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Swift: what it is and how we use it

Swift is Apple’s programming language for iPhone and iPad apps.

An iPhone showing app icons
Photo: mikemacmarketing, CC BY 2.0, Wikimedia Commons

1. How it works

Apple introduced Swift in 2014 as a modern language for apps on iPhone, iPad, Mac and other devices. It is fast, safe and closely tied to the platform.

2. Why it matters to a business

What matters to a business is that a native app can use the whole phone: notifications, the camera, location and working offline. The price is separate development for Apple.

3. How we use it

We use it when an app has to make full use of the phone, such as notifications, the camera or working offline.

4. When it fits

It suits apps for iPhone and iPad only that need to use the phone’s features to the full.

5. What to watch for

The app works only on Apple devices. Android needs a separate version.

6. In practice

We choose Swift when an app is meant for iPhone and iPad and should make full use of them: notifications, camera, location, Apple Pay or offline work. The app then feels natural and follows system conventions.

7. Alternatives

If you need both iOS and Android, one app in Flutter or React Native is often cheaper. Native Swift wins where smooth running and deep integration with the device matter most.

8. Common questions

Does a Swift app work on Android?

No. It is meant for Apple devices. Android needs a separate app or a different tool.

Does the app have to be approved?

Yes, Apple reviews apps for the App Store. We plan for it, because the review can take days and come back with remarks.

How much does such development cost?

The price depends on the range of features. After a short conversation about what the app should do, we prepare a quote with a breakdown.

If you need help with this, take a look at our Software development.

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Matyáš Musela · 733 230 308 · Filip Berčík · 774 915 200 · aetheron@aetheron.cz · Prague

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