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iOS app development

Ship on iOS without a review surprise.

Most iOS delays are not engineering problems. They are an account-deletion flow nobody built, a purpose string nobody wrote, or payments routed the way Apple does not allow. We design around the guidelines from day one.

How a project runs
  • Your developer account
  • TestFlight from sprint one
  • Privacy manifest done
  • Phased release
Start here

Four kinds of iOS project

The guidelines that matter change completely depending on who the app is for.

Apps with sign-up, payments or user content, where App Store policy โ€” not engineering โ€” is the thing most likely to delay a launch.

  • Sign in with Apple where required
  • In-app purchase rules
  • Privacy nutrition labels
  • Account deletion flow
What we build

Six things an iOS build is judged on

Three by your users, three by a reviewer you will never speak to.

Swift and SwiftUI

A current Swift codebase with SwiftUI where it fits and UIKit where it is still the right tool โ€” not a religious choice.

  • Swift Concurrency
  • SwiftUI + UIKit interop
  • Modularised targets

Privacy by construction

Permission prompts asked at the moment they make sense, privacy manifests filled in honestly, and data the app simply never collects.

  • Purpose strings that explain
  • Privacy manifest and tracking
  • Data minimisation by default

Device security

Secrets in Keychain, sensitive screens behind biometrics, and transport pinned where the threat model calls for it.

  • Keychain / Secure Enclave
  • Face ID and Touch ID
  • Certificate pinning

Payments and subscriptions

StoreKit 2 for digital goods with restore, upgrade and refund paths that pass review โ€” and server validation you own.

  • StoreKit 2 subscriptions
  • Server-side receipt validation
  • Restore and family sharing

Notifications and background

Push with the permission flow designed, plus background refresh that respects what iOS actually allows.

  • APNs with provisional auth
  • Rich and silent pushes
  • BGTaskScheduler work

Release engineering

Signed builds through TestFlight, phased releases and the metadata work that stops a submission bouncing.

  • TestFlight groups
  • Phased release
  • Review-ready metadata
From build to the store

The submission path, step by step

Apple owns the review clock. Everything before and after it is ours to get right.

Engineers reviewing an app build together
  1. Stage 01

    Prepare

    Bundle IDs, capabilities, privacy manifest and purpose strings agreed before the first upload.

  2. Stage 02

    TestFlight

    Internal testers first, then external groups with the exact build you intend to ship.

  3. Stage 03

    Submit

    Metadata, screenshots, demo account and reviewer notes that answer the obvious questions.

  4. Stage 04

    Review

    Apple reviews on their own clock; rejections come back with a reason we address rather than argue.

  5. Stage 05

    Phased release

    Roll out over days with crash monitoring, and the ability to pause before everyone updates.

How a project runs

Four steps, written down

You always know what happens next, what it costs and when you'll hold a TestFlight build.

  1. 01

    Product review

    A free 30-minute call with a senior engineer. We look at the features that touch App Store policy before anything else.

  2. 02

    Fixed-scope proposal

    Screens, capabilities, devices, timeline and cost in writing within 5 business days.

  3. 03

    Build in the open

    A TestFlight build every week, on your own developer account, from the first sprint.

  4. 04

    Submit and support

    We handle submission and phased release, then stay on for the next version.

Ways to work together

Pick what fits where you are

How we workFixed-scope buildRecommendedDedicated teamRescue a rejected or stalled app
Best whenFeatures and integrations are settled.The product is still finding its shape.Submissions keep bouncing or releases stalled.
You getScope, device list and a fixed price before work starts.A named team, weekly TestFlight builds, re-planning each sprint.A rejection analysis, a risk list, then fixes in order.
In one lineA defined app with a written scope, timeline and price.Senior engineers as an extension of your team, month to month.A review of the codebase, the submission history and the rejection reasons, then a plan to ship.
FAQ

Questions about iOS projects

Still unsure? Ask us directly โ€” a senior engineer replies within one business day.

Swift or React Native for iOS?

Swift when the app leans on platform capabilities โ€” widgets, Live Activities, HealthKit, deep background work, tight performance โ€” or when iOS is the primary product. Cross-platform is a reasonable answer when the app is mostly screens over an API and you need Android too; we will say which case you are in.

Will you publish under our Apple Developer account?

Yes, and we recommend it. The account, the app record and the signing certificates stay yours; we work as members of your team, so you are never locked to us.

How long does App Store review take?

Apple controls that and it varies. What we control is the submission: capabilities, privacy manifest, purpose strings, demo account and reviewer notes prepared so the common rejection reasons do not apply.

What usually causes rejections?

In our experience: missing account deletion, sign-in options that break the guidelines, payments routed outside in-app purchase where Apple requires it, vague permission strings, and crashes on the reviewer's device. We check all of these before submitting.

Can you build the Apple Watch or iPad version too?

Yes โ€” a watchOS companion, iPad layouts, widgets and Live Activities over the same data layer, so a change lands everywhere instead of being re-implemented.

Do you support enterprise or internal distribution?

Yes. Apple Business Manager custom apps and MDM-managed distribution for apps that should never appear in public search, with managed configuration where IT needs it.

Tell us what your last rejection said.

A free 30-minute review with a senior engineer โ€” guidelines, architecture and release, with no sales pitch.

See our work
Softwares Tech

Start a conversation

Tell us what you're building.
We'll tell you how we'd build it.

Share your idea, your half-built product or the system that's slowing you down. A senior engineer will reply with honest next steps โ€” no sales pitch.

A senior engineer replies

Within one business day โ€” the person who would actually scope your project.

NDA before any tech talk

Every engagement starts with a signed NDA, so you can share details freely.

Free 30-minute architecture review

We listen, ask the questions that matter, and tell you honestly how we'd approach it.

Written proposal in 5 business days

Scope, timeline and cost in writing โ€” before you commit to anything.

Senior

Engineers on Every Build

NDA

Signed Before Discovery

Full IP

Ownership Transferred

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Tell us a little about your project โ€” a senior engineer will reply within one business day.

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