Native apps for iPhone, iPad and Apple WatchSOC 2 Type II
iPhone App Development Company for Native iOS Apps
SDLC Corp is an iPhone app development company that plans, designs and builds native iOS apps in Swift and SwiftUI. We also build the backend, run TestFlight betas and prepare your app for App Store review. After launch, we keep it current with each new iOS release.
- SOC 2 Type II
- ISO 27001 Certified
- ISO 9001 Certified
- Projects delivered
- 3,400+
- Global engineers
- 1,200+
- Countries served
- 30+
- Years of delivery
- 10+
Trusted by teams at
Why go native on iPhone
An iPhone App Development Company That Owns the Whole Release
A good iPhone app feels fast, follows Apple design patterns and uses the device well. That means Face ID sign-in, smart push alerts, widgets and smooth offline use. However, great code alone does not get an app live. It also has to pass App Store review, meet privacy rules and keep working after each iOS update.
As an iPhone app development company, we cover all of it with one team. Product designers, Swift engineers, backend developers and QA work in the same sprints. So you get one plan, one point of contact and builds you can test on your own iPhone every sprint. Need Android too? See our mobile app development services for Kotlin, Flutter and React Native.
- Native Swift and SwiftUI, with UIKit where it fits better
- TestFlight builds you can try on your own device each sprint
- App Store review, privacy labels and release handled for you
Services
What Our iPhone App Development Company Builds for You
As a full-service iPhone app development company, we can start with one service, such as design or an MVP. Or we can take on the full product, from the first sketch to the App Store and beyond.
Custom iPhone App Development
Native apps in Swift and SwiftUI, built around your users and your business rules. We plan the architecture so the app can grow.
iOS UI and UX Design
Research, wireframes and Figma prototypes that follow the Human Interface Guidelines. We also design for Dark Mode and Dynamic Type.
UI/UX designiPhone MVP Development
A focused first release with the few features that prove your idea. Then we use TestFlight feedback to plan the next steps.
MVP developmentiPad App Development
Real iPad layouts with split views, sidebars, keyboard and Apple Pencil support. These are not stretched phone screens.
Apple Watch, Widgets and App Clips
watchOS companion apps, home screen widgets with WidgetKit and Live Activities that keep key info one glance away.
App Modernization
We move older Objective-C or UIKit code to modern Swift step by step. In addition, we fix crashes and update old SDKs.
Backend, APIs and Cloud
Secure APIs, user accounts, admin panels and cloud hosting that your iPhone app can rely on, even at peak load.
Cloud app developmentTesting, Release and Support
Unit, UI and device testing, then App Store submission. After launch, we monitor crashes and ship updates for each iOS release.
Testing services
Technology
iOS Technology We Build With
Native apps get full access to Apple frameworks, so they can do more and feel faster. Pick an area to see where it fits and how we use it. Every build follows the App Store Review Guidelines from day one.
Interface
SwiftUI, UIKit, WidgetKit, ActivityKit
- Where it fits
- Every screen, from sign-up to settings, plus widgets and Live Activities on the lock screen.
- How we build it
- We build new screens in SwiftUI and use UIKit where a complex view needs it. We also support Dark Mode, Dynamic Type and VoiceOver from the start.
Data and sync
SwiftData, Core Data, CloudKit, URLSession
- Where it fits
- Apps that must work offline, sync across devices or cache large lists without lag.
- How we build it
- We store data on the device with SwiftData or Core Data, then sync it with your API or CloudKit. That way, the app stays usable on a weak signal.
Device features
HealthKit, ARKit, Core Location, Core Bluetooth, Core ML
- Where it fits
- Health and fitness apps, AR product previews, maps, connected devices and on-device AI.
- How we build it
- We ask for each permission only when the user needs it and explain why. Then we test the feature on real devices, not only in the simulator.
Payments
StoreKit 2, Apple Pay, payment gateways
- Where it fits
- Subscriptions, in-app purchases and checkout for physical goods.
- How we build it
- We use StoreKit 2 for digital goods and subscriptions, because App Store rules require it there. For physical goods, we add Apple Pay or your payment gateway.
Notifications
APNs, rich notifications, Live Activities
- Where it fits
- Order updates, reminders, chat alerts and live status on the lock screen.
- How we build it
- We send push alerts through APNs with token-based auth. In addition, we add rich media, quiet hours and deep links that open the right screen.
Privacy and security
Keychain, Face ID, App Tracking Transparency, privacy manifests
- Where it fits
- Fintech, health and enterprise apps that handle personal or sensitive data.
- How we build it
- We keep secrets in the Keychain, add Face ID sign-in and encrypt traffic. We also fill in privacy nutrition labels and ask for tracking consent only if you track users.
