Founded in
2018
Since 2018, we have delivered 1,200+ products for 650+ clients across 24+ countries. That experience helps us advise honestly on iPhone-first, iPad or cross-platform, before you commit budget.
Have an iPhone app idea or a product that needs a rebuild? Primocys is an iOS app development company in USA that takes you from MVP to App Store launch with native Swift, TestFlight testing, and submission handled. Get a free estimate.
Discuss Your iOS App →Tell us your users and business goals. We recommend the right iOS approach, build a focused MVP with clear milestones, and prepare an App Store launch you stay in control of.
Not sure whether to go iPhone-first or launch on both platforms? We review your users, goals and budget, then define a version one worth launching.
Test working TestFlight builds on your own iPhone, with agreed US meeting windows and written updates, so you always know what was decided and what ships next.
We plan release builds, privacy disclosures and App Store requirements from day one, with a phased scope and a written estimate before you commit. Apple makes the final approval decision.
As an iOS app development company in USA, we design, build and launch our own apps on the App Store. Every roadmap, estimate and release we plan for you comes from that hands-on experience.
2018
Since 2018, we have delivered 1,200+ products for 650+ clients across 24+ countries. That experience helps us advise honestly on iPhone-first, iPad or cross-platform, before you commit budget.
We run our own iOS products, so we handle App Store releases, user feedback and running costs ourselves. That is why our advice on native Swift or Flutter is practical, not theoretical.
One team handles discovery, design, Swift development, testing and App Store launch, so your iPhone idea reaches users as a working product without handoffs between vendors.
From discovery to App Store submission, every phase ends with a documented milestone, a working TestFlight build and a written update, so your US team can review real progress and approve each step.
1,200+ products delivered for 650+ clients in 30+ countries. US startups and businesses choose us for iOS app development services in USA, from MVP to launch.
As an iOS app development company in USA, we take startups and US businesses from MVP scoping and design to Swift engineering and App Store launch, with a written scope and estimate at every stage.
Purpose-built iPhone apps with clear navigation, accessibility and dependable performance for the way US customers use their phones.
You get: a scoped feature plan, TestFlight builds and clean Swift code in your own repository.
Proof: Earnify, our own iPhone finance app, is live on the Apple App Store for iOS users.
Tablet-first workflows for field teams, healthcare staff, operations and customer-facing products, designed for iPad screens, not stretched iPhone layouts.
You get: a universal iPhone and iPad layout plan with every screen adapted to its device size.
Proof: our growth-stage builds ship as universal iPhone and iPad apps with 15–25 custom screens.
Launch a focused first version, learn from real users and expand the roadmap on evidence. Built for US founders who need to validate before they scale.
You get: a validated concept, a prioritized feature list and an itemized estimate before development starts.
Proof: iPhone MVPs typically reach App Store submission in 6–10 weeks, with 5–10 core screens.
Native Swift interfaces, device capabilities and maintainable code. Hire iOS app developers who work directly with your US product team.
You get: a maintainable Swift codebase in your own repository, with architecture notes and a clean handover.
Proof: the iOS engineers you meet in discovery stay with you through build and release, so decisions never get lost between teams.
User journeys, wireframes, prototypes and polished screens aligned with Apple Human Interface Guidelines and tested before development starts.
You get: a clickable Figma prototype and developer-ready iPhone and iPad screens.
Proof: flows are usability-tested before development begins, so rework is caught in design, not in code.
Secure authentication, payments, data synchronization, notifications and existing system connections that keep your iOS app reliable as you grow.
You get: documented Swift code, secure API architecture and a clear list of integrations in scope.
Proof: our iOS stack covers StoreKit, Apple Pay, Sign in with Apple, Firebase, AWS Amplify and CloudKit, so payments and sign-in work the way iPhone users expect.
Release preparation, metadata guidance, build checks and App Store review readiness, so avoidable rejections do not delay your launch.
You get: TestFlight builds, a prepared App Store Connect listing and privacy details ready for submission.
Proof: we handle submission and respond to review feedback; final approval always stays with Apple.
Compatibility updates, performance improvements, bug fixes and careful feature evolution for live apps, including apps built by other teams.
You get: a code audit before any quote, then upgrades applied in stages.
Proof: Earnify kept improving after launch with tax updates, Spanish support and iOS updates across App Store releases.
Secure iOS apps for regulated US industries, with privacy, data handling and payment flows planned early instead of patched in after launch.
You get: a compliance-aware architecture plan covering data storage, authentication and payment flows.
Proof: enterprise iOS builds are designed around HIPAA, PCI-DSS and GDPR requirements from the first sprint.
Five apps across fintech, income tracking, AI storytelling, dating and fitness, shipped by one team. Each card shows the stack we used.
