native. Just Inherit it and Create Own component like as https://github.com/arshigtx/react-native-custom-switch create a component copy inner src fix issues then make it your own. Please start the project.

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https://snack-web-player.s3.us-west-1.amazonaws.com/v2/46/index.html?initialUrl=exp%3A%2F%2Fexp.host%2F%40snack%2Fsdk.46.0.0-HVS884TWR6&origin=https%3A%2F%2Fsnack.expo.dev&verbose=false

import React, { useState } from "react";
import { View, Switch, StyleSheet,Text } from "react-native";

const App = () => {
  const [isEnabled, setIsEnabled] = useState(false);
  const toggleSwitch = () => setIsEnabled(previousState => !previousState);

  return (
    <View style={styles.container}>
      <View>
      {
        isEnabled ? <Text style={{position: 'absolute', color: 'white', top: 3, left: 2, zIndex: 5, fontSize: 11}} >On</Text> : <Text style={{position: 'absolute', color: 'white', top: 3, left: 20, zIndex: 5, fontSize: 11}}>Off</Text>
      }
      <Switch
        trackColor={{ false: "#767577", true: "#81b0ff" }}
        thumbColor={isEnabled ? "#f5dd4b" : "#f4f3f4"}
        ios_backgroundColor="#3e3e3e"
        onValueChange={toggleSwitch}
        value={isEnabled}
      />
      </View>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    alignItems: "center",
    justifyContent: "center",
  }
});

export default App;