Driansh Softtech

Mobile App Development

iOS app development services for iPhone, iPad and Watch

We build native iOS apps in Swift for businesses and product teams, including VoIP calling apps that ring like regular phone calls through CallKit.
Talk to an iOS engineerSee what we build

Free consultation with our engineers

What we build with iOS

iOS app development is how we bring your product to iPhone, iPad and Apple Watch users. We write native apps in Swift and SwiftUI, and maintain Objective-C code when an older app depends on it.

We follow Apple's design and privacy rules from the start, which keeps App Store review smooth. Our VoIP background also helps with CallKit, PushKit and background audio, the parts of iOS many teams find hardest.

Technology we work with

  • Swift
  • SwiftUI
  • UIKit
  • Objective-C
  • CallKit
  • PushKit
  • Core Data
  • Firebase
  • Linphone SDK
  • WebRTC

What we offer

iOS app development services we offer

Custom iOS apps

Build a native Swift app shaped around your features and users, ready for App Store review.

iOS UI design

Design screens that follow Apple's guidelines so your app feels familiar and passes review faster.

CallKit VoIP apps

Show incoming SIP or WebRTC calls on the native call screen, even when the app is closed.

Apple Watch & iPad

Extend your iPhone app to iPad layouts and watchOS companions with notifications and quick actions.

Upgrades & migration

Move Objective-C code to Swift, adopt SwiftUI, or support the latest iOS version without a rewrite.

Maintenance & support

Fix crashes, handle iOS updates and ship new features after launch so your app keeps working.

Planning an iOS app?

Tell us what your app needs to do. An iOS engineer will review it and suggest the right approach.
Talk to an iOS engineer

What we build

iOS apps we build

VoIP softphone apps

Branded SIP dialers with CallKit, push wake-up and call history.
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Video calling apps

One-to-one and group video calls on iPhone and iPad using WebRTC.
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Support team apps

Mobile access to customer conversations for agents on the move.
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Business apps

Secure staff and customer apps connected to your own backend and APIs.
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Apps for Android too

One React Native codebase when you need iPhone and Android together.
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Why Driansh

Why teams choose Driansh for iOS

Calling done right

We know CallKit and PushKit rules, so VoIP calls ring reliably and pass App Store review.

Privacy built in

We plan permissions, data storage and privacy labels early, so review surprises are rare.

You own the code

Source code, certificates and App Store Connect access stay with you, so you are never locked in.

Tested on real devices

Each build is tested on physical iPhones and iPads across supported iOS versions.

How we work

From idea to live platform in four steps

  1. 01

    Discover

    We review your requirements, traffic and existing stack, then agree scope, milestones and cost.

  2. 02

    Design

    We plan the architecture, integrations and failover so the platform fits your growth plans.

  3. 03

    Build & test

    We develop in short sprints with regular demos, then load-test and QA before go-live.

  4. 04

    Deploy & support

    We launch on your servers or cloud and stay on for monitoring, fixes and upgrades.

Frequently asked questions

Get in touch

Planning an iOS app?

Tell us what your app needs to do. An iOS engineer will review it and suggest the right approach.

Tell us about your project

Share a few details and the right engineer will get back to you.

By sending this form you agree to our privacy policy.

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