Mobile apps are of two types - native and cross-platform. Native applications are written in the platform's native language: for Android - Java and Kotlin, for iOS - Swift and Objective-C. Cross-platform applications are written in a completely different language using additional tools (we have ReactNative), but as a result, we get two applications at once to work on both platforms.
Pros of native apps:
- High performance. Native code has direct access to the system, which reduces the likelihood of errors and response times.
- Maximum use of platform capabilities, more flexible functionality.
- Best UX. The interface is developed taking into account all the features of the platform.
- Better positioning in mobile app stores.
Pros of cross-platform applications:
- Use the same code for two platforms, without the need for re-development.
- It is cost-effective to order the development of one application, not two.
- Easy and quick launch in AppStore and Google.Play.
- Reach all possible audience.
- Same interface for both wasps.
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Naturally, both approaches have disadvantages and certain specificities. With native development, either you have to pay for two applications, or you lose part of the audience. Cross-platform applications are not as flexible and have a slightly worse UX, because there are trade-offs between the two systems. In each case, the optimal solution will be different.