iOS vs Android Development: Key Differences for Teams and Owners

The short answer

Below is what these differences mean for the team and the product owner.

Languages: Swift and Kotlin

• Swift is Apple's modern language with safe memory and null handling. UIs are increasingly written in declarative SwiftUI; older projects use UIKit.
• Kotlin is the main Android language, recommended by Google. Modern UI is built with Jetpack Compose; existing projects often use the classic View system.

The languages share a similar spirit: strong typing, concise syntax, null safety. But they are separate ecosystems, and specialists are usually different people.

Tooling: Xcode and Android Studio

• Xcode runs only on macOS. That means building and publishing the iOS version requires a Mac — even with cross-platform development. Cloud build services partly solve this.
• Android Studio runs on all major operating systems and includes emulators for different devices.

Both include simulators, profilers and build-signing tools, but workflows and configuration differ noticeably.

Device diversity

This is one of the biggest practical differences.

• iOS: a small number of iPhone and iPad models, and users usually update the OS quickly. Testing is simpler.
• Android: many manufacturers, screen sizes, OS versions and custom skins. Some vendors aggressively restrict background work, which affects notifications and background tasks.

For Android, decide early on the minimum supported OS version and a test device set based on your real audience.

Review and publishing

• App Store: every version is reviewed by Apple. Rules on privacy, payments and content are strict; in-app purchases of digital goods generally must go through Apple's system. A rejection with comments is normal, so plan time for fixes.
• Google Play: also has review, plus rules on user data and permissions. For new personal accounts, Google may require closed testing before production access. Android apps can also be distributed outside Google Play — for example, for internal corporate use.

Check current rules in the official sources: the App Store Review Guidelines and the Google Play Console policies.

Audience: Uzbekistan and the CIS vs the world

• In Uzbekistan and most CIS countries, Android accounts for a clear majority of smartphones, largely because of the wide choice of devices at every price point.
• Worldwide, Android also leads by device count, but iOS is much stronger in a number of wealthy markets.
• Within a country, iPhone share can be higher in specific segments: big cities, premium services, business audiences.

Exact figures change, so before deciding, check fresh statistics for your country and, most importantly, your own audience data: website analytics, customer inquiries, your CRM.

Which platform to launch first

Start with Android if:

• your audience is mass-market and located in Uzbekistan or the CIS;
• the product is about delivery, ride-hailing, banking, government services or retail;
• you need to reach users with affordable devices.

Start with iOS if:

• your segment is premium and iPhones dominate your website analytics;
• the product targets markets where iOS is strong;
• monetization through subscriptions and in-app purchases is central to the model.

Launch on both at once if your audience is mixed and you go cross-platform: one codebase lowers the cost of the second platform.