Release
Xcode Cloud, fastlane, TestFlight, App Store Connect
- Where it fits
- Teams that want steady, low-risk releases instead of last-minute builds.
- How we build it
- We automate builds and tests in CI, ship TestFlight betas each sprint and use phased release for updates. As a result, launches stay calm.
Our iOS toolkit
Languages
- Swift
- Objective-C (legacy code)
- Swift Concurrency
Apple frameworks
- SwiftUI
- UIKit
- Combine
- WidgetKit
- MapKit
- AVFoundation
Data
- SwiftData
- Core Data
- CloudKit
- Realm
- Firebase
Testing
- XCTest
- XCUITest
- Swift Testing
- Instruments
- TestFlight
CI and release
- Xcode
- Xcode Cloud
- fastlane
- GitHub Actions
- Swift Package Manager
Backend
- Node.js
- Python
- .NET
- GraphQL
- REST
- AWS
- Google Cloud
Building an iOS game instead? Our iOS game development team builds games in Swift and Unity.
Why SDLC Corp
Why Choose Us as Your iPhone App Development Company
Many teams can write an app. Fewer can ship it, pass review and keep it healthy for years. That is the part we focus on.
Native iOS engineers
Our iOS team writes Swift every day. So your app uses Apple frameworks the way Apple designed them, without heavy wrappers.
Review-ready from sprint one
We plan privacy labels, permission prompts and sign-in rules early. As a result, App Store review holds fewer surprises.
Secure delivery
We work under SOC 2 Type II, ISO 27001 and ISO 9001 certified processes. Your data and code stay protected.
You own everything
The source code, the designs and the Apple Developer account stay in your name. Even after the project ends, nothing is locked.
Builds you can hold
Each sprint ends with a TestFlight build on your own iPhone. You also get access to the board and the repository.
Ready for every iOS update
We test your app on each new iOS beta and fix issues before your users notice. Then we adopt new features when they help.
Got an app idea or a build that Apple rejected?
Share what you have. In one call, an iOS lead will review it and suggest the next steps.
Process
How Our iPhone App Development Company Works
Every project follows the same six steps. As a result, you always know what we are building, what comes next and why.
- 01
Discovery and scope
We define users, core features and success goals. Then we agree on a phased plan and a clear first release.
- 02
UX and prototype
Next, we design flows and clickable prototypes in Figma. You can test them with real users before we code.
- 03
Architecture
We choose the data model, APIs, cloud setup and third-party SDKs. This keeps the app easy to grow later.
- 04
Build in sprints
We build in two-week sprints. After each one, you get a TestFlight build and a short demo.
- 05
QA and review prep
We test on real iPhones and iPads, fix bugs and prepare screenshots, privacy labels and review notes.
- 06
Launch and grow
We submit the app, watch crash reports and reviews, and plan updates around feedback and new iOS releases.
Engagement
Ways to Work With Our iOS Team
Pick the model that fits your stage. You can also switch models later, for example from a fixed MVP to a dedicated team.
Fixed-scope project
Good fit for: New apps and MVPs with a clear feature list
We agree on scope, milestones and price before work starts. Then we deliver the app in phases you can test.
Discuss this model- Most chosen
Dedicated iOS team
Good fit for: Products with a long roadmap
A full team of designers, iOS and backend engineers, QA and a project lead works only on your product.
Dedicated team model Team extension
Good fit for: In-house teams that need more iOS capacity
Add Swift developers to your own team. They join your standups, tools and code review.
Hire developers
Proof
Apps We Have Shipped to the App Store
These apps show how our iPhone app development company works with product teams on iOS and Android. Each result comes from the published case study.
- Travel
Travel Booking App
An iOS and Android app that brings flights, hotels and local experiences from six live data sources into one booking flow.
4.4 App Store rating
Read the case study - Fintech
Zilch BNPL App
A Buy Now Pay Later app with a clear instalment view, one-tap payments and fast KYC onboarding on iOS and Android.
35% higher conversion rate
Read the case study - Retail and pharmacy
Beauty eCommerce App
A health and beauty shopping app for a US retailer, with prescription flows and links to legacy ERP and pharmacy systems.
68% higher conversion rate
Read the case study
Planning a shopping app for iPhone? See our iOS ecommerce app development page.
Client feedback
What App Clients Say
Verified reviews from Clutch and feedback from SDLC Corp clients, shown as published.
They delivered what they promised, and it is something that is missing nowadays.
Stacey SmithSr. Business Administrator, Insurance Company
Verified review on ClutchMobile App Dev for Insurance Company
They executed this project very well.
Suzanne GraySenior Business Analyst
Verified review on ClutchDAP-based App Development for Insurance Company
They have a great design team, and their work is really professional and clean.
