A hybrid app is a type of mobile app that combines elements of both native and web applications. It is built using a combination of web technologies such as HTML, CSS, and JavaScript, along with native app elements such as device-specific APIs and UI elements.

The main advantage of a hybrid app is that it can be deployed across multiple platforms, including iOS and Android, with a single codebase. This makes it easier and more cost-effective to develop and maintain compared to building separate native apps for each platform.

However, hybrid apps may not always be able to provide the same level of performance and functionality as native apps. This is because they rely on web technologies to render the user interface and may not have direct access to the underlying hardware and software of the device.

1. Cost-effective: One of the main advantages of hybrid apps is that they are generally more cost-effective to develop and maintain compared to native apps. This is because developers can use a single codebase for multiple platforms, which saves time and resources.

2. Cross-platform compatibility: Hybrid apps can run on multiple platforms, including iOS, Android, and web browsers. This makes them a good choice for businesses that want to reach a broad audience.

3. Faster development time: Since hybrid apps share a common codebase, developers can often build them faster than native apps. This can be a major advantage if the project has a tight deadline.

4. Limited access to device features: Hybrid apps rely on web technologies to render the user interface, which means they may not have direct access to device features such as the camera, microphone, or GPS. This can limit the functionality of the app compared to native apps.

5. Performance: The performance of a hybrid app can vary depending on the complexity of the app and the hardware of the device. In general, native apps tend to have better performance because they can access the full power of the device's hardware and software.

6. User experience: The user experience of a hybrid app can be similar to a native app, but it may not be as smooth or responsive as a well-designed native app.