iOS App Development Company In Canada
Sidekick Interactive is a Montreal-based iOS app development company. We design and develop native iOS apps for startups, SMEs and enterprises across North America, with clear timelines, controlled budgets and a strong focus on long-term product success.
Trusted By Market Leaders Throughout North America
We build iOS apps for MedTech and healthcare, IoT and connected devices, EV charging, 3D scanning and immersive experiences, manufacturing, construction, aerospace, music and SaaS platforms.Â
Our iOS App Development Services
We provide complete iOS application development services, from product strategy and UX through native development, App Store launch and long term evolution.
Whether you are validating a first iOS MVP or scaling a connected platform, you work with one senior team from the first workshop to the version you ship two years from now.
Custom iOS App Development
Custom iOS app development means building around your business logic, your hardware and your users, rather than around a template.  We architect the app, the backend and API integrations behind it, and everything that connects it to the systems you already run.Â
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Our custom iOS app development services cover the full Apple toolkit: Apple Pay and in-app purchases, HealthKit, CloudKit, SiriKit, HomeKit, WidgetKit, APNs push notifications, Core Bluetooth and BLE for connected devices, and ARKit for AR app development and immersive experiences.Â
Native iOS Development In Swift And SwiftUI
We build native. Swift app development and SwiftUI development. We give you full access to the iOS SDK, the performance an Apple user expects, and support for every new iOS release as it lands. Our stack covers Swift, SwiftUI, UIKit, Objective-C for legacy codebases, and Xcode, targeting:
iPhone
iPad
iMac
iWatch
Vision
We choose platforms and development tools based on the realities of each project and the technology already in place.
When a roadmap covers Android as well, we plan both tracks from the start instead of retrofitting one onto the other.
App Store Deployment And Maintenance
Launch day is a milestone, not a finish line. We handle App Store submission and App Store Connect setup, and we know the App Store Review Guidelines well enough to protect your launch date. Privacy labels, App Tracking Transparency, in app purchase rules: these are the details that turn a planned Friday release into a 3 week delay.
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After launch, App Store maintenance keeps the app healthy. Apple ships a major iOS version every year, bringing SDK updates, deprecated APIs, new devices and new privacy requirements. Our maintenance plans cover app monitoring, bug fixes, performance optimization and continuous app evolution.
MVP App Development For Startups
An iOS MVP should prove one thing properly rather than ten things approximately. We help startups define the smallest version that validates the product, then build it on an architecture that will not need rewriting when the next round closes. MVP app development follows the same path as every project here: discovery, clickable prototype, native Swift build, analytics, CI/CD and a TestFlight release.
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A basic iOS MVP typically falls in the $25,000 to $50,000 range, which makes it an effective way to validate an idea with the features that matter.
Create The Perfect Custom App
Our iOS Mobile App Development Process
Six steps, from idea to App Store launch.
Every project runs the same way, whether it is a MVP or a multi year connected platform.
Step 1: iOS Product & Technical Alignment
Technical discovery comes before estimates. We work through your business objectives, your users, and the constraints specific to Apple, including target iOS versions, device coverage, App Store requirements, and any hardware or third party system the app has to communicate with.
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iOS product alignment turns a broad brief into a focused roadmap with epics, user flows, clear acceptance criteria, and a documented list of the technical risks worth planning around. Discovery and design typically take about one month.
Step 2: Architecture & Scalability Planning
We design the app architecture, the backend structure and API integrations, and the data model before writing feature code.
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Scalability planning at this stage is what allows you to add users, devices or entire modules two years later without a rewrite. It is unglamorous work, and it is the difference between an app that grows with your business and one that gets replaced.
Step 3: UX Designed For Real Usage
We design user experiences for the conditions your app will actually meet. iOS UX for real usage means one handed on a job site, gloved in a clinic, outdoors in direct sunlight, or offline in an underground parking garage.
Scalable iOS app UX design follows Apple’s Human Interface Guidelines so the app feels native from the first tap. Every flow is validated on a clickable prototype before a single feature is built, because interfaces that guide users naturally improve both adoption and retention.
Step 4: Native iOS Development In Swift And SwiftUI
Development runs in sprints, with code review on every merge and a testable build at the end of each one. Swift and SwiftUI for new work, UIKit where it earns its place, and CI/CD from the first week.
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Through regular touchpoints, agile reporting and transparent communication, you stay informed about every milestone and decision. You see working software throughout the project rather than a reveal at the end. The development phase generally runs one to three months depending on complexity.
Step 5: Testing In Real Conditions
The simulator is not a test plan. We test on real iPhones and iPads, across device generations and iOS versions, under degraded network conditions and genuine usage patterns.
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Where hardware is involved, we test against the hardware. Internal QA comes first, then a TestFlight beta with your team and pilot users before anything reaches the public. Quality assurance and deployment typically take about one month.