A focused iOS MVP typically takes 6–10 weeks to reach App Store submission, and 8–16 weeks in total when design, integrations and review buffer are included. Larger products with multiple user roles, extensive integrations or compliance requirements take longer. These are planning ranges, not delivery promises.
| Project shape | Typical timeline | How we plan it | What adds complexity |
|---|---|---|---|
| Focused MVP | 8–16 weeks | One core user journey, one release | Custom integrations, multi-step onboarding |
| Growing product | 3–5 months | Features staged across releases | Payments, subscriptions, dashboards |
| Enterprise or regulated app | 6+ months, scoped after discovery | Discovery and security review first | Legacy systems, audit needs, approvals |
Budget is shaped by design depth, backend work, third-party services, QA, data migration and post-launch support. We prefer a scoped, itemized estimate over an attractive but unreliable one-size-fits-all price. See the full timeline guide.
We start with the user problem, not a long feature wishlist, so your first iOS release is focused, testable and built around what users need first.
We narrow your first release to the core action users need: onboarding, one key workflow, payments if needed and a simple admin view. You get a TestFlight build to test with real users, typically within 6–10 weeks.
We map how the iOS app fits your existing systems, security needs and support teams, then deliver a phased plan covering integrations, SSO, data handling and rollout, so the app works inside your operations from day one.
Our team works with US stakeholders through scheduled review calls, written updates and milestone-based feedback. Our own apps, including Earnify, went through the same process before reaching the App Store.
We recommend based on your product, not our convenience. Here is how we think about native Swift versus Flutter for iPhone-first launches.
Your app relies on Apple-specific APIs such as HealthKit, widgets or Face ID, custom animations or platform-tuned performance. Native Swift gives iPhone users the smoothest experience and a long-lasting codebase.
You want iOS and Android launches with largely shared user flows, and one cross-platform codebase fits your budget. Flutter can reduce build effort and speed up your launch, with native integrations where needed.
We choose proven Apple technologies that keep your app fast, secure and easy to maintain, then match them to your goals, budget and growth plans. You get a written stack recommendation before development begins.
Smooth performance and full access to Apple features.
Payments, health data, widgets and sync that feel native on iPhone.
Considered when budget or Android reach matters as much as iOS polish.
Secure APIs and sign-in that scale as your user base grows.
With our iOS app development services, every phase has a clear output, a review point and an agreed next step, so US teams always know what is happening and what ships next.
Our iOS app development services in USA cover healthcare, fintech, SaaS and more, from HealthKit and Apple Pay to secure, scalable iPhone apps. Share your idea and get a free, scoped estimate.
Our iOS app development services in USA start with discovery, then an itemized estimate covering scope, milestones and exclusions. Share your idea and know your cost before development begins.
User roles, core screens, workflows and custom logic shape the effort. A focused iPhone MVP costs far less than a multi-role platform, so we separate must-haves from later features.
Backend architecture, Apple Pay, StoreKit, Sign in with Apple, push notifications and real-time features each add development and testing work. We list every integration in your estimate.
iPhone and iPad coverage, accessibility, TestFlight, App Store submission and yearly iOS updates matter well beyond the first build, so we plan them into your budget upfront.
For US startups, a focused iOS MVP typically takes 6–10 weeks to reach App Store submission, and 8–16 weeks when design, integrations and review buffer are included. Apps with multiple user roles, Apple Pay or regulated data can take several months. Apple controls App Store review time, so we plan buffer for it.
Want a deeper look at phases and durations? Read our app development timeline guide.
Looking for an iOS app development company in USA that startups and product teams can trust? We combine Apple-first engineering, honest advice and a written plan. Share your idea and get a free iOS app estimate.
Book a Free iOS ConsultationOur iOS app development services in USA are built on Swift and SwiftUI, so your app feels smooth on iPhone, stays easy to maintain and uses Apple features like Face ID, widgets and notifications where your product needs them. You own the code in your own repository.
Screens follow Apple’s Human Interface Guidelines, which means familiar navigation, readable layouts and accessibility from the start. Our mobile app design team validates key flows before development begins.
Signing, TestFlight builds, privacy disclosures, screenshots and review preparation are part of the plan, not an afterthought. Apple makes the final approval decision, and we help you meet its requirements the first time.
Launching an iOS app for a US startup is about learning fast. We scope a focused first release around one core action, so you can test with real users before investing in a larger roadmap. Our own apps, including Earnify, started the same way.
Need a complete build, or extra capacity for your in-house team? You can hire iOS app developers as a scoped project or as an extension of your team, with milestones and review checkpoints agreed upfront.
Apple updates iOS every year, and your app needs to keep up. Our mobile app maintenance services cover compatibility updates, bug fixes and performance improvements, so your app stays stable as your user base grows.
Get clear answers on iOS app cost, timelines, Swift vs Flutter, App Store launch, code ownership and support before you commit to a build.
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