Jerin SinclairFounder, Reviewgent LLC
Verified review on ClutchMobile App Dev for EdTech Company
Industries
iPhone Apps for Every Kind of Business
Each sector brings its own rules, data and user habits. These are the areas where our iPhone app development company works most often. For large staff apps, see our enterprise mobile app development page.
Healthcare and fitness
HealthKit data, secure patient flows and Apple Watch companions, built for HIPAA requirements when needed.
Fintech and banking
Face ID sign-in, Keychain storage, Apple Pay and clear screens for payments and balances.
Retail and ecommerce
Fast catalogs, saved carts, Apple Pay checkout and push alerts for orders and offers.
Travel and hospitality
Bookings, offline tickets, maps and Live Activities that track a trip or a check-in.
Education and e-learning
Courses, quizzes, offline lessons and iPad layouts for classrooms and self-study.
Logistics and field service
Rugged iPad and iPhone apps with offline sync, barcode scanning and live location.
Media and subscriptions
Video, audio and content apps with StoreKit 2 subscriptions and free trials.
Enterprise and internal apps
Staff apps with single sign-on and device management, released through private channels.
Buying guide
Choosing an iPhone App Development Company: Cost and Key Questions
No two apps cost the same, so a fair quote starts with scope. These six factors shape the budget and the timeline. For more detail, read our guides on app budgets by app type and how long an app takes to build.
- 1
Features and screens
First, the number of user flows, roles and screens sets most of the design and build effort.
- 2
Apple features
HealthKit, ARKit, widgets or Apple Watch support each add design, code and device testing.
- 3
Backend and integrations
A new API, an admin panel or links to your CRM or ERP add work beyond the app itself.
- 4
Devices and platforms
iPhone only costs less than iPhone, iPad and Watch. Adding Android adds another build.
- 5
Security and compliance
Health, finance and enterprise apps need extra reviews, logging and data controls.
- 6
Support after launch
Finally, monitoring, new iOS releases and new features form an ongoing budget line.
FAQs
iPhone App Development Company FAQs
Clear answers to what founders and product owners ask us most about tech, timelines, cost and ownership.
Ask Your Own QuestionWhat does an iPhone app development company do?
An iPhone app development company plans, designs, builds, tests and launches apps for iPhone and other Apple devices. At SDLC Corp, that also covers the backend, App Store submission and support after launch. You work with one team from idea to release.
Do you use Swift and SwiftUI or UIKit?
We write new iOS apps in Swift. For new screens we usually choose SwiftUI, because it is fast to build and easy to keep up. We still use UIKit for some complex views and for older apps, and both work well together in one app.
Should I build a native iPhone app or a cross-platform app?
Choose native if your app relies on Apple features such as HealthKit, widgets, Apple Watch or advanced camera work, or if top speed matters. A cross-platform app with Flutter or React Native can suit a simpler app that must launch on iOS and Android together. We help you choose after a short review.
How long does it take to build an iPhone app?
It depends on scope. A focused MVP takes far less time than a full product with a backend, an admin panel and several Apple features. After discovery, we share a phased timeline, and you get TestFlight builds along the way.
How much does iPhone app development cost?
Cost depends on features, Apple frameworks, backend work, devices, compliance needs and support. After a short call, we send a scope and an estimate, so you can see what each phase includes.
Do you handle App Store submission and rejections?
Yes. We prepare the build, screenshots, privacy labels and review notes in App Store Connect, then submit the app. If Apple rejects a build, we read the reason, fix the issue or reply to the review team, and submit again.
Who owns the app code and the App Store account?
You do. The app ships under your own Apple Developer account, and you get the full source code, designs and documents. We can also help you set up the account if you do not have one yet.
Can you build apps for iPad and Apple Watch too?
Yes. We build iPad apps with proper split views and keyboard support, watchOS companion apps, home screen widgets and Live Activities. Many of these can share code with your iPhone app.
How do I choose the right iPhone app development company?
First, look at apps the team has shipped. Then ask who owns the code and the Apple Developer account, and how they handle App Store review and new iOS releases. Also ask for TestFlight builds during the project, so you can judge progress yourself.
What support do you offer after launch?
We monitor crashes and reviews, fix bugs and ship updates. Each year, we also test your app on the new iOS beta, so it is ready when the update reaches your users.
Start with a free estimate
Ready to Work With an iPhone App Development Company That Ships?
Tell us about your app idea or your current app. After one short call, you will get a clear scope, a phased plan and an estimate.
- Free consultation
- NDA on request
- You own the code
Contact Us
Share a few details about your project, and we’ll get back to you soon.
Let's Talk About Your Project
- Free Consultation
- 24/7 Experts Support
- On-Time Delivery
- sales@sdlccorp.com
- +1(510-630-6507)