Step 6: App Store Launch, Monitoring & Evolution
We handle App Store submission and take the app through review. Then we deploy app monitoring, including crash reporting, performance metrics and adoption analytics, so that decisions about what to build next come from evidence rather than opinion.
App evolution continues on a predictable cadence, aligned with each new iOS release.
Our Expertise
Why Choose Sidekick Interactive As Your iOS App Development Company​
You work with senior iOS experts based in Montreal. Our team blends technical expertise, design sensibility and product thinking, which means the person shaping your architecture is the same person who understands why a feature matters to your users.
Results
Companies come to us when the hard part is not the interface.
Our iOS work concentrates on projects where the app has to communicate with physical hardware, handle regulated data, or process 3D in real time.
Sucess Stories
Awards and Recognition
Clients choose Sidekick Interactive as their iOS app development company because we pair native Swift engineering with hardware and integration expertise, clear timelines, and controlled budgets. It’s why we’re recognized among the top iOS app developers in Canada on Clutch, DesignRush, and GoodFirms.
Already Have A Team? Hire Dedicated iOS Developers
Sometimes you do not need an agency. You need two senior Swift developers starting Monday.
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Talent Sidekick gives you access to pre-screened iOS developers who join your existing team, work in your tools and follow your process. Every developer is vetted by our own technical leads, people who ship mobile apps rather than recruiters reading résumés.
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It sits between managing a freelancer yourself and committing to a full project engagement. Clients use it to cover a leave of absence, add iOS capacity to an Android heavy team, or bring native Swift expertise to a product built by web developers.
Frequently Asked Questions
What Platforms And Technologies Do You Support For iOS?
We develop natively in Swift, SwiftUI, UIKit and Objective C using Xcode, targeting iPhone, iPad, Apple Watch, Mac and Apple Vision Pro. We integrate Apple Pay, HealthKit, CloudKit, SiriKit, HomeKit, ARKit, WidgetKit, Core Bluetooth and push notifications, alongside the backends, hardware and third party APIs your app depends on.
How Much Does It Cost To Develop An iOS App?
A basic iOS MVP typically falls between $25,000 and $50,000. A fully developed, production ready iOS application usually starts around $50,000 to $100,000 or more. Cost rises with payment processing, real time data synchronization, third party APIs, Bluetooth or hardware integration, and custom backend systems.
How Long Does It Take To Build An iOS App?
Most iOS projects take between three and six months. Discovery, design and product alignment take about one month. Development runs one to three months depending on complexity. Quality assurance and deployment take about one month. Simple prototypes ship faster, while connected platforms involving BLE or hardware require longer cycles.
What Happens To My iOS App After Launch?
Apple ships a major iOS release every year, and App Store requirements change with it. We handle SDK updates, deprecated API fixes, crash monitoring, support for new devices and screen sizes, and ongoing feature evolution. Most clients move to a monthly maintenance plan once their app is live.
Which Industries Do You Develop iOS Applications For?
We build native iOS apps for healthcare and MedTech, IoT and connected devices, EV charging, 3D scanning and AR, manufacturing, construction, aerospace, music, GIS and SaaS. Since 2017 we have also supported academic and applied research projects, which come with their own ethical and compliance constraints.
Why Do Enterprise Companies Choose Sidekick For iOS Development?
Enterprise organizations partner with us for proven technical expertise, reliability in complex environments, and a long term collaboration approach. We build secure, scalable native iOS applications that integrate with existing enterprise systems while meeting strict IT policies, security standards and data governance requirements.
Why Do SME Companies Choose Sidekick For iOS Development?
SMEs work with us because we combine strong technical expertise with strategic product thinking, which helps them streamline operations, improve user experience and drive measurable results. From MVP strategy to full product launch, we balance speed, budget and quality without adding unnecessary complexity.
Why Do Startups Choose Sidekick For iOS Development?
Startups choose us because we think like entrepreneurs. We help turn an idea into a functional, market ready iOS app, focusing on MVP strategy, product-market fit and scalable growth. The architecture is built so the next twenty features do not require a rewrite. See our work with startups.
Native vs Cross-Platform: How To Choose For Your iOS App?
Native iOS gives you full access to the Apple SDK, the best available performance, and same day support for each new iOS release, which matters for apps involving hardware, Bluetooth, AR or regulated data. Cross-platform can be the right call when both platforms must ship simultaneously on a constrained budget.
Should I Hire An iOS App Development Company Or A Freelancer?
A freelancer works well for a small, clearly defined app when you can manage the project yourself. An iOS app development company gives you design, development, QA, backend and App Store expertise in one place, plus continuity when someone moves on. For an app that is core to your business, the agency route usually costs less over three years.